CN210273005U - Multi-pumping gain flat Raman fiber amplifier based on different fiber phase cascades - Google Patents
Multi-pumping gain flat Raman fiber amplifier based on different fiber phase cascades Download PDFInfo
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- CN210273005U CN210273005U CN201921128289.XU CN201921128289U CN210273005U CN 210273005 U CN210273005 U CN 210273005U CN 201921128289 U CN201921128289 U CN 201921128289U CN 210273005 U CN210273005 U CN 210273005U
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- fiber amplifier
- raman fiber
- heat
- box body
- heat dissipation
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Abstract
The utility model discloses a flat raman fiber amplifier of many pump gains based on different optic fibre cascades, concretely relates to fiber communication field's transmission equipment, comprises a box bod, the inside raman fiber amplifier body that is provided with of box body, raman fiber amplifier body top is provided with the heat-conducting plate, the box body top is provided with the apron, the apron top is provided with the heat dissipation chamber, the box body both sides all are provided with the hole, raman fiber amplifier body bottom is provided with the backup pad. The utility model discloses a be equipped with refrigeration piece and heat dissipation chamber, the heat that the inside photoelectric device of raman fiber amplifier body gived off forces to be dispelled the heat for the radiating block by the refrigeration piece transmission to realize the thermostatic control of pumping laser, because the box body is inside to be sealed setting, thereby can avoid outside dust to enter into inside the box body, thereby guarantee the stability of raman fiber amplifier body during operation.
Description
Technical Field
The utility model relates to a transmission equipment in fiber communication field, more specifically say, the utility model relates to a many pumping gain flat raman fiber amplifier based on different optic fibre cascades mutually.
Background
In fiber optic communication systems, two important transmission characteristics that affect the maximum relay distance are loss and dispersion on the fiber line; in order to ensure the reliability of transmission quality on long-distance optical fiber trunk lines, an optical fiber amplifier is required to be arranged at a proper position on the line. The conventional fiber amplifiers at present are erbium-doped fiber amplifiers and raman fiber amplifiers.
The Raman fiber amplifier mainly comprises a photoelectric device and a structural device, a pump in the photoelectric device is greatly influenced by working temperature, when the power of the Raman fiber amplifier is high, the pumping power consumption is high, the heat dissipation performance influences the working stability of the pump, and further the stability of the output light power of the Raman fiber amplifier is directly influenced, so that the Raman fiber amplifier needs to have good heat dissipation on the pump, and is in a normal working temperature range.
In addition, the existing raman optical fiber amplifier adopts a fan for heat dissipation, but the heat dissipation efficiency of the fan is low, heat is easy to accumulate inside the raman optical fiber amplifier, so that a photoelectric device inside the raman optical fiber amplifier is damaged, and fine dust is easy to enter the raman optical fiber amplifier from a fan port, so that the normal work of the raman optical fiber amplifier is influenced.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a flat raman fiber amplifier of multi-pump gain based on different optic fibre cascades, the utility model discloses a be equipped with refrigeration piece and heat dissipation chamber, under the effect of refrigeration piece cold face, the heat-conducting plate can with contain the quick cold and hot exchange that carries on of thermal air to keep the invariant of the inside temperature of box body.
In order to achieve the above object, the utility model provides a following technical scheme: the multi-pump gain flat Raman fiber amplifier based on different optical fiber cascades comprises a box body, wherein a Raman fiber amplifier body is arranged inside the box body, a heat conducting plate is arranged at the top of the Raman fiber amplifier body, a cover plate is arranged at the top of the box body, a heat dissipation cavity is arranged at the top of the cover plate, holes are formed in two sides of the box body, and a supporting plate is arranged at the bottom of the Raman fiber amplifier body;
the top of the heat conducting plate is provided with a refrigerating sheet, the refrigerating sheet comprises a cold surface and a hot surface, the cold surface at the bottom of the refrigerating sheet is fixedly connected with the heat conducting plate through heat conducting silicone grease, the hot surface above the refrigerating sheet is provided with a heat radiating block, the hot surface of the refrigerating sheet is fixedly connected with the heat radiating block through heat conducting silicone grease, the refrigerating sheet is embedded in the cover plate, and the top of the heat radiating block penetrates through a heat radiating cavity;
the heat dissipation cavity is fixed on the cover plate, liquid is arranged in the heat dissipation cavity, the flow distribution plate is arranged in the heat dissipation cavity, the liquid one-way valve is arranged between the bottom of the flow distribution plate and the heat dissipation cavity, and the heat dissipation fins are arranged at the top of the heat dissipation cavity;
the rubber pad is arranged in the hole, and two sides of the rubber pad are obliquely arranged.
