CN114520455A - Polarized fiber laser with high-efficient heat dissipation function - Google Patents

Polarized fiber laser with high-efficient heat dissipation function Download PDF

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Publication number
CN114520455A
CN114520455A CN202210394229.2A CN202210394229A CN114520455A CN 114520455 A CN114520455 A CN 114520455A CN 202210394229 A CN202210394229 A CN 202210394229A CN 114520455 A CN114520455 A CN 114520455A
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heat dissipation
rectangular
plate
sliding block
positioning
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CN114520455B (en
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付卓飞
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Wuhan Hetaoyuan Technology Co ltd
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Wuhan Hetaoyuan Technology Co ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/02Constructional details
    • H01S3/04Arrangements for thermal management
    • H01S3/0404Air- or gas cooling, e.g. by dry nitrogen
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/06Construction or shape of active medium
    • H01S3/063Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
    • H01S3/067Fibre lasers
    • H01S3/06704Housings; Packages

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The invention discloses a polarized fiber laser with a high-efficiency heat dissipation function, which comprises an outer shell, wherein a pendulum type heat dissipation mechanism is arranged in the outer shell. According to the invention, one side in the outer shell is provided with the swinging heat dissipation part, the heat dissipation part comprises a rectangular positioning plate, a rectangular heat dissipation plate, a sliding block, an electromagnet, a traction rod and a driving motor, the sliding block is connected with one side of the rectangular positioning plate in a sliding manner, the rectangular heat dissipation plate is arranged on two sides of the sliding block, one end of the rectangular heat dissipation plate is rotationally connected with a positioning shaft which is symmetrically distributed on the rectangular positioning plate relative to the sliding block, the rectangular heat dissipation plate arranged on two sides of the sliding block is in a horizontal V shape, the driving motor rotates to drive the sliding block to slide back and forth through the traction rod, the rectangular heat dissipation plate on two sides of the sliding block is driven to swing back and forth relative to the positioning shaft through the electromagnet when the sliding block slides back and forth, air on one side of an electric element in the outer shell can be quickly stirred through swinging, the air in and out of the outer shell in a pulse mode, the heat dissipation efficiency can be improved, and the dust accumulation prevention effect is achieved.

Description

Polarized fiber laser with high-efficient heat dissipation function
Technical Field
The invention relates to the technical field of polarized fiber lasers, in particular to a polarized fiber laser with a high-efficiency heat dissipation function.
Background
The existing polarized fiber laser can generate larger energy when working, so the solution of the heat dissipation problem is particularly important, the traditional polarized fiber laser has poor heat dissipation effect and cannot meet the requirement when working, some polarized fiber lasers on the market increase the heat exchange area by adding heat dissipation fins in an outer shell, and then copper pipes for circulating cooling liquid are arranged in the outer shell to improve the heat dissipation capacity, the heat dissipation mode is static heat dissipation, in particular, the heat dissipation units are statically arranged in the laser, the heat dissipation mode has the following defects that the ventilation in the shell is not smooth, the local heat dissipation effect is poor, and the heat dissipation efficiency is low; the electric elements related to the laser are of irregular structures, the phenomenon of dust accumulation on the surfaces of the electric elements is easy to occur, heat dissipation is affected due to the fact that dust accumulation cleaning is inconvenient, dust is easy to accumulate on the heat dissipation side pieces, and the heat dissipation fins are usually arranged on the lower interval, so that cleaning is more difficult.
Therefore, the invention provides a polarized fiber laser with high-efficiency heat dissipation function.
Disclosure of Invention
The invention aims to: in order to solve the problems mentioned in the background art, a polarized fiber laser with a high-efficiency heat dissipation function is provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a polarization fiber laser with high-efficient heat dissipation function, includes the shell body, set up pendulum-type heat dissipation mechanism in the shell body, pendulum-type heat dissipation mechanism sets up at the inside wall of shell body and it includes heat dissipation fin plate hinge mechanisms and reciprocating drive mechanism, set up the swing radiating part that is horizontal V type distribution on the heat dissipation fin plate hinge mechanisms, this swing radiating part is connected with reciprocating drive mechanism's output is articulated, can drive the swing radiating part when reciprocating drive mechanism reciprocates and carry out the mode cyclic variation that V type contained angle reduces and increase, first louvre has been seted up on the lateral wall of shell body.
