CN105226497B - A kind of heavy caliber crystal double frequency conversion equipment of controllable crystal temperature effect - Google Patents

Abstract

The invention discloses a large-aperture crystal frequency multiplication conversion device capable of regulating crystal temperature, which relates to a large-aperture crystal frequency multiplication conversion device. The purpose of the invention is to solve the problem that the existing device cannot heat the large-diameter crystal and maintain relatively high crystal surface temperature uniformity. Both the first cylinder and the second cylinder are double-layer square cylinders, one end of the first cylinder is provided with a front end cover, the first cylinder and the second cylinder are detachably connected, and the other end of the second cylinder is There is a rear end cover, the first water inlet groove and the first return water groove on the outer surface of the first inner cylinder are arranged side by side along the length direction of the first inner cylinder, and a plurality of first water dividing grooves are arranged on the first water inlet groove and the first return water groove. Between the water tanks, one end of each first water dividing tank communicates with the first water inlet tank and the other end surrounds the first inner cylinder and communicates with the first water return tank. The constant temperature water tank is connected. The invention is used to realize the frequency doubling conversion of high flux and large aperture laser.

Description

A large-aperture crystal frequency multiplication conversion device with adjustable crystal temperature

technical field

The invention specifically relates to a large-diameter crystal frequency multiplication conversion device capable of regulating the temperature of the crystal.

Background technique

Contents of the invention

The invention provides a large-diameter crystal frequency doubling conversion device capable of regulating crystal temperature, in order to solve the problem that the existing device cannot heat the large-diameter crystal and maintain relatively high surface uniformity.

The technical scheme that the present invention takes for solving the problems of the technologies described above is:

A large-diameter crystal frequency multiplication conversion device that can regulate the temperature of the crystal, which includes a housing, a large-diameter crystal frequency multiplication mechanism, two sets of water inlet and outlet pipeline assemblies and a constant temperature water tank. The housing includes a first cylinder, a second Cylinder body, front end cover and rear end cover, one end of the first cylinder body is provided with a front end cover, the other end of the first cylinder body is detachably connected to one end of the second cylinder body, and the other end of the second cylinder body A rear end cover is provided, and the large-diameter crystal frequency doubling mechanism is arranged between the first cylinder and the second cylinder, the first cylinder and the second cylinder are both double-layered square cylinders with the same structure, The first cylinder includes a first outer cylinder and a first inner cylinder, the first inner cylinder is embedded in the first outer cylinder, and a first water inlet groove and a first water return groove are processed on the outer surface of the first inner cylinder and multiple first water dividing tanks, the first water inlet tank and the first water return tank are arranged side by side along the length direction of the first inner cylinder, and the multiple first water dividing tanks are arranged side by side between the first water inlet tank and the first water return tank One end of each first water dividing groove is connected with the first water inlet groove and the other end is connected with the first water return groove after surrounding the first inner cylinder once, and the first outer cylinder is processed with the first water inlet groove corresponding to the first water inlet groove A water inlet hole, a first water return hole is processed on the first outer cylinder corresponding to the first water return tank, the first cylinder communicates with the constant temperature water tank through a set of water inlet and outlet pipeline assemblies, and the second cylinder It communicates with the constant temperature water tank through another group of water inlet and outlet pipeline assemblies.

Beneficial effects of the present invention:

The present invention realizes the constant temperature in the first cylinder and the second cylinder in the casing through the setting of the constant temperature water tank and two sets of water inlet and outlet pipeline assemblies, which is the frequency doubling of the large-diameter crystal between the first cylinder and the second cylinder The mechanism provides a constant temperature, and the temperature is usually controlled between 10°C and 40°C. The invention is flexible in adjustment. By adjusting the constant temperature water tank, the crystal can be at any constant temperature required by the test. At the same time, the setting of the shell can not only ensure the temperature required by the crystal It can also pass through large-diameter laser beams. The invention has high control precision, and the surface uniformity of the surface temperature of the large-sized crystal is within 0.6°C, realizing high-precision temperature control of the large-diameter frequency-doubling crystal, ensuring the frequency-doubling conversion efficiency of the large-diameter frequency doubling crystal, and the invention is safe and reliable in operation .

