CN212628910U - Novel plug-in type structure photoelectric system platform - Google Patents
Novel plug-in type structure photoelectric system platform Download PDFInfo
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- CN212628910U CN212628910U CN202021580009.1U CN202021580009U CN212628910U CN 212628910 U CN212628910 U CN 212628910U CN 202021580009 U CN202021580009 U CN 202021580009U CN 212628910 U CN212628910 U CN 212628910U
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Abstract
The utility model provides a novel plug-in components formula structure's optoelectronic system platform, its characterized in that: the photoelectric system platform comprises a metal plug-in box; the plurality of plug-in units are arranged in the plug-in box in a pluggable installation mode through the guide rail, the plurality of plug-in units are of metal box-shaped structures, and optical or electrical interfaces are arranged on the backs of the plug-in units; a power supply and control module is installed in one plug-in unit, optical and electric component modules are arranged in other plug-in units, and the power supply and control module is used for being connected with external power supply and communication, providing required power supply for the optical and electric component modules in other plug-in units, establishing communication with the optical and electric component modules, and realizing real-time monitoring; and a fan module is further arranged in the plug-in box and is provided with a front air inlet channel and a rear air outlet channel. The utility model discloses the integrated level is high, the commonality is strong, electromagnetic compatibility excellent performance, good heat dissipation, short time can reach thermal balance and the inside difference in temperature is less.
Description
Technical Field
The utility model relates to a photovoltaic system field specifically is a photovoltaic system platform of novel plug-in components formula structure.
Background
In general photoelectric system, equipment adopts alloy section bar mosaic structure machine case more, is the quick-witted case that comprises about by the curb plate about with bottom plate and front and back panel promptly, and is mostly a quick-witted case of equipment, and this kind of mode realizes comparatively simply, but has more defect.
The mode that equipment uses a machine box can not achieve high integration of an optoelectronic system in the aspect of system integration, the requirement on the integration level of the optoelectronic system is higher and higher nowadays, and the scheme is difficult to be suitable for the integration design of the optoelectronic system with smaller space.
Gaps are easily generated at the joint surfaces of the spliced structure case, electromagnetic leakage is easily generated, the electromagnetic shielding effect on internal devices is poor, and the complex electromagnetic environment requirement in a large integrated photoelectric system cannot be met. Many devices in the optoelectronic system are sensitive to electromagnetic interference, and the performance of the optoelectronic devices in the optoelectronic system is reduced due to electromagnetic radiation interference or conducted interference of the external environment and electromagnetic interference among modules in the system, and even the failure of some key devices causes system paralysis.
Photoelectric components in the case equipment generally radiate heat through a fan on the back of the case, but because the internal space of the case is large, the air duct design is difficult to achieve full coverage, and the temperature difference of all parts in the case is large. The performance of most optical components in the optoelectronic system is greatly affected by temperature, and the change of the temperature can cause the central wavelength shift and the insertion loss of the optical components to be large, and the optical performance of the system is reduced.
Therefore, a photoelectric system platform with high integration level, strong universality, excellent electromagnetic compatibility, good heat dissipation performance, short-time heat balance and small internal temperature difference is needed in the market.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel photovoltaic system platform of plug-in components formula structure, make it can have the requirement that the commonality is strong, electromagnetic compatibility is excellent, good heat dissipation concurrently, its concrete structure is:
the utility model provides a novel plug-in components formula structure's optoelectronic system platform which characterized in that: the photovoltaic system platform comprises a metal plug box (1); the plurality of plug-in units (3) are arranged in the plug-in box (1) in a pluggable installation mode through guide rails (12), the plurality of plug-in units (3) are of metal box-shaped structures, and optical or electrical interfaces are arranged on the back of each plug-in unit (3); a power supply and control module (2) is installed in one plug-in unit, optical and electric component modules are arranged in other plug-in units (3), the power supply and control module (2) is used for being connected with external power supply and communication, providing required power supply for the optical and electric component modules in other plug-in units (3), establishing communication with the optical and electric component modules, and realizing real-time monitoring; still be equipped with fan module (4) in subrack (1), be equipped with preceding air inlet, back air-out wind channel.
Further, metal optical fiber box (5) and driver circuit board (6) are installed with photoelectric separation's mode inside plug-in components (3) that are provided with light, electric components module, the plug-in components are equipped with air intake (7) and air outlet (8), the position that is close to air intake (7) is installed in metal optical fiber box (5), the position that is close to air outlet (8) is installed in driver circuit board (6).
