CN220935187U - Optical fiber data transmission module, cabin control device and wind turbine generator main control system - Google Patents
Optical fiber data transmission module, cabin control device and wind turbine generator main control system Download PDFInfo
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- CN220935187U CN220935187U CN202322942093.7U CN202322942093U CN220935187U CN 220935187 U CN220935187 U CN 220935187U CN 202322942093 U CN202322942093 U CN 202322942093U CN 220935187 U CN220935187 U CN 220935187U
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 104
- 230000005540 biological transmission Effects 0.000 title claims abstract description 50
- 239000000835 fiber Substances 0.000 claims abstract description 67
- 238000006243 chemical reaction Methods 0.000 claims abstract description 41
- 230000000712 assembly Effects 0.000 claims abstract description 9
- 238000000429 assembly Methods 0.000 claims abstract description 9
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 description 16
- 238000004891 communication Methods 0.000 description 7
- 230000009466 transformation Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model provides an optical fiber data transmission module, a cabin control device and a wind turbine generator main control system, which belong to the technical field of wind power, wherein the optical fiber data transmission module comprises: the optical fiber interface conversion device comprises a shell, a coupler arranged in the shell and at least two optical fiber interface conversion units arranged on the surface of the shell; each fiber optic interface conversion unit is connected to the coupler and each fiber optic interface conversion unit includes a plurality of universal fiber optic interface assemblies configured to accommodate different types of fiber optic connectors. The main control system comprises a cabin control device and a tower bottom control device, and an optical fiber data transmission module is arranged on the cabin control device and the tower bottom control device. The optical fiber data transmission module provided by the utility model can be compatible with different optical fiber interfaces on site at the same time, and meets the requirement of simultaneous conversion of different types of optical fiber interfaces in a wind power plant.
Description
Technical Field
The utility model relates to the technical field of wind power, in particular to an optical fiber data transmission module, a cabin control device, a tower bottom control device and a wind turbine generator main control system.
Background
The main control system of the wind turbine generator is an important component of a fan, and is used for carrying out important tasks such as monitoring, automatic adjustment, maximum wind energy capture, good power grid compatibility assurance and the like on the fan, and mainly comprises a monitoring system, a main control system, a variable pitch control system and a variable frequency system (frequency converter). Generally, data transmission and communication in the wind turbine main control system are completed by the tower bottom and the nacelle. The main controller is positioned at the bottom of the tower, cabin data are transmitted to the bottom of the tower through optical fibers, the acquisition of the cabin data by the bottom controller is realized, and meanwhile, the main controller also transmits control instructions to a cabin system through the optical fibers.
For example, as shown in fig. 1, one data transmission mode existing in the current master control system of a wind turbine is: the main control system of the wind turbine generator of a certain brand is only provided with a network port, cabin data are transmitted to the photoelectric conversion module through a network cable, then the data are transmitted to the photoelectric conversion module at the bottom of the tower through an optical fiber, and finally the data are transmitted to the bottom controller.
However, as the wind power industry has grown rapidly, the number and size of wind power plants has grown increasingly, and both the tower bottom controllers and the main controllers used within the wind power plants have tended to be diversified. In order to ensure smooth transmission of wind power control data, field operation and maintenance personnel can only select the tower bottom controllers and the main controllers with the same type of optical fiber interfaces when the main control system of the wind turbine generator is arranged. The controller of the wind turbine main control system and related components thereof have the common problem of single selection, the construction cost, the transformation cost and other expenses cannot be reduced by replacing other types of controllers, the data exchange and the communication between the different types of wind turbine main control systems cannot be realized, and the joint operation and the management of a plurality of wind turbine units cannot be realized.
Disclosure of utility model
Aiming at the technical problem that data exchange and communication cannot be realized among different types of wind turbine generator main control systems in the prior art, the utility model provides an optical fiber data transmission module, a cabin control device and a wind turbine generator main control system.
