CN216981125U

CN216981125U - Laser emitter cavity structure

Info

Publication number: CN216981125U
Application number: CN202123331843.4U
Authority: CN
Inventors: 刘庆京; 朱凯
Original assignee: Nanjing Vulcan Photonics Technology Co ltd
Current assignee: Nanjing Vulcan Photonics Technology Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-07-15
Anticipated expiration: 2031-12-28

Abstract

The utility model relates to the technical field of laser transmitters, in particular to a laser transmitter cavity structure, which comprises: a resonant cavity body; the cooling mechanism is used for cooling the resonant cavity body and is arranged at one end of the resonant cavity body, and one end of the cooling mechanism penetrates to the outside of the resonant cavity body; the controller is fixedly connected to the surface of the cooling mechanism; the air guide mechanism is used for controlling the cooling position of the cooling mechanism and is arranged on the surface of the cooling mechanism, and the number of the air guide mechanisms is not less than two; through setting up cooling body, when resonant cavity body normal operating, cooling blower can blast air to the inside of guide duct, gets into the cooling tube through the guide duct for wind takes away resonant cavity body conduction to the inside heat of cooling tube at the in-process through the cooling tube, with the operating temperature who reduces resonant cavity body, need not anxious resonant cavity body overheated condition, thereby reaches good cooling effect.

Description

Laser emitter cavity structure

Technical Field

The utility model relates to the technical field of laser transmitters, in particular to a cavity structure of a laser transmitter.

Background

An optical resonant cavity refers to a cavity in which light waves reflect back and forth to provide optical energy feedback. The necessary components of a laser are usually made up of two flat or concave spherical mirrors perpendicular to the axis of the active medium.

At present, when an optical resonant cavity normally operates, the local temperature is very high, but the heat dissipation effect of the existing optical resonant cavity is poor, which undoubtedly increases the instability of the operation of the laser, and interferes with the normal operation of a test or work, which is a problem to be solved at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide a cavity structure of a laser transmitter, so that the problems that the existing optical resonant cavity is poor in heat dissipation effect and easy to interfere with the normal operation of a laser are solved.

The utility model achieves the above-mentioned purpose through the following technical scheme, the laser emitter cavity structure, including: a resonant cavity body; the cooling mechanism is used for cooling the resonant cavity body and is arranged at one end of the resonant cavity body, and one end of the cooling mechanism penetrates to the outside of the resonant cavity body; the controller is fixedly connected to the surface of the cooling mechanism; and the air guide mechanism is used for controlling the cooling position of the cooling mechanism and is arranged on the surface of the cooling mechanism, and the number of the air guide mechanisms is not less than two.

Preferably, the cooling mechanism comprises an air guide box, a cooling fan is embedded in the inner wall of the air guide box, one end of the air guide box is communicated with air guide pipes which are uniformly distributed, one end of each air guide pipe is communicated with a cooling pipe, and one end of each cooling pipe penetrates through the outside of the resonant cavity body.

Preferably, the cooling pipe is in a spiral shape, and the cooling pipe is wound inside the resonant cavity body.

Preferably, a temperature sensor is fixedly connected to the surface of the cooling pipe, and the surface of the temperature sensor is in contact with the resonant cavity body.

Preferably, one end of the air guide box is in threaded connection with a detachable filter screen, and the surface of the filter screen is fixedly connected with two handles.

Preferably, the air guide mechanism comprises a connecting box, an air guide opening is formed in the surface of the connecting box, two ends of the air guide opening are respectively communicated with the air guide pipe and the cooling pipe, a sealing plate is connected to the inner wall of the connecting box in a sliding mode, the upper end of the sealing plate sequentially penetrates through the connecting box and the air guide opening and is connected with the air guide opening in an inserting mode, an iron plate is fixedly connected to the lower end of the sealing plate, and an electromagnet is fixedly connected to the inner bottom wall of the connecting box.

Preferably, the lower extreme fixedly connected with evenly distributed's of iron plate rubber spring, the interior diapire fixedly connected with evenly distributed's of connecting box gag lever post, the upper end of gag lever post run through rubber spring and iron plate in proper order and with the interior roof fixed connection of connecting box.

The utility model has the beneficial effects that:

(1) by arranging the cooling mechanism, when the resonant cavity body normally operates, the cooling fan can blow air into the air guide pipe and enter the cooling pipe through the air guide pipe, so that the heat conducted from the resonant cavity body to the inside of the cooling pipe is taken away by the air in the process of passing through the cooling pipe, the operating temperature of the resonant cavity body is reduced, the situation of overheating of the resonant cavity body is not needed to be worried about, and a good cooling effect is achieved;

(2) through setting up air guide mechanism, when the temperature that a certain temperature sensor detected the resonant cavity body exceeded preset standard temperature numerical value, other electro-magnets were closed in controller control, rubber spring lost pressure, rubber spring just can be through iron plate quick seal wind-guiding mouth, in order to prevent wind to continue to get into the cooling tube, cooling blower just can be concentrated with wind and blow to this unusual position cooling tube's that generates heat inside this moment, in order to make this position can be by rapid cooling, thereby reach the radiating effect of pertinence.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection of a temperature sensor to a cooling pipe according to the present invention;

FIG. 3 is a schematic illustration of a partial explosion of the present invention;

fig. 4 is a schematic structural view of the air guide mechanism of the present invention.