Further, the metal optical fiber box (5) is provided with a cooling fin.
Furthermore, an air inlet (7) and an air outlet (8) of the plug-in unit are round small holes.
Furthermore, the back of the metal plug box (1) of the photoelectric system platform is provided with a circuit backboard for wiring.
Further, the guide rail (12) is a flat strip metal wide guide rail.
The utility model discloses bring following beneficial effect:
1. the plug-in box and the plug-in units which can be plugged in the plug-in box form a double-layer shielding structure design in the electromagnetic field shielding structure, the metal plug-in units form an inner shield, and the metal plug-in box platform framework forms an outer shield. The double-layer shielding structure can enhance the conductive continuity of the structural member, increase the electromagnetic attenuation between the inner shielding body and the outer shielding body, reduce electromagnetic leakage and improve the overall electromagnetic compatibility of the photoelectric system platform.
2. The plug-in box adopts the metal envelope skeleton that heat conductivility is good, and preceding air inlet, back air-out wind channel design reduces noise and consumption when guaranteeing the radiating effect through fan module. The guide rail at the bottom of the plug-in box adopts a flat strip-shaped wide guide rail to increase the contact area of the guide rail, and the guide rail is in close contact with the plug-in unit, so that the heat transfer from the plug-in unit to the shell of the plug-in unit is realized. The fan module air duct heat dissipation and the guide rail shell simultaneously and quickly dissipate heat to ensure that the heat balance inside the plug-in box is achieved within a short time.
3. The plug-in structure is modularized inside, and meanwhile the universality of the plug-in structure for different optical components is guaranteed. The optical or electrical interface is designed on the back of the plug-in, the type and the number of the interface can be designed according to different conditions, and the universality and the expandability of the platform are ensured from the angle of the type and the number of the interface.
4. The plug-in components have the design of front air inlet and rear air outlet channels, and the ventilation openings adopt small round holes to replace strip-shaped square holes, so that the electromagnetic leakage is reduced. The plug-in components adopt a photoelectric separation structure layout, the light path module is close to the air inlet and is packaged inside the optical fiber box, and the influence of micro-vibration generated by the air channel on the internal optical fibers on the stability of the light path is avoided. The bottom of the optical fiber box is provided with the radiating fins, so that the obstruction to an air duct is avoided, and the heat dissipation of an internal heating device is facilitated. The circuit module is close to the air outlet, is convenient for being connected with the backboard module in a plugging and butting mode, and is beneficial to timely heat dissipation.
To sum up, a novel optoelectronic system platform of plug-in components formula structure, but utilize plug-in components and plug-in box's plug installation to and the supervisory mode of embedding power and control module, solve platform commonality and expansibility problem, utilize "double-deck shielding structure design" shielding electromagnetic radiation, solve because of the radiation interference of outside electromagnetic interference source radiation and inside each intermodule of platform causes module communication and automatically controlled inefficacy problem, utilize reasonable heat dissipation design simultaneously, the inside short time of platform reaches the thermal balance effect, it causes optical components and parts performance variation problem to solve the temperature variation.
Drawings
FIG. 1 is a schematic diagram of a photovoltaic system platform;
FIG. 2 is a schematic structural view of the insert box;
FIG. 3 is an external schematic view of a card housing a power and control module;
FIG. 4 is an external schematic view of a package configured with an opto-electronic component module;
FIG. 5 is a transverse cross-sectional view of the card housing with the opto-electronic component module inserted into the card cage;
FIG. 6 is a schematic view of the internal structure of the insert of FIG. 4;
description of reference numerals:
1. inserting a box; 2. a power supply and control module; 3. a plug-in; 4. a fan; 5. a metal optical fiber box; 6. a drive circuit board; 7. an air inlet; 8. an air outlet; 9. a guide rail groove; 10. a subrack housing; 11. reinforcing ribs; 12. a guide rail; 13. a fan fixing plate; 14. a box handle; 16. a front panel of the insert; 17. a card rear panel; 18. two side panels of the plug-in.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
A novel photovoltaic system platform of plug-in components formula structure, mainly use to the higher photovoltaic system of integration requirement, structural design has adopted the modular design, its structure is as shown in figure 1, mainly include subrack 1, power and control module 2 and plug-in components 3.