To achieve the above object, a first aspect of the present utility model provides an optical fiber data transmission module, including: the optical fiber interface conversion device comprises a shell, a coupler arranged in the shell and at least two optical fiber interface conversion units arranged on the surface of the shell; each optical fiber interface conversion unit is connected with the coupler and comprises a plurality of universal optical fiber interface components, and the universal optical fiber interface components are configured to be capable of adapting to different types of optical fiber connectors; the different types of fiber optic connectors include at least two of an SC-type fiber optic connector, an ST-type fiber optic connector, and an FC-type fiber optic connector.
In an exemplary embodiment of the present utility model, each fiber interface conversion unit may further comprise a plurality of LC fiber interface assemblies for connection with LC-type fiber optic connectors.
In one exemplary embodiment of the present utility model, the universal fiber optic interface assembly may include a socket, a backplane, a telescoping rod, and a fixture; the top and the top of the slot are both open, and the opening size of the slot is larger than or equal to the maximum outer diameter of the optical fiber connector in different types of optical fiber connectors; the bottom of the slot is connected with the bottom plate through a telescopic rod, the bottom plate is provided with a core inserting hole, the different types of optical fiber connectors have the same core inserting diameter, and the core inserting hole has an inner diameter matched with the core inserting diameter; the top of the slot is provided with a fixing piece configured to fix the insertion depth of the optical fiber connector inside the slot.
In one exemplary embodiment of the utility model, the slot may be comprised of a plurality of telescoping pieces capable of forming a plurality of open space areas for accommodating different types of fiber optic connectors.
In an exemplary embodiment of the present utility model, the slot may be circular, oval, rectangular, or square.
In an exemplary embodiment of the present utility model, the fixing member may be a jig.
In an exemplary embodiment of the present utility model, the inside of the slot may be provided with a plurality of elastic gaskets.
A second aspect of the present utility model provides a nacelle control device comprising a main controller, a first photoelectric conversion module and an optical fiber data transmission module as described above; the main controller is connected with the first photoelectric conversion module through a network cable, and the first photoelectric conversion module is connected with the optical fiber data transmission module through an optical fiber.
A third aspect of the present utility model provides a tower bottom control device, which includes a tower bottom controller, a second photoelectric conversion module, and an optical fiber data transmission module as described above; the tower bottom controller is connected with a second photoelectric conversion module through a network cable, and the second photoelectric conversion module is connected with an optical fiber data transmission module through an optical fiber.
According to a fourth aspect of the utility model, a wind turbine generator system main control system is provided, the wind turbine generator system main control system comprises the cabin control device and the tower bottom control device, and the cabin control device is connected with the tower bottom control device through optical fibers.
Through the technical scheme provided by the utility model, the utility model has at least the following technical effects:
(1) The optical fiber data transmission module can be compatible with different optical fiber interfaces on site at the same time, has higher universality and can meet the requirement of simultaneous conversion of different types of optical fiber interfaces in a wind power plant;
(2) According to the utility model, data exchange and communication between different types of wind turbine generator main control systems can be realized through the optical fiber data transmission module, so that the combined operation and management of a plurality of wind turbine generator sets can be realized by a wind power plant, and the efficiency and the productivity of wind power generation can be improved to the greatest extent;
(3) The optical fiber data transmission module is used as a component part of the main control system, so that independent power supply is not required, the arrangement of power supply lines is not required to be considered, the occupied space in the cabinet is reduced, and meanwhile, the integral maintenance of the main control system is facilitated;
(4) In the main control system transformation process, the original optical fiber and optical fiber data transmission module can be used for realizing the optical fiber data transmitted between the transfer main controller and the tower bottom controller, and the optical fiber is not required to be rearranged or fused again, so that the overall transformation cost of the main control system of the wind turbine generator is reduced.