As a further description of the above technical solution:
the swing heat dissipation part comprises a rectangular positioning plate, a rectangular heat dissipation plate, a sliding block and an electromagnet, the rectangular heat dissipation plate is located on one side of the outer shell, the sliding block is connected to the middle of one side of the rectangular positioning plate in a sliding mode along the length direction, a positioning shaft which is symmetrically distributed relative to the sliding direction of the sliding block is further perpendicularly connected to one side of the rectangular positioning plate, the positioning shaft is close to one end of the rectangular positioning plate, a positioning sleeve which is located outside the positioning shaft is fixedly connected with the one end of the rectangular heat dissipation plate in a sleeved mode, the positioning sleeve and the positioning shaft are rotatably connected and are provided with torsional springs at the rotating connection positions, and the length direction of the rectangular heat dissipation plate is perpendicular to the positioning shaft.
As a further description of the above technical solution:
the utility model discloses a rectangular heat dissipation plate, including rectangular heat dissipation plate, slider, draw pole, drive motor and driving mechanism, the short board is inhaled to one side that is relative with the slider on the rectangular heat dissipation plate has magnetism along length direction elastic sliding connection, both sides rotation connection relative with the rectangular heat dissipation plate on the slider has the electro-magnet of symmetric distribution, and this electro-magnet and magnetism inhale the short board cooperation and use, reciprocating drive mechanism includes traction lever and driving motor, traction lever and rectangular positioning plate parallel and its one end fixedly connected with rotate the traction axis of being connected with slider one end, driving motor fixed connection is adjacent in one side of rectangle positioning plate place shell body inner plane and its output shaft and location axle are parallel, the outer wall fixedly connected with vertical distribution's of this output shaft support arm, the free end of support arm is articulated with the other end of traction axis, the second louvre has been seted up on the rectangle positioning plate.
As a further description of the above technical solution:
the shell body is of a rectangular shell structure, the number of the swing radiating parts is two and the swing radiating parts are distributed oppositely, the driving motor is of a bidirectional output structure, the other end of the output shaft is fixedly connected with support arms, and the support arms at the two ends of the output shaft face in opposite directions.
As a further description of the above technical solution:
the swing radiating part further comprises a rectangular radiating auxiliary plate and a synchronous transmission combination, the rectangular radiating auxiliary plate is parallel to the rectangular positioning plate, one end of the rectangular radiating auxiliary plate and the other end of the rectangular radiating plate are rotatably connected, a torsional spring is arranged at the rotating connection position, the rectangular radiating auxiliary plate and the rectangular radiating plate which are positioned on the rectangular positioning plate form a horizontal M type, and the synchronous transmission combination is arranged on the rectangular positioning plate and is matched with the adjacent rectangular radiating auxiliary plate and the rectangular radiating plate for use.
As a further description of the above technical solution:
synchronous drive combination includes transmission ring gear and drive gear, transmission ring gear fixed cover is established and is sheathe in the locating sleeve and the relative one end of rectangle locating plate, is located the transmission ring gear meshing of slider both sides, one side fixedly connected with and the drive gear of rectangle locating plate rotate the suspension shaft of being connected, drive gear and transmission ring gear meshing and its one side fixedly connected with dial the arm, should dial the free end of arm rotate be connected with the rectangle heat dissipation assist the running roller of one side contact towards the rectangle heating panel on the board, one side of rectangle locating plate still fixedly connected with dial the spacing axle that keeps off of arm cooperation use
As a further description of the above technical solution:
the side wall of the shell body is provided with a rectangular positioning hole detachably connected with the rectangular positioning plate, and one end of the sliding block is provided with a jack detachably connected with the traction shaft.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. in the invention, one side in the outer shell is provided with a swinging heat dissipation part which comprises a rectangular positioning plate, a rectangular heat dissipation plate, a slide block, an electromagnet, a traction rod and a driving motor, wherein the slide block is connected with one side of the rectangular positioning plate in a sliding way, the two sides of the slide block are provided with the rectangular heat dissipation plate, one end of the rectangular heat dissipation plate is rotationally connected with a positioning shaft which is symmetrically distributed on the rectangular positioning plate relative to the slide block, the rectangular heat dissipation plate arranged at the two sides of the slide block is in a horizontal V shape, the driving motor rotates to drive the slide block to slide back and forth through the traction rod, the rectangular heat dissipation plate at the two sides of the slide block is driven to swing back and forth relative to the positioning shaft through the electromagnet when the slide block slides back and forth, and the air at one side of an electric element in the outer shell can be rapidly stirred through the swinging, the air passing in and out of the outer shell is enabled to pass in and out in a pulse mode, so that the heat dissipation efficiency can be improved, and the dust accumulation prevention effect is achieved.
