CN111794918A - One-cabinet type heating and refrigerating cabinet scheme installed in wheel hub - Google Patents
One-cabinet type heating and refrigerating cabinet scheme installed in wheel hub Download PDFInfo
- Publication number
- CN111794918A CN111794918A CN202010536972.8A CN202010536972A CN111794918A CN 111794918 A CN111794918 A CN 111794918A CN 202010536972 A CN202010536972 A CN 202010536972A CN 111794918 A CN111794918 A CN 111794918A
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- cabinet
- deicing
- type heating
- wheel hub
- freezer
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 22
- 238000004891 communication Methods 0.000 claims description 11
- 238000005485 electric heating Methods 0.000 claims description 10
- 102100031786 Adiponectin Human genes 0.000 claims description 6
- 101000775469 Homo sapiens Adiponectin Proteins 0.000 claims description 6
- 238000000034 method Methods 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 3
- 101100408352 Drosophila melanogaster Plc21C gene Proteins 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/40—Ice detection; De-icing means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/30—Lightning protection
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/054—Input/output
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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
Abstract
The invention relates to the field of electric power product control, in particular to a cabinet type heating deicing cabinet scheme installed in a hub, which comprises a slip ring, wherein a main control cabin provides a 400VAC power supply through the slip ring and is connected to a deicing cabinet, a PLC is arranged in the deicing cabinet, and the output of the deicing cabinet is connected with deicing equipment corresponding to three external blades 1, 2 and 3. The invention can control and distribute power to the deicing equipment of the generator set through a cabinet type independent subsystem design.
Description
Technical Field
The invention relates to the field of electric power product control, in particular to a cabinet type heating deicing cabinet scheme installed in a wheel hub.
Background
Blades of the wind generating set are easily covered by ice and difficult to melt in a low-temperature and high-humidity environment, and the problem always puzzles the development and construction of the wind generating set in regions where freezing rain disasters are easy to occur in China. Once a freezing rain disaster occurs, the surface of the blade of the wind generating set is coated with ice, the power generation efficiency of the set is reduced by the ice coating, even the set is stopped, and even more serious, the ice coating also has potential threats to the safety of the set and operation and maintenance personnel.
Specifically, the icing hazard of the wind power blade mainly comprises four aspects: the generated energy is reduced, noise is generated, the unit is damaged, and potential safety hazards are generated. The icing of the unit can change the original pneumatic appearance of the blade, reduce the pneumatic efficiency and further reduce the generating capacity of the unit. According to research data, the blade icing is displayed, and according to different local climatic conditions, the loss of 5-10% of annual generated energy of the wind turbine generator is caused, and huge economic loss is brought; in addition, after the blades are coated with ice, the pneumatic noise generated during operation is also increased abnormally, so that noise pollution is generated on organisms in the operation area of the unit, and ecological damage is caused; moreover, because of the difference of the ice coating quantity of the three sets of blades, the dynamic unbalance of the operation of the sets can be caused, the vibration of the sets can be caused, and even the components of the sets or the whole set can be damaged; finally, when the blade ice cover drops, because the dropping area is large and the dropping speed is high, the high-altitude falling objects can cause potential threats to ground buildings and personnel and harm personal and property safety.
Disclosure of Invention
The invention aims to provide a cabinet type heating and refrigerating cabinet scheme installed in a wheel hub, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a cabinet type heating deicing cabinet scheme installed in a hub comprises a sliding ring, a main control cabin provides a 400VAC power supply through the sliding ring and is connected to a deicing cabinet, a PLC is arranged in the deicing cabinet, and the output of the deicing cabinet is connected with deicing equipment corresponding to three external blades 1, 2 and 3.
Further, still be equipped with heating device in the refrigerator-freezer, heating device is connected in parallel each other by electric heating element, ACDC power and ground resistance and constitutes, electric heating element, ACDC power and ground resistance's single line all are equipped with protection switch on separately, all be equipped with protection switch and KM coil switch on the connecting line of the deicing equipment of refrigerator-freezer and paddle 1, paddle 2 and paddle 3 in proper order.
Furthermore, the deicing equipment is composed of a plurality of groups of branches connected in parallel, and a protection resistor and an electric heating element are connected in series on the branches.
Further, the PLC configures the PT100 module, the DI module, and the DO module at the same time. Three PT100 temperature acquisitions of blade 1, blade 2 and blade 3 are connected to the PT100 module.