Additional features and advantages of the utility model will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain, without limitation, the embodiments of the utility model. In the drawings:
FIG. 1 is a data transmission flow chart of a main control system of a current wind turbine provided by an embodiment of the utility model;
Fig. 2 is a schematic diagram of an internal structure of an optical fiber data transmission module according to an embodiment of the present utility model;
Fig. 3 is a schematic structural diagram of a generic optical fiber interface assembly according to an embodiment of the present utility model.
Description of the reference numerals
1-Housing, 2-coupler, 3-universal fiber interface assembly, 31-slot, 32-backplane, 33-telescoping rod, 34-clamp.
Detailed Description
The following describes the detailed implementation of the embodiments of the present utility model with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the present utility model, unless otherwise indicated, terms of orientation such as "upper, lower, top, bottom" are used generally with respect to the orientation shown in the drawings or with respect to the positional relationship of the various components with respect to one another in the vertical, vertical or gravitational directions. The "first," "second," etc. are merely for convenience of description and for convenience of distinction, and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected; either a wired connection or a wireless connection. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art.
The utility model will be described in detail below with reference to the drawings in connection with embodiments.
Example 1
A first embodiment of the present utility model provides a fiber optic data transmission module that may include a housing, a coupler disposed within the housing, and at least two fiber optic interface conversion units disposed at a surface of the housing.
Specifically, each fiber optic interface conversion unit is connected to the coupler, and each fiber optic interface conversion unit includes a plurality of universal fiber optic interface assemblies configured to accommodate different types of fiber optic connectors.
Here, the different types of optical fiber connectors include at least two of SC-type optical fiber connectors, ST-type optical fiber connectors, and FC-type optical fiber connectors.
It should be noted that, the reason why the optical fiber data transmission module of the present utility model is provided with at least two optical fiber interface conversion units is that: at least one optical fiber interface conversion unit is required to be used as a transmitting end (TX) and at least one optical fiber interface conversion unit is required to be used as a receiving end (RX), so that optical signal transmission and optical signal reception of the optical fiber data transmission module are realized. Here, the transmitting end (TX) refers to a transmitting part in the optical fiber transmission module, which is responsible for converting an electrical signal into an optical signal and transmitting the optical signal through an optical fiber; the receiving end (RX) refers to a receiving portion in the optical fiber transmission module, which is responsible for receiving an optical signal and converting it into an electrical signal for subsequent processing and decoding. When the optical fiber transmission module is used for optical fiber communication, the transmitting end converts the electric signal into an optical signal and transmits the optical signal, and the receiving end receives the optical signal and converts the optical signal into the electric signal so as to facilitate data interaction and processing with equipment.
The coupler adopted by the utility model can be a combining coupler, a beam splitting coupler, a bidirectional coupler or a mode coupler. The optical splitting coupler is mainly used for splitting one input optical signal into two or more output optical signals; the combining coupler is mainly used for combining optical signals from different optical fibers into one output; the bi-directional coupling is mainly used for transmitting both forward and reverse optical signals. By providing a coupler in the fiber optic data transmission module, one or more optical signals input by the receiving end (RX) can be directed to the transmitting end (TX), thereby achieving coupling and switching of the optical signals between the optical fibers.
In addition, fiber optic interfaces exist in a variety of forms, and fiber optic interfaces commonly used in wind power plants are mainly ST, FC and SC interfaces. Accordingly, the different types of fiber optic connectors employed in the present utility model should be compatible with at least two of SC-type, ST-type, and FC-type fiber optic connectors to address data transmission and communication between the different types of controllers.
Further, in one possible embodiment, each fiber interface conversion unit may further include a plurality of LC fiber interface assemblies, where the LC fiber interface assemblies are configured to connect with LC-type fiber optic connectors.
Further, in one possible embodiment, the universal fiber optic interface assembly may include an SC-type fiber optic interface, an ST-type fiber optic connector, and an FC-type fiber optic interface, with the three interfaces being disposed side-by-side to mate with respective fiber optic connectors.
Further, in one possible embodiment, the universal fiber optic interface assembly may include a socket, a bottom plate, a telescoping rod, and a fixture.