2. In the invention, the outer shell is of a rectangular shell structure, the number of the swinging heat dissipation parts is two and the swinging heat dissipation parts are distributed oppositely, the driving motor is of a bidirectional output structure, the other end of the output shaft is fixedly connected with support arms, the directions of the support arms at the two ends of the output shaft are opposite, namely the swinging directions of the rectangular heat dissipation plates at the two sides of the electric element in the outer shell are opposite, so that the first heat dissipation holes and the second heat dissipation holes at the two sides of the outer shell generate cross circulating air, and the uniformity of heat dissipation in the outer shell is improved.
3. According to the invention, the side wall of the outer shell is provided with the rectangular positioning hole detachably connected with the rectangular positioning plate, a clamping connection mode can be specifically adopted, one end of the sliding block is provided with the insertion hole detachably connected with the traction shaft, when sludge on the rectangular heat dissipation plate and the rectangular heat dissipation auxiliary plate needs to be cleaned or maintained, the rectangular heat dissipation plate and the rectangular heat dissipation auxiliary plate which are distributed in a control mode only need to be reduced, then the rectangular positioning plate is pried open, and the maintenance and the cleaning are more convenient.
Drawings
Fig. 1 is a schematic structural diagram of a swinging heat dissipation part and an outer housing of a polarization fiber laser with an efficient heat dissipation function according to the present invention;
FIG. 2 is a schematic structural diagram of a heat dissipation fin hinge mechanism and a reciprocating driving mechanism of a polarized fiber laser with efficient heat dissipation function in an outer housing according to the present invention;
FIG. 3 is a schematic structural diagram of detailed connection between a swinging heat dissipation part and a reciprocating driving mechanism of a polarized fiber laser with an efficient heat dissipation function according to the present invention;
fig. 4 is a schematic structural diagram of a front view of the polarization fiber laser with high heat dissipation efficiency in accordance with the present invention;
FIG. 5 is a schematic structural diagram of a front view of a synchronous transmission assembly, a rectangular positioning plate, a rectangular heat dissipation plate and a rectangular heat dissipation auxiliary plate of a polarized fiber laser with an efficient heat dissipation function according to the present invention;
fig. 6 is a schematic structural diagram of a rectangular heat dissipation plate and a rectangular heat dissipation auxiliary plate in fig. 5 of a polarization fiber laser with an efficient heat dissipation function according to the present invention after being unfolded.
Illustration of the drawings:
1. an outer housing; 11. a first heat dissipation hole; 12. rectangular positioning holes; 101. a pendulum heat dissipation mechanism; 1011. a heat dissipation fin plate hinge mechanism; 2. a swinging heat dissipating section; 21. a rectangular positioning plate; 211. positioning the shaft; 212. a second heat dissipation hole; 213. a suspension shaft; 214. a limit stop shaft; 22. a rectangular heat dissipation plate; 221. a positioning sleeve; 222. a short plate is magnetically attracted; 23. a slider; 231. a jack; 24. an electromagnet; 27. a rectangular heat dissipation auxiliary plate; 28. synchronous transmission combination; 281. a transmission gear ring; 282. a transmission gear; 2821. a shifting arm; 28211. a roller; 1012. a reciprocating drive mechanism; 3. a draw bar; 31. a traction shaft; 4. a drive motor; 41. an output shaft; 411. and (4) a support arm.