In the figure: 1. a resonant cavity body; 2. a cooling mechanism; 201. a wind guide box; 202. a cooling fan; 203. an air guide pipe; 204. a cooling tube; 205. a temperature sensor; 206. filtering with a screen; 207. a handle; 3. a controller; 4. an air guide mechanism; 401. a connection box; 402. a wind guide opening; 403. a limiting rod; 404. a sealing plate; 405. an iron plate; 406. an electromagnet; 407. a rubber spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the specific implementation: as shown in fig. 1-4, the cavity structure of the laser transmitter comprises: a resonant cavity body 1; the cooling mechanism 2 is used for cooling the resonant cavity body 1, the cooling mechanism 2 is arranged at one end of the resonant cavity body 1, and one end of the cooling mechanism 2 penetrates to the outside of the resonant cavity body 1; the controller 3 is fixedly connected to the surface of the cooling mechanism 2; air guide mechanism 4 for controlling air guide mechanism 4 of cooling mechanism 2 cooling position installs in cooling mechanism 2's surface, and two are no less than to air guide mechanism 4's quantity, and temperature sensor 205's output and controller 3's input electric connection, cooling blower 202 and electromagnet 406's input all with controller 3's output electric connection.

As shown in fig. 2 and fig. 3, the cooling mechanism 2 includes an air guiding box 201, a cooling fan 202 is embedded and installed on an inner wall of the air guiding box 201, one end of the air guiding box 201 is communicated with evenly distributed air guiding pipes 203, one end of the air guiding pipe 203 is communicated with a cooling pipe 204, one end of the cooling pipe 204 penetrates to the outside of the resonant cavity body 1, when the resonant cavity body 1 normally operates, the cooling fan 202 can blow air into the air guiding pipes 203, and the air enters the cooling pipe 204 through the air guiding pipes 203, so that the air takes away heat conducted from the resonant cavity body 1 to the inside of the cooling pipe 204 in the process of passing through the cooling pipe 204, thereby reducing the operating temperature of the resonant cavity body 1, avoiding the situation that the resonant cavity body 1 is overheated, and achieving a good cooling effect, the cooling pipe 204 is spiral in shape, the cooling pipe 204 is wound inside the resonant cavity body 1, which can prolong the operating time of the air inside the resonant cavity body 1, in order to improve the cooling effect to the resonant cavity body 1, the surface of the cooling pipe 204 is fixedly connected with the temperature sensor 205, the surface of the temperature sensor 205 is in contact with the resonant cavity body 1, the temperature sensor 205 can detect the partial temperature of the resonant cavity body 1 in real time, and transmit the detection signal to the controller 3, when a certain temperature sensor 205 detects that the temperature of the resonant cavity body 1 exceeds the preset standard temperature value, the controller 3 can control other air guide mechanisms 4 to disconnect the cooling pipe 204 from the air guide pipe 203, so that the cooling fan 202 intensively blows the air to the part with abnormal heating, so that the part can be rapidly cooled, thereby achieving the effect of targeted heat dissipation, one end of the air guide box 201 is in threaded connection with the detachable filter screen 206, the surface of the filter screen 206 is fixedly connected with two handles 207, when the air passes through the filter screen 206, the filter screen 206 can filter the solid impurities mixed in minutes, the probability that the air guide pipe 203 or the cooling pipe 204 is blocked by solid impurities is not needed to be worried about, so that a good filtering effect is achieved;

as shown in fig. 4, the air guiding mechanism 4 includes a connection box 401, an air guiding opening 402 is formed on the surface of the connection box 401, two ends of the air guiding opening 402 are respectively communicated with the air guiding pipe 203 and the cooling pipe 204, a sealing plate 404 is slidably connected to the inner wall of the connection box 401, an upper end of the sealing plate 404 sequentially penetrates through the connection box 401 and the air guiding opening 402 and is inserted into the air guiding opening 402, an iron plate 405 is fixedly connected to a lower end of the sealing plate 404, an electromagnet 406 is fixedly connected to an inner bottom wall of the connection box 401, when a temperature sensor 205 detects that the temperature of the resonant cavity body 1 exceeds a preset standard temperature value, the controller 3 can control to turn on the electromagnet 406, at this time, the electromagnet 406 rapidly adsorbs the iron plate 405, so that the iron plate 405 drives the sealing plate 404 to be separated from the air guiding opening 402, at this time, the air can enter the cooling pipe 204 through the air guiding opening 402, without a worker manually controlling the cooling position, so as to improve the automation degree of the device, the lower end of the iron plate 405 is fixedly connected with rubber springs 407 which are uniformly distributed, the inner bottom wall of the connecting box 401 is fixedly connected with limiting rods 403 which are uniformly distributed, the upper ends of the limiting rods 403 sequentially penetrate through the rubber springs 407 and the iron plate 405 and are fixedly connected with the inner top wall of the connecting box 401, after the controller 3 controls the electromagnet 406 to be closed, the electromagnet 406 loses magnetism, the rubber springs 407 lose pressure at the moment, the rubber springs 407 can rapidly seal the air guide port 402 through the iron plate 405 to prevent air from continuously entering the cooling pipe 204, and therefore the self-resetting effect is achieved.