Description of drawings

Fig. 1 is a structural schematic diagram of the connection relationship between the housing 1, two groups of water inlet and outlet pipeline assemblies 3 and the constant temperature water tank 13 in the present invention,

FIG. 2 is a schematic diagram of a three-dimensional structure of the housing 1,

FIG. 3 is a front structural schematic view of the housing 1,

Fig. 4 is a cross-sectional view at A-A in Fig. 3,

Fig. 5 is a sectional view at B-B place in Fig. 4,

FIG. 6 is a schematic diagram of the three-dimensional structure of the large-aperture crystal frequency doubling mechanism 2,

Fig. 7 is a cross-sectional view of the front structure of the front end cover 7,

Fig. 8 is a schematic diagram of the distribution of the first water inlet tank 5-2-1, the first water return tank 5-2-2 and the multiple first water dividing tanks 5-2-3 on the upper surface of the first inner cylinder 5-2.

Detailed ways

Specific Embodiment 1: This embodiment is described in conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7 and Fig. 8. This embodiment includes a housing 1, a large-diameter crystal frequency doubling mechanism 2, Two sets of water inlet and outlet pipeline assemblies 3 and a constant temperature water tank 13. The housing 1 includes a first cylinder body 5, a second cylinder body 6, a front end cover 7 and a rear end cover 8. One end of the first cylinder body 5 is provided with a front end Cover 7, the other end of the first cylinder 5 is detachably connected to one end of the second cylinder 6, the other end of the second cylinder 6 is provided with a rear end cover 8, and the large-diameter crystal frequency doubling mechanism 2 is arranged between the first cylinder 5 and the second cylinder 6, the first cylinder 5 and the second cylinder 6 are both double-layered square cylinders with the same structure, the first cylinder 5 includes the first An outer cylinder 5-1 and a first inner cylinder 5-2, the first inner cylinder 5-2 is embedded in the first outer cylinder 5-1, the outer surface of the first inner cylinder 5-2 is processed with the first The water inlet tank 5-2-1, the first water return tank 5-2-2 and a plurality of first water distribution tanks 5-2-3, the first water inlet tank 5-2-1 and the first water return tank 5-2- 2 Arranged side by side along the length direction of the first inner cylinder 5-2, and a plurality of first water dividing tanks 5-2-3 are arranged side by side between the first water inlet tank 5-2-1 and the first water return tank 5-2-2 , one end of each first water dividing tank 5-2-3 communicates with the first water inlet tank 5-2-1 and its other end circles around the first inner cylinder 5-2 and connects with the first water return tank 5-2-2 connected, the first outer cylinder 5-1 is processed with a first water inlet hole 5-1-1 corresponding to the first water inlet tank 5-2-1, and the first outer cylinder 5-1 corresponds to the first water return tank 5 -2-2 is processed with a first water return hole 5-1-2, the first cylinder body 5 communicates with the constant temperature water tank 13 through a set of water inlet and outlet pipeline assemblies 3, and the second cylinder body 6 passes through another One set of water inlet and outlet pipeline assemblies 3 communicates with the constant temperature water tank 13 .

In the present invention, the first cylindrical body 5 and the second cylindrical body 6 have the same structure, that is, the second cylindrical body 6 includes a second outer cylinder and a second inner cylinder, and the second inner cylinder is embedded in the second outer cylinder. A second water inlet groove, a second water return groove and a plurality of second water channels are processed on the outer surface of the second inner cylinder, the second water inlet groove and the second water return groove are arranged side by side along the length direction of the second inner cylinder, and the plurality of first water return grooves are arranged side by side along the length direction of the second inner cylinder. The two water channels are arranged side by side between the second water inlet tank and the second water return tank. One end of each second water channel communicates with the second water inlet tank, and the other end of each second water channel communicates with the second water return tank after wrapping around the second inner cylinder. A second water inlet hole is processed on the second outer cylinder corresponding to the second water inlet groove, and a second water return hole is processed on the second outer cylinder corresponding to the second water return groove; the second water inlet hole and the second return The water holes communicate with the two ends of the other group of water inlet and outlet pipeline assemblies in the two groups of water inlet and outlet pipeline assemblies respectively.

The patent No. CN201310156653.4 has disclosed the structure of the large-diameter crystal frequency doubling mechanism 2 in the present invention, and its structure is the same as that of a frequency mixing crystal four-dimensional high-precision adjustment mechanism. The large-diameter crystal frequency doubling mechanism 2 includes a frequency doubling box and a frequency mixing mechanism, and the frequency mixing mechanism is arranged in the frequency doubling box,