The top and the top of the slot are both open, and the opening size of the slot is larger than or equal to the maximum optical fiber connector outer diameter in different types of optical fiber connectors.
The bottom of the slot is connected with the bottom plate through a telescopic rod, and the bottom plate is provided with a core inserting hole. The different types of fiber optic connectors have the same ferrule diameter and the ferrule bore has an inner diameter that matches the ferrule diameter.
The top of the slot is provided with a fixing piece configured to fix the insertion depth of the optical fiber connector inside the slot.
Further, in one possible embodiment, the slot may be comprised of a plurality of telescoping pieces that can form a plurality of open space areas for accommodating different types of fiber optic connectors.
Further, in one possible embodiment, the slot may be configured in a circular or oval shape, and the maximum inner diameter of the slot is equal to the maximum fiber optic connector outer diameter of the ST type fiber optic connector and the FC type fiber optic connector.
Further, in one possible embodiment, the slots may be configured in a rectangular or square shape with a maximum width of the slots being greater than or equal to the maximum fiber splice outer diameter of the SC-type, ST-type, and FC-type fiber splices.
Further, in one possible embodiment, the fixing member may be provided as a jig.
Further, in one possible embodiment, the interior of the socket may be provided with a plurality of resilient pads for providing a certain pressure and resilient resilience upon insertion of the optical fiber splice to ensure a stable connection of the splice and to provide the necessary retention force.
For a better understanding of the above-described exemplary embodiments of the present utility model, it is further described below with reference to specific examples and drawings.
As shown in fig. 2, a fiber optic data transmission module includes a housing 1, a coupler 2, and a universal fiber optic interface assembly 3. The number of the universal optical fiber interface assemblies 3 is ten, five universal optical fiber interface assemblies 3 are used as transmitting ends and arranged on one side of the shell 1, and five universal optical fiber interface assemblies 3 are used as receiving ends and arranged on the other side of the shell 1. Each universal optical fiber interface component at the transmitting end is connected with each universal optical fiber interface component at the receiving end through the coupler 2. The universal fiber interface assembly 3 is compatible with different types of fiber optic connectors (e.g., SC-type fiber optic connector, ST-type fiber optic connector, and FC-type fiber optic connector) to enable data transmission and communication between different types of controllers.
As shown in fig. 3, the universal fiber optic interface assembly 3 is comprised of a slot 31, a bottom plate 32, a telescoping rod 33, and a clamp 34. The slot 31 is rectangular, and the top of the slot 31 are both open, so as to form an open space region to provide an insertion space of the optical fiber connector. The bottom of the slot 31 is connected to the bottom plate 32 by a telescoping rod 33 for forming different insertion depths to match different types of fiber optic connectors. The base plate 32 is provided with ferrule holes for securing the optical fibers in the fiber optic connector to ensure proper alignment and transmission of the optical fibers. Since ferrules of SC-type, ST-type and FC-type optical fiber connectors are typically set to 2.499mm, the diameter of the ferrule holes is also set to 2.499mm to match the ferrule diameters of different types of optical fiber connectors. A clamp 34 is provided on top of the slot 31 for fixing the insertion depth of the optical fiber connector after the optical fiber connector is inserted into the slot 31 to maintain stable connection and alignment of the optical fiber connector.
Example two
The second embodiment of the utility model provides a master control system of a wind turbine generator, which comprises a cabin control device and a tower bottom control device, wherein the cabin control device is connected with the tower bottom control device through an optical fiber, so that transmission of cabin data and tower bottom control instructions is realized.
The cabin control device consists of a main controller, a first photoelectric conversion module and the optical fiber data transmission module in the first embodiment; the main controller is connected with the first photoelectric conversion module through a network cable, and the first photoelectric conversion module is connected with the optical fiber data transmission module through an optical fiber. The cabin control device consists of a main controller, a first photoelectric conversion module and the optical fiber data transmission module in the first embodiment; the main controller is connected with the first photoelectric conversion module through a network cable, and the first photoelectric conversion module is connected with the optical fiber data transmission module through an optical fiber.