Further, the temperature acquisition received by the PT100 module configured by the PLC is output to the PLC through the KL3214 analog output module by a plurality of temperature acquisition points.
Further, remove the refrigerator-freezer and carry out PROFIBUS-DP communication with the master control cabin through the sliding ring, control circuit still includes CX9020 embedded controller in the refrigerator-freezer, EL6731 communication interface and EL1008 digital quantity input terminal are connected respectively to CX9020 embedded controller, EL1008 digital quantity input terminal input connection hand switch and output connection pilot lamp.
Furthermore, the refrigerator-freezer is an LPZ-2 lightning protection area, a secondary lightning protection device is installed on an inlet wire outside the refrigerator-freezer, and temperature compensation is arranged in the PLC temperature acquisition program.
The invention has the advantages that: the design aims at controlling and distributing the deicing equipment of the wind generating set. The design is to install the system in the hub and adopt a cabinet type structure, so that the cost is saved and the system is simple in structure. The PLC host is configured in the ice removing cabinet, so that a set of independent subsystems can be formed by the PLC host, independent control can be realized without depending on main control, and the independent subsystems have the advantages that the logic program of the ice removing function is completed by the PLC host in the ice removing cabinet, the control logic is maintained by an ice removing cabinet manufacturer, and the main control program does not need to be modified by a whole machine manufacturer.
Drawings
FIG. 1 is a diagram of an external interface of a de-icing cabinet according to the present invention;
FIG. 2 is a single line diagram of a deicer cabinet in accordance with the present invention;
FIG. 3 is a diagram illustrating the PT100 temperature acquisition principle of the present invention;
FIG. 4 is a schematic diagram of the communication between the ice bin and the main control cabin according to the present invention;
FIG. 5 is a schematic diagram of manual control and signal indication for a refrigerator according to the present invention.
In the figure: 1. a slip ring; 2. removing the refrigerator; 21. a PLC; 3. a blade de-icing apparatus; 31. an electric heating element; 32. a protection resistor; 4. a heating device; 41. a ground resistor; 5. an indicator light; 6. and (4) a manual switch.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1-5, the present invention provides a technical solution:
the utility model provides an install a cabinet type heating deicing cabinet scheme in wheel hub, includes sliding ring 1, and the main control cabin provides 400VAC power through sliding ring 1 and connects to removing refrigerator-freezer 2, is equipped with PLC21 in removing refrigerator-freezer 2, and the deicing equipment 3 that removes refrigerator-freezer 2 output connection and correspond three outside paddle 1, paddle 2 and paddle 3.
Referring to fig. 2, a heating device 4 is further disposed in the deicing cabinet 2, the heating device 4 is formed by connecting an electric heating element 31, an ACDC power supply and a ground resistor in parallel, protection switches are disposed on respective single lines of the electric heating element 31, the ACDC power supply and the ground resistor 41, and protection switches and KM coil switches are sequentially disposed on connection lines of the deicing cabinet 2 and the deicing devices 3 of the blades 1, 2 and 3.
The deicing equipment 3 is composed of a plurality of groups of branches connected in parallel, and a protective resistor 32 and an electric heating element 31 are connected in series on the branches.
The PLC21 configures the PT100 module, the DI module, and the DO module at the same time. Three PT100 temperature acquisition of a blade 1, a blade 2 and a blade 3 are connected to a PT100 module, the DI module monitors the state of each DI point, and the DO point is used for controlling the electrification of three blade deicing devices 3.
The temperature collection received by the PT100 module configured by the PLC21 is output to the PLC21 through a KL3214 analog quantity output module by a plurality of temperature collection points.
Referring to fig. 4 and 5, the deicing cabinet 2 and the main control cabin perform PROFIBUS-DP communication through the slip ring 1, the control circuit in the deicing cabinet 2 further comprises a CX9020 embedded controller, the CX9020 embedded controller is respectively connected with an EL6731 communication interface and an EL1008 digital quantity input terminal, and the EL1008 digital quantity input terminal is connected with the manual switch 6 in input and is connected with the indicator lamp 5 in output.
It should be noted that the deicing cabinet 2 communicates with the main control cabin through the slip ring 1, and the communication protocol may be capopen instead of PROFIBUS-DP in this embodiment. The blade icing information can be transmitted to the deicing cabinet 2 by the master controller through communication, the deicing cabinet 2 starts/stops the blade deicing function according to the master control enabling signal, and the communication is realized through the butt joint of a CX9020 embedded controller and an EL6731 communication interface, as shown in FIG. 4.