The frequency mixing mechanism includes a pitch attitude adjustment mechanism, a pitch adjustment frame, a yaw attitude adjustment mechanism, a yaw angle adjustment frame, a frequency mixing crystal assembly, a frequency mixing polarization state adjustment mechanism, a frequency mixing translation adjustment mechanism, a frequency mixing gap adjustment base Seat, polarization state adjustment frame and frequency mixing pitch adjustment frame, the lower end of the yaw angle adjustment frame can be rotatably arranged in the pitch adjustment frame, the side wall of the frequency mixing pitch adjustment frame can be rotatably arranged in the side wall lower part of the pitch adjustment frame, and the polarization The state adjustment frame is embedded on the end face of the yaw angle adjustment frame, the mixing gap adjustment base is set under the mixing pitch adjustment frame, and a mixing translation adjustment is set between the mixing gap adjustment base and the mixing pitch adjustment frame mechanism, the polarization state adjustment mechanism is arranged on the polarization state adjustment frame;

The pitch attitude adjustment mechanism includes a pitch drive assembly and a pitch drive detection length gauge, the pitch drive assembly is arranged on the upper end of the pitch adjustment frame, and the pitch drive detection length gauge is arranged on the side wall of the pitch adjustment frame,

The yaw attitude adjustment mechanism includes a yaw drive assembly and a yaw drive detection length gauge, both of which are arranged at the lower part of a side wall of the yaw angle adjustment frame, and the yaw drive detection length gauge The length gauge is located above the yaw drive assembly,

The frequency mixing crystal assembly includes a frequency mixing crystal, a frequency mixing crystal frame and a plurality of frequency mixing crystal locking mechanisms, the frequency mixing crystal frame is connected with the polarization adjustment frame, the frequency mixing crystal is embedded on the frequency mixing crystal frame, and the frequency mixing crystal The four corners of the frame and the polarization state adjusting frame are respectively connected by a frequency mixing crystal locking mechanism.

In the present invention, the number of the first water distribution tank 5-2-3 is 6 to 8, and the first water inlet tank 5-2-1 and the first water return tank 5-2-2 are provided on the first inner cylinder 5-2 On one end face of the first inner cylinder 5-2-3, one end of each first water dividing tank 5-2-3 communicates with the first water inlet tank 5-2-1, and the other end crosses the other three end faces of the first inner cylinder 5-2 and connects with the first back The water tanks 5-2-2 are connected, and a plurality of first water distribution tanks 5-2-3 are equidistantly arranged between the first water inlet tank 5-2-1 and the first water return tank 5-2-2, and the first water inlet tank The shape of 5-2-1 is a bar-shaped tank with one end wide and the other end relatively narrow relative to one end. The first return tank 5-2-2 has the same shape as the first water inlet tank 5-2-1. When the first water return groove 5-2-2 and the first water inlet groove 5-2-1 are respectively processed on one end surface of an inner cylinder 5-2, the first water return groove 5-2-2 and the first water inlet groove 5-2 2-1 are arranged side by side, the wide end of the first water return tank 5-2-2 is on the same side as the narrow end of the first water inlet tank 5-2-1, and the narrow end of the first water return tank 5-2-2 is on the same side as the first water inlet tank The wide ends of 5-2-1 are on the same side, so the first water inlet tank 5-2-1 can better provide water intake for multiple first water distribution tanks 5-2-3, and the first water return tank 5-2- 2. The return water flowing out from the first multiple water distribution tanks 5-2-3 can be better transported out. The model of constant temperature water tank among the present invention is the HRS024-W-20 that is SMC company.

Specific embodiment two: This embodiment is described in conjunction with FIG. 1. In this embodiment, the water inlet and outlet pipeline assembly 3 includes a water inlet pipe 9, a water inlet pipe joint 10, a return water pipe 11 and a return water pipe joint 12. On the constant temperature water tank 13 A water tank inlet pipe 13-1 and a water tank outlet pipe 13-2 are provided, the first water inlet hole 5-1-1 communicates with one end of the water inlet pipe 9, and the other end of the water inlet pipe 9 passes through the water inlet pipe The joint 10 communicates with the water tank outlet pipe 13-1 of the constant temperature water tank 13; the first return hole 5-1-2 communicates with one end of the return pipe 11, and the other end of the return pipe 11 passes through the return pipe Joint 12 communicates with the water tank inlet pipe 13-2 of constant temperature water tank 13. Components not mentioned in this embodiment are the same in structure and connection relationship as in Embodiment 1.

Specific Embodiment Three: This embodiment is described in conjunction with FIG. 5. In this embodiment, the inner wall of the first outer cylinder 5-1 is plane or processed with the first water inlet tank 5-2-1, the first return water tank 5-2- 2 The first corresponding water inlet tank, the first corresponding return tank and the multiple first corresponding water dividing tanks corresponding to the multiple first water dividing tanks 5-2-3, when the inner wall of the first outer cylinder 5-1 is a plane, The first outer cylinder 5-1 is closely attached to the first inner cylinder 5-2; when the inner wall of the first outer cylinder 5-1 is processed with a first corresponding water inlet groove, a first corresponding return water groove and a plurality of first corresponding When dividing the water tank, the first corresponding water inlet tank is closely attached to the first water inlet tank 5-2-1 to form the first water inlet pipe, and the first corresponding water return tank is closely attached to the first water return tank 5-2-2 to form the first water inlet pipe. In the return water pipe, the first corresponding water diversion tank and its corresponding first water diversion tank 5-2-3 are closely attached to form the first water diversion pipe.