When the resonant cavity is used, when the resonant cavity body 1 normally runs, the controller 3 controls to open all the electromagnets 406, so that the electromagnets 406 adsorb the iron plate 405, the iron plate 405 drives the sealing plate 404 to be separated from the air guide opening 402, at the moment, air can enter the cooling pipe 204 through the air guide opening 402, the cooling fan 202 can blow air into the air guide pipe 203 and enter the cooling pipe 204 through the air guide pipe 203, and the air can take away heat conducted from the resonant cavity body 1 to the inside of the cooling pipe 204 in the process of passing through the cooling pipe 204, so that the running temperature of the resonant cavity body 1 is reduced, the resonant cavity body 1 does not need to be worried about the overheating condition, and a good cooling effect is achieved;

when a certain temperature sensor 205 detects that the temperature of the resonant cavity body 1 exceeds a preset standard temperature value, the controller 3 controls to close other electromagnets 406, the rubber spring 407 loses pressure, the rubber spring 407 can rapidly seal the air guide opening 402 through the iron plate 405 to prevent air from continuously entering the cooling pipe 204, and at the moment, the cooling fan 202 can intensively blow the air to the inside of the cooling pipe 204 at the abnormal heating part, so that the abnormal heating part can be rapidly cooled, and the targeted heat dissipation effect is achieved.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Laser emitter cavity structures, its characterized in that includes:

a resonator body (1);

the cooling mechanism (2) is used for cooling the resonant cavity body (1), the cooling mechanism (2) is arranged at one end of the resonant cavity body (1), and one end of the cooling mechanism (2) penetrates through the resonant cavity body (1);

the controller (3), the said controller (3) is fixedly connected to the surface of the cooling mechanism (2);

the air guide mechanism (4) is used for controlling the cooling position of the cooling mechanism (2), the air guide mechanism (4) is installed on the surface of the cooling mechanism (2), and the number of the air guide mechanisms (4) is not less than two.

2. The laser emitter cavity structure of claim 1, wherein: the cooling mechanism (2) comprises an air guide box (201), a cooling fan (202) is installed on the inner wall of the air guide box (201) in an embedded mode, one end of the air guide box (201) is communicated with air guide pipes (203) which are evenly distributed, one end of each air guide pipe (203) is communicated with a cooling pipe (204), and one end of each cooling pipe (204) penetrates through the outside of the resonant cavity body (1).

3. The laser emitter cavity structure of claim 2, wherein: the cooling pipe (204) is spiral in shape, and the cooling pipe (204) is wound inside the resonant cavity body (1).

4. The laser emitter cavity structure of claim 2, wherein: the surface of the cooling pipe (204) is fixedly connected with a temperature sensor (205), and the surface of the temperature sensor (205) is in contact with the resonant cavity body (1).

5. The laser transmitter cavity structure of claim 2, wherein: one end threaded connection of air guide box (201) has detachable filter screen (206), the fixed surface of filter screen (206) is connected with handle (207) that quantity is two.

6. The laser emitter cavity structure of claim 2, wherein: the air guide mechanism (4) comprises a connecting box (401), an air guide opening (402) is formed in the surface of the connecting box (401), two ends of the air guide opening (402) are respectively communicated with an air guide pipe (203) and a cooling pipe (204), a sealing plate (404) is connected to the inner wall of the connecting box (401) in a sliding mode, the upper end of the sealing plate (404) penetrates through the connecting box (401) and the air guide opening (402) in sequence and is connected with the air guide opening (402) in an inserting mode, an iron plate (405) is fixedly connected to the lower end of the sealing plate (404), and an electromagnet (406) is fixedly connected to the inner bottom wall of the connecting box (401).

7. The laser emitter cavity structure of claim 6, wherein: the lower extreme fixedly connected with evenly distributed's of iron plate (405) rubber spring (407), the interior diapire fixedly connected with evenly distributed's of connecting box (401) gag lever post (403), the upper end of gag lever post (403) run through in proper order rubber spring (407) and iron plate (405) and with the interior roof fixed connection of connecting box (401).