The structure of the plug-in box 1 is as shown in fig. 2, and comprises a plug-in box shell 10, a guide rail 12 and a fan fixing plate 13, wherein the plug-in box shell 10 is a shell made of aluminum alloy, the interior of the shell is used for installing the power supply and control module 2 and the plug-in unit 3, and reinforcing ribs 11 can be arranged on the side faces of the plug-in box shell 10 to improve the strength of the plug-in box. The plug-in box 1 is internally provided with a plurality of metal guide rails 12 which are mainly used for realizing the plugging and unplugging of the plug-in components 3 and the power supply and control module 2 and play a certain role in heat conduction. Fan fixed plate 13 mainly used platform radiator fan's fixed, a novel photovoltaic system platform of plug-in components formula structure fan 4 for can dismantle the module, place behind the subrack, it is fixed through fan fixed plate 4.
The plug-in 3 is designed to be of a unified structure and interface as shown in fig. 4, and is used for inserting the plug-in, and can be plugged and butted from any slot position, so that the configuration freedom of the whole photoelectric system platform is realized, and meanwhile, the number and the positions of the plug-in modules in the photoelectric system platform can be adjusted according to different requirements of the photoelectric system, so that the universality and the expansibility of the platform are enhanced.
The plug-in box 1 adopts a double-layer shielding structure design in an electromagnetic field shielding structure as shown in fig. 2, can be designed by using an aluminum alloy material with higher conductivity and lighter weight, and is formed by an inner shield formed by a plug-in structure wrapped by full aluminum alloy and an outer shield formed by an aluminum alloy metal plate designed plug-in box platform frame.
The inserting box 1 adopts an aluminum alloy metal enveloping framework with excellent heat conducting performance, and is designed with a front air inlet duct and a rear air outlet duct. The fan assembly 4 may also have a temperature control design to adjust the rotation speed according to different internal temperatures, so as to reduce noise and power consumption while ensuring heat dissipation, as shown in fig. 5
The guide rail 12 at the bottom of the plug-in box 1 as shown in fig. 2 can adopt a flat strip-shaped wide guide rail to replace the traditional narrow-groove guide rail 12, increase the contact area of the guide rail, and be in close contact with the plug-in 3, so as to realize the heat transfer from the heat of the plug-in 3 to the plug-in box shell 10 as shown in fig. 5. The fan module 4 dissipates heat through the air duct and the guide rail 12 shell quickly at the same time, so that the heat balance in the plug box is ensured in a short time.
The plug-in 3 adopts a structure of all-metal wrapping with uniform size as shown in fig. 4, and can be butted with the plug-in box 1 from any slot. Meanwhile, the interior of the plug-in is uniformly divided according to the principle of photoelectric separation as shown in fig. 6, wherein the metal optical fiber box 5 is mainly used for placing various optical components and optical welding heat-shrinkable tubes and the like, and meanwhile, the bottom of the metal box can be provided with a heat sink, so that the rapid heat dissipation of the optical components in the metal box is realized; the driving circuit board 6 is mainly used for driving optical components of the plug-in service disk, ensuring communication with a power supply and a control module and monitoring the working state of the photoelectric module of the plug-in service disk in real time.
The plug-in 3 is modularized inside, and meanwhile, the universality of the plug-in structure for different optical components is guaranteed. The optical or electrical interface is designed on the back of the plug-in, the type and the number of the interface can be designed according to different optical components, and the universality and the expansibility of the platform can be ensured from the aspect of the type and the number of the interface.
The insert 3 is an aluminum alloy metal-wrapped framework with excellent heat conduction and electric conduction performance, and is designed with a front air inlet duct and a rear air outlet duct as shown in fig. 6. The main heating device is connected with the metal envelope shell through the radiator, so that the heat dissipation area is increased, and the local overhigh temperature is avoided; the contact gap between the heating device and the heat dissipation device can be coated with heat-conducting silicone grease with proper thickness, so that the contact thermal resistance is reduced. The plug-in components adopt a photoelectric separation structure layout, the light path module is close to the air inlet and is packaged inside the optical fiber box, and the influence of micro-vibration generated by the air channel on the internal optical fibers on the stability of the light path is avoided. The bottom of the optical fiber box is provided with the radiating fins, so that the obstruction to an air duct is avoided, and the heat dissipation of an internal heating device is facilitated. The circuit module is close to the air outlet, is convenient for being connected with the backboard module in a plugging and butting mode, and is beneficial to timely heat dissipation.