In a preferred embodiment, the raman fiber amplifier body is fixed on a support plate through bolts, the bottom of the support plate is provided with a spring, and the support plate is fixed on the inner wall of the box body.
In a preferred embodiment, the support plate is internally provided with heat dissipation holes.
In a preferred embodiment, the cover plate is bolted to the box body by bolts.
In a preferred embodiment, the thermally conductive plate and the heatslug are both made of copper material.
In a preferred embodiment, the aperture communicates with the interior of the cartridge.
In a preferred embodiment, the raman fiber amplifier body includes an optoelectronic device therein.
In a preferred embodiment, the heat dissipating fins are made of a copper sheet.
The utility model discloses a technological effect and advantage:
1. the utility model is provided with the refrigerating sheet and the heat dissipation cavity, under the action of the cold surface of the refrigerating sheet, the heat conduction plate can rapidly exchange heat with air containing heat, thereby keeping the temperature inside the box body constant, because the density of the liquid at normal temperature is larger than that of the liquid after heating up, the liquid can continuously rotate circularly, when the liquid flows to the bottom of the heat dissipation fin, the heat dissipation fin can absorb the heat contained in the liquid, thereby cooling the liquid, thereby forming cooling circulation, when the optical fiber passes through the hole on the box body, the rubber pad inside the hole can deform and extrude the optical fiber, thereby realizing the sealing effect, the utility model discloses, the heat emitted by the photoelectric device inside the Raman optical fiber amplifier body can be forcibly transmitted to the heat dissipation block by the refrigerating sheet to dissipate heat, thereby realizing the constant temperature control of the pump laser, because the inside of the box body is arranged in a sealing way, therefore, external dust can be prevented from entering the box body, and the stability of the Raman fiber amplifier body during working is ensured;
2. the utility model discloses a be equipped with the backup pad, raman fiber amplifier body is fixed in the backup pad, and when taking place vibrations, the spring of backup pad bottom can stretch out and draw back and take place deformation to play the cushioning effect to raman fiber amplifier body, avoid raman fiber amplifier body direct and box body rigidity collision, improve the local life of raman fiber amplifier body, the inside louvre that is provided with of backup pad, thereby improve raman fiber amplifier body bottom photoelectric device's radiating efficiency.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an enlarged schematic view of a portion a of fig. 1 according to the present invention.
Fig. 3 is an enlarged schematic view of a portion B in fig. 1 according to the present invention.
Fig. 4 is a sectional view of the hole of the present invention.
Fig. 5 is a perspective view of the box structure of the present invention.
The reference signs are: the Raman fiber amplifier comprises a box body 1, a Raman fiber amplifier body 2, a heat conducting plate 3, a cover plate 4, a heat dissipation cavity 5, holes 6, a supporting plate 7, a refrigerating sheet 8, a heat dissipation block 9, a flow distribution plate 10, a liquid one-way valve 11, heat dissipation fins 12, springs 13, heat dissipation holes 14, heat dissipation holes 66 and a rubber pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a many pump gain flat raman fiber amplifier based on different optic fibre cascades, including box body 1, the inside raman fiber amplifier body 2 that is provided with of box body 1, raman fiber amplifier body 2 top is provided with heat-conducting plate 3, box body 1 top is provided with apron 4, apron 4 top is provided with heat dissipation chamber 5, box body 1 both sides all are provided with hole 6, raman fiber amplifier body 2 bottom is provided with backup pad 7;
the refrigerator is characterized in that a refrigerating piece 8 is arranged at the top of the heat conducting plate 3, the refrigerating piece 8 comprises a cold surface and a hot surface, the cold surface at the bottom of the refrigerating piece 8 is fixedly connected with the heat conducting plate 3 through heat conducting silicone grease, a radiating block 9 is arranged on the hot surface above the refrigerating piece 8, the hot surface of the refrigerating piece 8 is fixedly connected with the radiating block 9 through heat conducting silicone grease, the refrigerating piece 8 is embedded in the cover plate 4, and the top of the radiating block 9 penetrates through the radiating cavity 5;
the heat dissipation cavity 5 is fixed on the cover plate 4, liquid is arranged in the heat dissipation cavity 5, the flow distribution plate 10 is arranged in the heat dissipation cavity 5, the liquid one-way valve 11 is arranged between the bottom of the flow distribution plate 10 and the heat dissipation cavity 5, and the top of the heat dissipation cavity 5 is provided with the heat dissipation fins 12;
a rubber pad 66 is arranged in the hole 6, and two sides of the rubber pad 66 are obliquely arranged.