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.
Example 1
Referring to fig. 1-4, a polarization fiber laser with high-efficiency heat dissipation function includes an outer housing 1, the outer housing 1 is an outer housing for carrying electrical components in the laser, and plays roles of protection and positioning, the electrical components generate a large amount of heat when being powered on, the heat is collected in the outer housing 1, and thus the requirements for the heat dissipation function, the protection function and the dust-deposition prevention function of the outer housing 1 are high, a pendulum heat dissipation mechanism 101 is disposed in the outer housing 1, the pendulum heat dissipation mechanism 101 is disposed on the inner side wall of the outer housing 1 and includes a heat dissipation fin hinge mechanism 1011 and a reciprocating drive mechanism 1012, the heat dissipation fin hinge mechanism is disposed with a swing heat dissipation part 2 distributed in a horizontal V shape, the swing heat dissipation part 2 is hinged to the output end of the reciprocating drive mechanism 1012, when the reciprocating drive mechanism reciprocates, the swing heat dissipation part 2 is driven to perform cyclic changes of reducing and increasing V-shaped included angle, the swinging heat dissipation part 2 comprises a rectangular positioning plate 21, rectangular heat dissipation plates 22, a sliding block 23 and an electromagnet 24, wherein the rectangular heat dissipation plate 22 is positioned on one side in the outer shell 1, the rectangular heat dissipation plate 22 is of a common aluminum sheet structure and can play a role in heat exchange to increase the contact area with hot air in the outer shell 1, the sliding block 23 is connected to the middle part of one side of the rectangular positioning plate 21 in a sliding manner along the length direction, one side of the rectangular positioning plate 21 is also vertically connected with positioning shafts 211 which are symmetrically distributed relative to the sliding direction of the sliding block 23, the positioning shafts 211 are close to one end of the rectangular positioning plate 21, one end of the rectangular heat dissipation plate 22 is fixedly connected with positioning sleeves 221 which are sleeved outside the positioning shafts 211, two rectangular heat dissipation plates 22 are arranged on two sides of the sliding block 23 at the moment, the positioning sleeves 221 are rotatably connected with the positioning shafts 211, torsion springs are arranged at the positions of the rotary joints, and the length directions of the rectangular heat dissipation plates 22 are perpendicular to the positioning shafts 211, under the action of the torsion spring, the free end distance of the rectangular heat dissipation plate 22 at the two sides of the slider 23 is driven to be in the maximum state, and a horizontally distributed V-shape is formed, the side of the rectangular heat dissipation plate 22 opposite to the slider 23 is elastically and slidably connected with a short magnetic absorption plate 222 along the length direction, the two sides of the slider 23 opposite to the rectangular heat dissipation plate 22 are rotatably connected with electromagnets 24 which are symmetrically distributed, the electromagnets 24 and the short magnetic absorption plates 222 are used in cooperation, at this time, when the control slider 23 slides to the limit position when approaching to the positioning shaft 211, the electromagnets 24 and the short magnetic absorption plates 222 attract each other, then when the control slider 23 slides in the opposite direction, the included angle between the rectangular heat dissipation plates 22 at the two sides of the slider 23 is driven to be reduced, when the short magnetic absorption plates 222 slide to the limit position, the electromagnets 24 continuously move and can be separated from the short magnetic absorption plates 222, it should be pointed out that the connection structure of the return spring is adopted when the elastic connection between the short magnetic absorption plates 222 and the rectangular heat dissipation plates 22, that is to say, the short magnetic attraction plate 222 will be reset under the action of the reset spring after being separated from the electromagnet 24, at this time, the rectangular heat dissipation plate 22 will be reset and swing under the action of the torsion spring, in sum, when the slider 23 slides back and forth, the rectangular heat dissipation plate 22 will swing in the outer housing 1, specifically, one side of the electrical component in the outer housing 1 will swing, this swing arrangement plays the role of stirring the air in the outer housing 1, the reciprocating driving mechanism 1012 includes the drawbar 3 and the driving motor 4, the drawbar 3 is parallel to the rectangular positioning plate 21, and one end of the drawbar 3 is fixedly connected with the traction shaft 31 which is rotatably connected with one end of the slider 23, the driving motor 4 is fixedly connected to one side of the outer housing 1 where the rectangular positioning plate 21 is located, and the output shaft 41 is parallel to the positioning shaft 211, the outer wall of the output shaft 41 is fixedly connected with the support arm 411 which is vertically distributed, the free end of the support arm 411 is hinged with the other end of the traction shaft 31, therefore, the reciprocating sliding of the sliding block 23 can be realized by the rotation of the driving motor 4, the side wall of the outer shell 1 where the rectangular positioning plate 21 is located is provided with the first heat dissipation hole 11, the rectangular positioning plate 21 is provided with the second heat dissipation hole 212, and the reciprocating swinging rectangular heat dissipation plate 22 stirs air in the outer shell 1 in a reciprocating mode to generate external air which enters and exits the first heat dissipation hole 11 and the second heat dissipation hole 212 in a pulse mode, so that the heat dissipation efficiency is greatly improved, and the dust accumulation prevention effect is achieved.