For better illustration of the present invention, the following description is further provided in conjunction with specific embodiments.
Example 1:
the plug-in box 1 of the embodiment adopts a 19-inch 4U case, and meanwhile, a handle is arranged on the front panel of the plug-in box as shown in figure 1, so that the plug-in box is convenient to move, load and unload; the uniform back wiring mode is adopted, so that uniform wiring during installation and use on the rack is facilitated. The structure of the plug-in box 1 adopts a modular design and consists of a plug-in box platform 1, a fan module 4, a power supply and control module 2 and 8 universal plug-in units 3. The plug-in 3 is designed to be of a uniform structure and interface, and can be plugged and butted from any slot position.
The plug-in box 1 adopts a double-layer shielding structure design in an electromagnetic field shielding structure, an inner shield is formed by a plug-in structure wrapped by full aluminum alloy with the thickness of 2mm, and an outer shield is formed by an aluminum alloy metal plate design plug-in box platform frame with the thickness of 4 mm. The double-layer shielding structure can enhance the conductive continuity of the structural member, increase the electromagnetic attenuation between the inner screen body and the outer screen body, reduce electromagnetic leakage and improve the overall electromagnetic compatibility of the photoelectric system platform.
The fan assembly 4 in the plug-in box 1 is provided with a temperature control design, so that the rotating speed can be adjusted according to different internal temperatures, the heat dissipation effect is ensured, and the noise and the power consumption are reduced; the guide rail at the bottom of the plug-in box 1 is a flat strip-shaped wide guide rail, so that the contact area of the guide rail is increased, the guide rail is in close contact with the plug-in 3, and the heat transfer from the plug-in 3 to the plug-in box shell 10 is realized. The heat dissipation of the air duct and the heat dissipation of the guide rail are simultaneously and quickly carried out, so that the heat balance in the plug-in box is ensured in a short time.
The plug-in 3 adopts the structure of the all-metal parcel of uniform size, can follow arbitrary slot and subrack butt joint. Meanwhile, the interior of the plug-in is uniformly divided according to the principle of photoelectric separation, an optical fiber amplifier is placed in a metal box with a radiating fin at the bottom, and an optical interface and an electrical interface are designed at the back of the plug-in 3.
The insert 3 adopts an aluminum alloy full-wrapping structure with high conductivity, and has high conductivity continuity and high electromagnetic resistance; the vent 8 adopts a small round hole, which is beneficial to reducing electromagnetic leakage.
The interior of the plug-in 3 is designed into a front air inlet duct and a rear air outlet duct as shown in figure 6; the optical fiber amplifier is connected with the metal envelope shell through the radiator, so that the radiating area is increased, and the local overhigh temperature is avoided; and heat-conducting silicone grease with proper thickness is coated on a contact gap between the heating device and the heat dissipation device, so that the contact thermal resistance is reduced. The plug-in components adopt a photoelectric separation structure layout, the light path module is close to the air inlet and is packaged inside the optical fiber box, and the influence of micro-vibration generated by the air channel on the internal optical fibers on the stability of the light path is avoided. The bottom of the metal optical fiber box 5 is provided with a radiating fin design, so that the obstruction to an air duct is avoided, and the heat dissipation of an internal heating device is facilitated. The circuit module is close to the air outlet, is convenient for being connected with the backboard module in a plugging and butting mode, and is beneficial to timely heat dissipation.
The present embodiment was subjected to an electromagnetic compatibility environment test by inspection. The performance judgment grade of the platform in the test process is shown in table 1, and the standard basis, related criteria and test results referred by each test are shown in table 2. The photoelectric system platform carries out 5 tests according to detailed standards and criteria, and the test results are all passed. The utility model discloses electromagnetic compatibility excellent performance satisfies the electromagnetic compatibility requirement of telecommunication equipment rank completely, can satisfy most all kinds of optical system device platform environmental service requirement.