As shown in fig. 1 to 5, the embodiment specifically is: when the Raman fiber amplifier is used, the photoelectric device in the Raman fiber amplifier body 2 can emit heat, the heat can be transmitted to the air outwards, the heat conducting plate 3 is fixed on the cold surface of the refrigerating plate 8, the heat conducting plate 3 is arranged above the Raman fiber amplifier body 2, after the refrigerating plate 8 is electrified, the temperature difference of dozens of degrees centigrade is formed between the cold surface and the hot surface of the refrigerating plate 8, the temperature of the heat conducting plate 3 is lower under the action of the cold surface of the refrigerating plate 8, the heat conducting plate 3 can improve the contact area with the air, the heat conducting plate 3 can rapidly exchange heat and cold with the air containing the heat, so that the constant temperature in the box body 1 is kept, the absorbed heat can be transmitted to the radiating block 9 through the hot surface by the radiating block 8, the heat can be transmitted to the radiating cavity 5 by the radiating block 9, and the liquid is filled in the cavity 5, so that the radiating block 9 can rapidly transmit the, the temperature of liquid can rise gradually and density will diminish, because liquid density under the normal atmospheric temperature is greater than the density of the back liquid that heaies up, thereby can make liquid take place to flow, under the effect of liquid check valve 11 and flow distribution plate 10, make the circulation that liquid can not stop rotate, when liquid flows radiating fin 12 bottom, radiating fin 12 can absorb the heat that contains in the liquid, thereby cool down for liquid, thereby form cooling cycle, sustainable work of dispelling the heat, when optic fibre passes hole 6 on the box body 1, deformation can take place for the rubber pad 66 of hole 6 inside, and extrude optic fibre, thereby realize sealed effect, can avoid the dust to enter into box body 1 inside from hole 6.
The Raman fiber amplifier comprises a Raman fiber amplifier body 2 and is characterized in that the Raman fiber amplifier body 2 is fixed on a supporting plate 7 through a bolt, a spring 13 is arranged at the bottom of the supporting plate 7, the supporting plate 7 is fixed on the inner wall of a box body 1, heat dissipation holes 14 are formed in the supporting plate 7, a cover plate 4 is fixedly bolted with the box body 1 through bolts, a heat conduction plate 3 and a heat dissipation block 9 are made of copper materials, the holes 6 are communicated with the interior of the box body 1, a photoelectric component is arranged in the Raman fiber amplifier body 2, and heat dissipation fins 12 are made of copper.
As shown in fig. 1, the embodiment specifically includes: raman fiber amplifier body 2 is fixed in backup pad 7, and when taking place vibrations, the spring 13 of backup pad 7 bottom can stretch out and draw back and take place deformation to play the cushioning effect to Raman fiber amplifier body 2, avoid Raman fiber amplifier body 2 directly to take place the rigidity with box body 1 and collide, improve Raman fiber amplifier body 2 local life, backup pad 7 is inside to be provided with louvre 14, thereby improve Raman fiber amplifier body 2 bottom photoelectric device's radiating efficiency.
The utility model discloses the theory of operation:
referring to the attached drawings 1-5 of the specification, the photoelectric device inside the raman optical fiber amplifier body 2 can radiate heat, the heat can be transmitted to the air outwards, because the cold surface of the refrigeration sheet 8 is fixed with the heat conducting plate 3, and the heat conducting plate 3 is arranged above the raman optical fiber amplifier body 2, after the refrigeration sheet 8 is electrified, the temperature difference between the cold surface and the hot surface of the refrigeration sheet 8 can be dozens of degrees centigrade, under the action of the cold surface of the refrigeration sheet 8, the temperature of the heat conducting plate 3 can be lower, because the heat conducting plate 3 can improve the contact area with the air, the heat conducting plate 3 can rapidly exchange heat and cold with the air containing heat, thereby keeping the temperature inside the box body 1 constant, the refrigeration sheet 8 can transmit the absorbed heat to the heat radiating block 9 through the hot surface, the heat radiating block 9 can transmit the heat to the heat radiating cavity 5, because the heat radiating cavity 5 is filled with liquid, the heat radiating block 9 can rapidly, the temperature of the liquid can be gradually increased and the density of the liquid can be reduced, because the density of the liquid at normal temperature is higher than that of the liquid after temperature rise, the liquid can flow, under the action of the liquid one-way valve 11 and the flow distribution plate 10, the liquid can continuously rotate in a circulating manner, when the liquid flows to the bottom of the radiating fins 12, the radiating fins 12 can absorb heat contained in the liquid, so that the liquid is cooled, a cooling circulation is formed, when the optical fiber passes through the hole 6 on the box body 1, the rubber pad 66 in the hole 6 can deform and extrude the optical fiber, and therefore the sealing effect is achieved;