Example 2
Referring to fig. 5 and fig. 6, the difference from embodiment 1 is that the outer housing 1 is a rectangular housing structure, the number of the swinging heat dissipation parts 2 is two and are distributed oppositely, the driving motor 4 is a bidirectional output structure, the other end of the output shaft 41 is also fixedly connected with the support arm 411, the support arms 411 at the two ends of the output shaft 41 are oppositely oriented, that is, the swinging directions of the rectangular heat dissipation plates 22 at the two sides of the electrical component in the outer housing 1 are opposite, so that the first heat dissipation hole 11 and the second heat dissipation hole 212 at the two sides of the outer housing 1 generate cross-flowing air, and the uniformity of heat dissipation in the outer housing 1 is improved, further described as the swinging heat dissipation part 2 further comprises a rectangular heat dissipation auxiliary plate 27 and a synchronous transmission assembly 28, the rectangular heat dissipation auxiliary plate 27 is parallel to the rectangular positioning plate 21, one end of the rectangular heat dissipation auxiliary plate 27 is rotatably connected with the other end of the rectangular heat dissipation plate 22, and a torsion spring is disposed at the rotary connection, the rectangular auxiliary heat dissipating plate 27 and the rectangular heat dissipating plate 22 on the rectangular positioning plate 21 form an M-shape in a horizontal state, the synchronous transmission assembly 28 is disposed on the rectangular positioning plate 21 and used in cooperation with the adjacent rectangular auxiliary heat dissipating plate 27 and the adjacent rectangular heat dissipating plate 22, that is, under the action of the synchronous transmission assembly 28, when the included angle between the adjacent rectangular heat dissipating plates 22 is reduced, the included angle between the adjacent rectangular auxiliary heat dissipating plate 27 and the rectangular heat dissipating plate 22 is reduced, and when the included angle between the adjacent rectangular heat dissipating plates 22 is increased, the included angle between the adjacent rectangular auxiliary heat dissipating plate 27 and the rectangular heat dissipating plate 22 is increased, wherein the synchronous transmission assembly 28 comprises a transmission gear ring 281 and a transmission gear 282, the transmission gear ring 281 is fixedly sleeved on one end of the positioning sleeve 221 opposite to the rectangular positioning plate 21, the transmission gear rings 281 on both sides of the slider 23 are engaged, one side of the rectangular positioning plate 21 is fixedly connected with a suspension shaft 213 rotatably connected with the transmission gear 282, the transmission gear 282 is meshed with the transmission gear ring 281, one side of the transmission gear ring 281 is fixedly connected with a shifting arm 2821, the free end of the shifting arm 2821 is rotatably connected with a roller 28211 which is in contact with one side of the rectangular heat dissipation auxiliary plate 27, the side of the rectangular positioning plate 21 is also fixedly connected with a limiting blocking shaft 214 which is matched with the shifting arm 2821 for use, the limiting blocking shaft 214 plays a role in blocking the shifting arm 2821, and in conclusion, when the M-shaped distributed rectangular heat dissipation plate 22 and the rectangular heat dissipation auxiliary plate 27 deform, the airflow passing through the electric elements in the shell 1 is more uniform, and the heat dissipation is more uniform.