In this embodiment, when the inner wall of the first outer cylinder 5-1 is a plane, it is easy to process and connect with the first inner cylinder 5-2, through the first outer cylinder 5-1 and the first inner cylinder 5-2 close to each other, so that the first water inlet tank 5-2-1, the first return water tank 5-2-2 and multiple first water distribution tanks 5-2-3 on the first inner cylinder 5-2 can form a closed pipeline, Ensure the normal flow of water to provide a suitable temperature for the large-diameter crystal frequency doubling mechanism 2 without water leakage. When the inner wall of the first outer cylinder 5-1 is processed with a first corresponding water inlet groove 5-1-3, a first corresponding return water groove 5-1-4 and a plurality of first corresponding water dividing grooves 5-1-5, the When closely attached to the first inner cylinder 5-2, the cross-sectional area of the first water inlet pipe, the first return water pipe and multiple first water diversion pipes can be effectively increased, the flow of water in and out can be increased, and the shell The heating time of the body 1 is short and the constant temperature effect is more uniform and lasting. Components not mentioned in this embodiment are the same in structure and connection relationship as those in Embodiments 1 and 2.

Embodiment 4: This embodiment is described in conjunction with FIG. 7. The front end cover 7 in this embodiment includes a connecting flange 16, a sealing ring 17, a fixing flange 18, a rubber ring 19 and a window 20. The connecting flange One side of 16 is detachably connected with a fixed flange 18, the window 20 is obliquely arranged between the connecting flange 16 and the fixed flange 18, and a sealing ring is arranged between the window 20 and the connecting flange 16 17. A rubber ring 19 is provided between the window 20 and the fixing flange 18. In this embodiment, the front end cover 7 and the rear end cover 8 have the same structure. The front end cover 7 provided in this way can conveniently observe the working state of the large-diameter crystal frequency doubling mechanism 2 inside the housing 1, and also has good sealing performance. The front cover 7 is also equipped with aviation plugs, which can ensure the input and output of electricity and signals without affecting the cooling effect. Components not mentioned in this embodiment are the same in structure and connection relationship as in Embodiment 3.

Embodiment 5: This embodiment is described in conjunction with FIG. 7. The large-diameter crystal frequency multiplication conversion device that can regulate the temperature of the crystal described in this embodiment also includes a spherical sealing ring 14 and a sealing end cover 15. The second cylinder The outlet of the detachable crystal frame device is processed outside the body 6 , the sealing end cap 15 is arranged at the outlet of the detachable crystal frame device, and the spherical sealing ring 14 is arranged between the outlet of the detachable crystal frame device and the sealing end cap 15 . Components not mentioned in this embodiment are the same in structure and connection relationship as in Embodiment 4.

The working process of the present invention is described in conjunction with specific embodiments 1 to 5: first, the first water inlet tank 5-2-1, the first water return tank 5-2-2 and multiple After the first water dividing tank 5-2-3, the first inner cylinder 5-2 and the first outer cylinder 5-1 are assembled to form the first cylinder body 5, and the second cylinder body 6 is assembled similarly, and then the second cylinder body 6 is assembled. After the first cylinder 5 and the second cylinder 6 are assembled to form the housing 1, the large-diameter crystal frequency doubling mechanism 2 is installed in the housing 1, and then the first water inlet 5-1-1 and the first The water hole 5-1-2 passes through the water inlet and outlet pipeline assembly 3 and the constant temperature water tank 13. When the constant temperature water tank 13 starts to work, the wall of the shell 1 will generate a constant temperature through the constant temperature water flow, and at the same time make the large diameter inside the shell 1 The crystal frequency doubling mechanism 2 performs frequency doubling conversion of large-diameter crystals at a constant temperature.