Table 1 test performance criterion table for electromagnetic compatibility of photoelectric system platform
Table 2 electro-optical system platform electromagnetic compatibility test meter
In this embodiment, under the condition that the optical device of metal fiber box 5 is fiber amplifier, the actual measurement of temperature in plug-in 3 under the normal use condition is carried out, for the comprehensive nature of the temperature of guaranteeing to test, has 4 temperature measurement points altogether, and wherein measurement point 1 is drive circuit board 6 top air temperature, and measurement point 2 is pumping surface temperature, and measurement point 3 is back optical interface air temperature, and measurement point 4 is the inside air temperature of metal fiber box 5. Under the conditions that the room temperature is 22.8 ℃, the pumping working current of the optical fiber amplifier is 360mA, and the working current of the TEC is 200mA, after 4 measurement points in the optical fiber amplifier plug-in unit of the embodiment work for 13 minutes, the temperatures of the 4 measurement points in the plug-in unit 3 are basically balanced, and after 30 minutes, the maximum temperature difference of the 4 measurement points is less than 2 ℃.
In conclusion, the photoelectric system platform has excellent heat dissipation performance, has the capability of reaching the heat balance in the platform within less than 15 minutes, has small temperature difference of each point in the plug-in unit, is generally less than 2 ℃, and meets the requirement of each optical component in the optical system on the temperature stability.
A novel photovoltaic system platform of plug-in components formula structure, the double-deck shielding structure that its subrack adopted can strengthen the conductive continuity of structure, increase the electromagnetic attenuation between the interior outer screen body, reduce the electromagnetism and reveal, improve the whole electromagnetic compatibility of photovoltaic system platform. The plug-in adopts an aluminum alloy full-wrapping structure with high conductivity, and has high conductivity continuity and good electromagnetic resistance; the small round hole is adopted for replacing a strip-shaped square hole in the ventilation opening of the plug-in unit, so that electromagnetic leakage is reduced; the embedded controller management mode is utilized to solve the problems of platform universality and expansibility, and meanwhile, a reasonable heat dissipation design is utilized, the heat balance effect is achieved in the platform in a short time, and the problem of performance change of optical components caused by temperature change is solved.
The present invention is not limited to the above embodiments, and those skilled in the art can implement the present invention in various other embodiments according to the disclosure of the present invention, and the protection scope of the present invention is defined by the following claims.
Claims (6)
1. The utility model provides a novel plug-in components formula structure's optoelectronic system platform which characterized in that: the photovoltaic system platform comprises a metal plug box (1); the plurality of plug-in units (3) are arranged in the plug-in box (1) in a pluggable installation mode through guide rails (12), the plurality of plug-in units (3) are of metal box-shaped structures, and optical or electrical interfaces are arranged on the back of each plug-in unit (3); a power supply and control module (2) is installed in one plug-in unit, optical and electric component modules are arranged in other plug-in units (3), the power supply and control module (2) is used for being connected with external power supply and communication, providing required power supply for the optical and electric component modules in other plug-in units (3), establishing communication with the optical and electric component modules, and realizing real-time monitoring; still be equipped with fan module (4) in subrack (1), be equipped with preceding air inlet, back air-out wind channel.
2. A new plug-in structure optoelectronic system platform as claimed in claim 1, wherein: the metal optical fiber box (5) and the drive circuit board (6) are installed inside the plug-in unit (3) provided with the optical and electrical component modules in a photoelectric separation mode, the plug-in unit is provided with an air inlet (7) and an air outlet (8), the metal optical fiber box (5) is installed at the position close to the air inlet (7), and the drive circuit board (6) is installed at the position close to the air outlet (8).
3. A new plug-in structure optoelectronic system platform as claimed in claim 2, wherein: the metal optical fiber box (5) is provided with a radiating fin.
4. A new plug-in optoelectronic system platform according to claim 2 or 3, wherein: and the air inlet (7) and the air outlet (8) of the plug-in are round small holes.
5. A new plug-in optoelectronic system platform according to claim 2 or 3, wherein: the photoelectric system platform is provided with a circuit backboard at the back of the metal plug box (1) for wiring.
6. A new plug-in configuration of an optoelectronic system platform according to claim 2 or 3, characterized in that the guide rail (12) is a wide flat strip metal guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021580009.1U CN212628910U (en) | 2020-08-03 | 2020-08-03 | Novel plug-in type structure photoelectric system platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021580009.1U CN212628910U (en) | 2020-08-03 | 2020-08-03 | Novel plug-in type structure photoelectric system platform |
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| Publication Number | Publication Date |
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| CN212628910U true CN212628910U (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021580009.1U Active CN212628910U (en) | 2020-08-03 | 2020-08-03 | Novel plug-in type structure photoelectric system platform |
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- 2020-08-03 CN CN202021580009.1U patent/CN212628910U/en active Active
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