Example 3
Referring to fig. 2 and 3, based on the difference between the embodiment 1 and the embodiment 2, the side wall of the outer shell 1 is provided with the rectangular positioning hole 12 detachably connected to the rectangular positioning plate 21, specifically, a snap connection manner can be adopted, one end of the slider 23 is provided with the insertion hole 231 detachably connected to the traction shaft 31, when sludge on the rectangular heat dissipation plate 22 and the rectangular heat dissipation auxiliary plate 27 needs to be cleaned or maintained, only the rectangular heat dissipation plate 22 and the rectangular heat dissipation auxiliary plate 27 distributed in an M-shaped manner need to be controlled to be reduced, and then the rectangular positioning plate 21 is pried open, so that maintenance and cleaning are more convenient.
The working principle is as follows: when the laser is used, the electromagnet 24 and the driving motor 4 are electrically connected with a power supply circuit in the laser, when heat dissipation is needed, the electromagnet 24 and the driving motor 4 are controlled to be powered on and started, the driving motor 4 rotates, the rotating output shaft 41 drives the traction shaft 31 to move through the support arm 411, the traction shaft 31 drives the sliding block 23 to slide on the rectangular positioning plate 21 in a reciprocating manner, when the positioning shaft 211 moves, the electromagnet 24 gradually approaches the magnetic short plate 222, when the distance between the magnetic short plate 222 and the electromagnet 24 is small enough, the magnetic short plate 222 can be quickly adsorbed and connected with the electromagnet 24, at the moment, the adjacent rectangular heat dissipation plates 22 can be driven to move in opposite directions to stir air in the outer shell 1, then when the sliding block 23 moves in opposite directions, the adjacent rectangular heat dissipation plates 22 can be further driven to move in opposite directions to stir air in the outer shell 1, when the electromagnet 24 is separated from the magnetic short plate 222, under the action of the torsion spring, the adjacent rectangular heat dissipation plates 22 can move in opposite directions to stir air in the outer shell 1, the rectangular heat sink plate 22 thus swung allows outside air to pass through the first heat dissipation holes 11 and the second heat dissipation holes 212 in a pulsating manner, which not only greatly improves heat dissipation efficiency, but also has the effect of preventing dust accumulation.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (7)

1. The utility model provides a polarization fiber laser with high-efficient heat dissipation function, includes shell body (1), set up pendulum-type heat dissipation mechanism (101) in shell body (1), its characterized in that, pendulum-type heat dissipation mechanism (101) set up inside wall and its including heat dissipation fin plate hinge mechanisms (1011) and reciprocal actuating mechanism (1012) of shell body (1), set up swing radiating part (2) that are horizontal V type and distribute on heat dissipation fin plate hinge mechanisms (1011), this swing radiating part (2) is connected with the output of reciprocal actuating mechanism (1012) is articulated, can drive swing radiating part (2) when reciprocal actuating mechanism (1012) reciprocates and carry out the mode cyclic variation that V type contained angle reduces and increase, first louvre (11) have been seted up on the lateral wall of shell body (1).
2. The polarized fiber laser with the high-efficiency heat dissipation function according to claim 1, wherein the swinging heat dissipation part (2) comprises a rectangular positioning plate (21), a rectangular heat dissipation plate (22), a sliding block (23) and an electromagnet (24), the rectangular heat dissipation plate (22) is positioned at one side in the outer shell (1), the sliding block (23) is connected to the middle of one side of the rectangular positioning plate (21) in a sliding manner along the length direction, a positioning shaft (211) symmetrically distributed relative to the sliding direction of the sliding block (23) is also vertically connected to one side of the rectangular positioning plate (21), the positioning shaft (211) is close to one end of the rectangular positioning plate (21), a positioning sleeve (221) sleeved outside the positioning shaft (211) is fixedly connected to one end of the rectangular heat dissipation plate (22), the positioning sleeve (221) is rotatably connected with the positioning shaft (211), and a torsion spring is arranged at the rotary connection, the length direction of the rectangular heat dissipation plate (22) is perpendicular to the positioning shaft (211).