Claims (5)

1. A large-diameter crystal frequency multiplication conversion device capable of regulating crystal temperature, characterized in that it includes a housing (1), a large-diameter crystal frequency multiplication mechanism (2), two sets of water inlet and outlet pipeline assemblies (3) and A constant temperature water tank (13), the housing (1) includes a first cylinder (5), a second cylinder (6), a front end cover (7) and a rear end cover (8), the first cylinder (5) One end of the first cylinder (5) is provided with a front end cover (7), the other end of the first cylinder (5) is detachably connected to one end of the second cylinder (6), and the other end of the second cylinder (6) is provided with The rear end cover (8), the large-diameter crystal frequency doubling mechanism (2) is arranged between the first cylinder (5) and the second cylinder (6), and the first cylinder (5) and the second The cylinders (6) are double-layered square cylinders with the same structure, and the first cylinder (5) includes a first outer cylinder (5-1) and a first inner cylinder (5-2), and the first inner cylinder (5-2) Embedded in the first outer cylinder (5-1), the outer surface of the first inner cylinder (5-2) is processed with the first water inlet groove (5-2-1), the first round A water tank (5-2-2) and a plurality of first water dividing tanks (5-2-3), the first water inlet tank (5-2-1) and the first water return tank (5-2-2) are arranged along the first The length direction of an inner cylinder (5-2) is arranged side by side, and a plurality of first water dividing grooves (5-2-3) are arranged side by side in the first water inlet groove (5-2-1) and the first return water groove (5-2 -2), one end of each first water dividing tank (5-2-3) communicates with the first water inlet tank (5-2-1) and the other end circles around the first inner cylinder (5-2) After that, it communicates with the first water return tank (5-2-2), and the first water inlet hole (5-2-1) is processed on the first outer cylinder (5-1) corresponding to the first water inlet tank (5-2-1). 1-1), the first outer cylinder (5-1) is processed with a first return water hole (5-1-2) corresponding to the first return water tank (5-2-2), and the first cylinder ( 5) It is connected to the constant temperature water tank (13) through a set of water inlet and outlet pipeline assemblies (3), and the second cylinder (6) is connected to the constant temperature water tank (13) through another set of water inlet and outlet pipeline assemblies (3) Pass. 2. A large-diameter crystal frequency doubling conversion device capable of regulating crystal temperature according to claim 1, characterized in that: the water inlet and outlet pipeline assembly (3) includes a water inlet pipe (9), a water inlet pipe joint (10) , return pipe (11) and return pipe joint (12), described constant temperature water tank (13) is provided with water tank inlet pipe (13-1) and water tank outlet pipe (13-2), described first water inlet (5-1-1) communicates with one end of the water inlet pipe (9), and the other end of the water inlet pipe (9) is connected to the water tank outlet pipe (13- 1) connected; the first return hole (5-1-2) is connected with one end of the return pipe (11), and the other end of the return pipe (11) is connected with the return pipe joint (12) The water tank inlet pipe (13-2) of constant temperature water tank (13) is connected. 3. According to claim 1 or 2, a large-diameter crystal frequency multiplication conversion device with adjustable crystal temperature is characterized in that: the inner wall of the first outer cylinder (5-1) is flat or processed with the first step The water tank (5-2-1), the first water return tank (5-2-2) and the first corresponding water inlet tank corresponding to the first water distribution tanks (5-2-3), the first corresponding water return tank and multiple water tanks The first corresponding water dividing groove, when the inner wall of the first outer cylinder (5-1) is a plane, the first outer cylinder (5-1) and the first inner cylinder (5-2) are closely arranged; when the first When the inner wall of the outer cylinder (5-1) is processed with a first corresponding water inlet groove, a first corresponding return water groove and a plurality of first corresponding water distribution grooves, the first corresponding water inlet groove and the first water inlet groove (5-2-1) The first water inlet pipe is closely attached to each other, the first corresponding water return tank and the first water return tank (5-2-2) are closely connected to form the first water return pipe, and the first corresponding water distribution tank and its corresponding first water distribution tank ( 5-2-3) close together to form the first water diversion pipe. 4. A large-diameter crystal frequency doubling conversion device with adjustable crystal temperature according to claim 3, characterized in that: the front cover (7) includes a connecting flange (16), a sealing ring (17), a fixing Flange (18), apron (19) and form (20), one side of the connecting flange (16) is detachably connected with the fixed flange (18), and the form (20) is arranged obliquely Between connecting flange (16) and fixed flange (18), sealing ring (17) is arranged between described window (20) and connecting flange (16), described window (20) and fixed Rubber rings (19) are arranged between the flanges (18). 5. A large-diameter crystal frequency multiplication conversion device with adjustable crystal temperature according to claim 4, characterized in that: it also includes a spherical sealing ring (14) and a sealing end cap (15), and the second cylinder The body (6) is processed with a detachable crystal frame device outlet, the sealing end cover (15) is arranged at the detachable crystal frame device outlet, and the spherical sealing ring (14) is arranged at the detachable crystal frame device outlet and seal Between the end caps (15).