The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present utility model within the scope of the technical concept of the present utility model, and all the simple modifications belong to the protection scope of the present utility model.
In addition, the specific features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described further.
Moreover, any combination of the various embodiments of the utility model can be made without departing from the spirit of the utility model, which should also be considered as disclosed herein.
Claims (10)
1. An optical fiber data transmission module, the optical fiber data transmission module comprising: the optical fiber interface conversion device comprises a shell, a coupler arranged in the shell and at least two optical fiber interface conversion units arranged on the surface of the shell;
Each optical fiber interface conversion unit is connected with the coupler and comprises a plurality of universal optical fiber interface components, and the universal optical fiber interface components are configured to be capable of adapting to different types of optical fiber connectors;
The different types of fiber optic connectors include at least two of an SC-type fiber optic connector, an ST-type fiber optic connector, and an FC-type fiber optic connector.
2. The fiber optic data transmission module of claim 1, wherein each fiber optic interface conversion unit further comprises a plurality of LC fiber optic interface assemblies for connection with LC fiber optic connectors.
3. The fiber optic data transmission module of claim 1, wherein the universal fiber optic interface assembly comprises a slot, a backplane, a telescoping rod, and a fixture;
The top and the top of the slot are both open, and the opening size of the slot is larger than or equal to the maximum outer diameter of the optical fiber connector in different types of optical fiber connectors;
The bottom of the slot is connected with the bottom plate through a telescopic rod, the bottom plate is provided with a core inserting hole, the different types of optical fiber connectors have the same core inserting diameter, and the core inserting hole has an inner diameter matched with the core inserting diameter;
The top of the slot is provided with a fixing piece configured to fix the insertion depth of the optical fiber connector inside the slot.
4. A fiber optic data transmission module according to claim 3, wherein the slot is comprised of a plurality of telescoping pieces capable of forming a plurality of open space areas for receiving different types of fiber optic connectors.
5. A fiber optic data transmission module according to claim 3, wherein the slot is circular, oval, rectangular or square.
6. A fiber optic data transmission module according to claim 3, wherein the securing member is a clamp.
7. A fiber optic data transmission module according to claim 3, wherein a plurality of resilient pads are provided within the slot.
8. A nacelle control device comprising a main controller, a first photoelectric conversion module, and the optical fiber data transmission module of any one of claims 1 to 7;
The main controller is connected with the first photoelectric conversion module through a network cable, and the first photoelectric conversion module is connected with the optical fiber data transmission module through an optical fiber.
9. A tower bottom control device, characterized in that the tower bottom control device comprises a tower bottom controller, a second photoelectric conversion module and the optical fiber data transmission module according to any one of claims 1 to 7;
The tower bottom controller is connected with a second photoelectric conversion module through a network cable, and the second photoelectric conversion module is connected with an optical fiber data transmission module through an optical fiber.
10. A wind turbine generator system main control system, characterized in that the wind turbine generator system main control system comprises a cabin control device according to claim 8 and a tower bottom control device according to claim 9, wherein the cabin control device is connected with the tower bottom control device through an optical fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322942093.7U CN220935187U (en) | 2023-10-31 | 2023-10-31 | Optical fiber data transmission module, cabin control device and wind turbine generator main control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322942093.7U CN220935187U (en) | 2023-10-31 | 2023-10-31 | Optical fiber data transmission module, cabin control device and wind turbine generator main control system |
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| Publication Number | Publication Date |
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| CN220935187U true CN220935187U (en) | 2024-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202322942093.7U Active CN220935187U (en) | 2023-10-31 | 2023-10-31 | Optical fiber data transmission module, cabin control device and wind turbine generator main control system |
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| Country | Link |
|---|---|
| CN (1) | CN220935187U (en) |
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2023
- 2023-10-31 CN CN202322942093.7U patent/CN220935187U/en active Active
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