3. The polarized fiber laser with the efficient heat dissipation function as claimed in claim 2, wherein a magnetic short plate (222) is elastically and slidably connected to one side of the rectangular heat dissipation plate (22) opposite to the sliding block (23) along the length direction, symmetrically distributed electromagnets (24) are rotatably connected to two sides of the sliding block (23) opposite to the rectangular heat dissipation plate (22), the electromagnets (24) and the magnetic short plate (222) are used in cooperation, the reciprocating driving mechanism (1012) comprises a traction rod (3) and a driving motor (4), the traction rod (3) is parallel to the rectangular positioning plate (21), one end of the traction rod is fixedly connected with a traction shaft (31) rotatably connected with one end of the sliding block (23), the driving motor (4) is fixedly connected to one side of the rectangular positioning plate (21) adjacent to the plane in the outer shell (1), and an output shaft (41) of the driving motor is parallel to the positioning shaft (211), the outer wall fixedly connected with of this output shaft (41) has support arm (411) of vertical distribution, the free end of support arm (411) and the other end of drawing axle (31) are articulated, second louvre (212) have been seted up on rectangle locating plate (21).
4. The fiber laser with high efficiency heat dissipation function according to claim 3, wherein the outer casing (1) is a rectangular casing structure, the number of the swinging heat dissipation parts (2) is two and are distributed oppositely, the driving motor (4) is a bidirectional output structure, the other end of the output shaft (41) is also fixedly connected with a support arm (411), and the support arms (411) at the two ends of the output shaft (41) are oppositely oriented.
5. The polarized fiber laser with the high-efficiency heat dissipation function as claimed in claim 4, wherein the swinging heat dissipation part (2) further comprises a rectangular heat dissipation auxiliary plate (27) and a synchronous transmission combination (28), the rectangular heat dissipation auxiliary plate (27) and the rectangular positioning plate (21) are parallel, one end of the rectangular heat dissipation auxiliary plate (27) is rotatably connected with the other end of the rectangular heat dissipation plate (22) and a torsion spring is arranged at the rotary connection position, the rectangular heat dissipation auxiliary plate (27) and the rectangular heat dissipation plate (22) on the rectangular positioning plate (21) form an M shape in a horizontal state, and the synchronous transmission combination (28) is arranged on the rectangular positioning plate (21) and is matched with the adjacent rectangular heat dissipation auxiliary plate (27) and the adjacent rectangular heat dissipation plate (22).
6. The polarized fiber laser with high heat dissipation efficiency as claimed in claim 5, characterized in that the synchronous drive combination (28) comprises a drive ring gear (281) and a drive gear (282), the transmission gear ring (281) is fixedly sleeved at one end of the positioning sleeve (221) opposite to the rectangular positioning plate (21), the transmission gear rings (281) positioned at two sides of the sliding block (23) are engaged, one side of the rectangular positioning plate (21) is fixedly connected with a suspension shaft (213) which is rotationally connected with a transmission gear (282), the transmission gear (282) is meshed with the transmission gear ring (281), one side of the transmission gear ring is fixedly connected with a shifting arm (2821), the free end of the shifting arm (2821) is rotationally connected with a roller (28211) which is contacted with one side of the rectangular heat radiation auxiliary plate (27) which faces to the rectangular heat radiation plate (22), one side of the rectangular positioning plate (21) is also fixedly connected with a limit stop shaft (214) which is matched with the shifting arm (2821).
7. The polarized fiber laser with the high-efficiency heat dissipation function as claimed in claim 6, wherein a rectangular positioning hole (12) detachably connected with the rectangular positioning plate (21) is formed in a side wall of the outer housing (1), and an insertion hole (231) detachably connected with the traction shaft (31) is formed at one end of the sliding block (23).
CN202210394229.2A 2022-04-15 2022-04-15 Polarized fiber laser with high-efficient heat dissipation function Active CN114520455B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116646807A (en) * 2023-07-27 2023-08-25 中久光电产业有限公司 Narrow linewidth fiber laser packaging hardware

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