referring to the attached figure 1 of the specification, the raman optical fiber amplifier body 2 is fixed on the supporting plate 7, and when vibration occurs, the spring 13 at the bottom of the supporting plate 7 can stretch and deform, so that the raman optical fiber amplifier body 2 is buffered, and the raman optical fiber amplifier body 2 is prevented from directly colliding with the box body 1 in a rigid mode.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The multi-pumping gain flat Raman fiber amplifier based on different fiber cascades comprises a box body (1) and is characterized in that: a Raman fiber amplifier body (2) is arranged in the box body (1), a heat conducting plate (3) is arranged at the top of the Raman fiber amplifier body (2), a cover plate (4) is arranged at the top of the box body (1), a heat dissipation cavity (5) is arranged at the top of the cover plate (4), holes (6) are formed in two sides of the box body (1), and a supporting plate (7) is arranged at the bottom of the Raman fiber amplifier body (2);
the refrigerator is characterized in that a refrigerating sheet (8) is arranged at the top of the heat conducting plate (3), the refrigerating sheet (8) comprises a cold surface and a hot surface, the cold surface at the bottom of the refrigerating sheet (8) is fixedly connected with the heat conducting plate (3) through heat-conducting silicone grease, a radiating block (9) is arranged on the hot surface above the refrigerating sheet (8), the hot surface of the refrigerating sheet (8) is fixedly connected with the radiating block (9) through heat-conducting silicone grease, the refrigerating sheet (8) is embedded in the cover plate (4), and the top of the radiating block (9) penetrates through the radiating cavity (5);
the heat dissipation cavity (5) is fixed on the cover plate (4), liquid is arranged in the heat dissipation cavity (5), a flow distribution plate (10) is arranged in the heat dissipation cavity (5), a liquid one-way valve (11) is arranged between the bottom of the flow distribution plate (10) and the heat dissipation cavity (5), and heat dissipation fins (12) are arranged at the top of the heat dissipation cavity (5);
a rubber pad (66) is arranged in the hole (6), and two sides of the rubber pad (66) are obliquely arranged.
2. The multi-pump gain flat raman fiber amplifier based on different fiber cascades of claim 1, wherein: the Raman fiber amplifier is characterized in that the Raman fiber amplifier body (2) is fixed on a support plate (7) through a bolt, a spring (13) is arranged at the bottom of the support plate (7), and the support plate (7) is fixed on the inner wall of the box body (1).
3. The multi-pump gain flat raman fiber amplifier based on different fiber cascades of claim 1, wherein: the support plate (7) is internally provided with heat dissipation holes (14).
4. The multi-pump gain flat raman fiber amplifier based on different fiber cascades of claim 1, wherein: the cover plate (4) is bolted and fixed with the box body (1) through bolts.
5. The multi-pump gain flat raman fiber amplifier based on different fiber cascades of claim 1, wherein: the heat conducting plate (3) and the radiating block (9) are both made of copper materials.
6. The multi-pump gain flat raman fiber amplifier based on different fiber cascades of claim 1, wherein: the hole (6) is communicated with the interior of the box body (1).
7. The multi-pump gain flat raman fiber amplifier based on different fiber cascades of claim 1, wherein: the Raman fiber amplifier body (2) comprises a photoelectric element inside.
8. The multi-pump gain flat raman fiber amplifier based on different fiber cascades of claim 1, wherein: the radiating fins (12) are made of copper sheets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921128289.XU CN210273005U (en) | 2019-07-17 | 2019-07-17 | Multi-pumping gain flat Raman fiber amplifier based on different fiber phase cascades |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921128289.XU CN210273005U (en) | 2019-07-17 | 2019-07-17 | Multi-pumping gain flat Raman fiber amplifier based on different fiber phase cascades |
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| Publication Number | Publication Date |
|---|---|
| CN210273005U true CN210273005U (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921128289.XU Expired - Fee Related CN210273005U (en) | 2019-07-17 | 2019-07-17 | Multi-pumping gain flat Raman fiber amplifier based on different fiber phase cascades |
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| CN (1) | CN210273005U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115469498A (en) * | 2022-09-06 | 2022-12-13 | 杭州志顶信息科技有限公司 | Distributed Raman fiber amplifier |
-
2019
- 2019-07-17 CN CN201921128289.XU patent/CN210273005U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115469498A (en) * | 2022-09-06 | 2022-12-13 | 杭州志顶信息科技有限公司 | Distributed Raman fiber amplifier |
| CN115469498B (en) * | 2022-09-06 | 2023-11-14 | 深圳市迅捷光通科技有限公司 | Distributed Raman fiber amplifier |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200407 Termination date: 20200717 |