Furthermore, a signal indicator lamp 5 is arranged in the deicing cabinet 2, indicates the running state of equipment and has an alarm function. The ice removing cabinet 2 has both manual control and automatic control functions. The automatic control is realized by combining the program of the PLC with the information provided by the main control system and automatically and safely operating according to the preset parameters of the system so as to achieve the aims of anti-icing and deicing.
The manual signal is dispatched via the EL1008 digital input terminal by remotely activating/deactivating the heating system via the ice chest manual switch 6 and indicator light 5 as described in figure 5.
The ice chest 2 is an LPZ-2 lightning protection area, a secondary lightning protection device is installed on an incoming line outside the ice chest, temperature compensation is arranged in a PLC21 temperature acquisition program, and a temperature compensation algorithm needs to be carried out in the program due to the fact that a PT100 cable is too long, so that temperature acquisition precision is improved.
Specifically, according to the definition of the lightning protection subarea of the wind generating set, the hub is internally provided with an LPZ-1 lightning protection area, and the deicing cabinet 2 is internally provided with an LPZ-2 lightning protection area, so that a secondary lightning protector is arranged on an external inlet wire of the deicing cabinet 2 for protection. Further, the deicing cabinet 2 is connected with the deicing equipment 3 of the blades 1, 2 and 3 by adopting heavy-load connectors, so that the disassembly is convenient, and the disassembly in non-icing seasons can be realized.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A cabinet type heating deicing cabinet scheme installed in a hub comprises a sliding ring (1) and is characterized in that: the main control cabin provides a 400VAC power supply through a slip ring (1) and is connected to a deicing cabinet (2), a PLC (21) is arranged in the deicing cabinet (2), and the deicing cabinet (2) is in output connection with deicing equipment (3) corresponding to three external paddles 1, 2 and 3.
2. A cabinet type heating de-icing cabinet solution installed in a wheel hub according to claim 1, wherein: remove still be equipped with heating device (4) in refrigerator-freezer (2), heating device (4) are parallelly connected each other by electric heating element (31), ACDC power and ground resistance and are constituteed, all be equipped with protection switch on electric heating element (31), ACDC power and ground resistance (41) single circuit separately, it all is equipped with protection switch and KM coil switch on the connecting wire way of deicing equipment (3) of paddle 1, paddle 2 and paddle 3 in proper order to remove refrigerator-freezer (2).
3. A cabinet type heating de-icing cabinet solution installed in a wheel hub according to claim 1, wherein: the deicing equipment (3) is composed of a plurality of groups of branches connected in parallel, and a protection resistor (32) and an electric heating element (31) are connected in series on the branches.
4. A cabinet type heating de-icing cabinet solution installed in a wheel hub according to claim 1, wherein: the PLC (21) configures a PT100 module, a DI module and a DO module at the same time, and three PT100 temperature acquisitions of a blade 1, a blade 2 and a blade 3 are connected to the PT100 module.
5. A cabinet type heating de-icing cabinet solution mounted in a wheel hub according to claim 4, wherein: the temperature collection received by the PT100 module configured by the PLC (21) is output to the PLC (21) through a KL3214 analog quantity output module by a plurality of temperature collection points.
6. A cabinet type heating de-icing cabinet solution installed in a wheel hub according to claim 1, wherein: remove refrigerator-freezer (2) and main control cabin and carry out PROFIBUS-DP communication through sliding ring (1), remove that control circuit still includes CX9020 embedded controller in refrigerator-freezer (2), EL6731 communication interface and EL1008 digital quantity input terminal are connected respectively to CX9020 embedded controller, EL1008 digital quantity input terminal input is connected hand switch (6) and output connection pilot lamp (5).
7. A cabinet type heating de-icing cabinet solution installed in a wheel hub according to claim 1, wherein: remove refrigerator-freezer (2) and be LPZ-2 lightning protection district, remove the outside inlet wire of refrigerator-freezer (2) and install the second grade lightning protection ware, be equipped with temperature compensation in PLC (21) temperature acquisition procedure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010536972.8A CN111794918A (en) | 2020-06-12 | 2020-06-12 | One-cabinet type heating and refrigerating cabinet scheme installed in wheel hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010536972.8A CN111794918A (en) | 2020-06-12 | 2020-06-12 | One-cabinet type heating and refrigerating cabinet scheme installed in wheel hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111794918A true CN111794918A (en) | 2020-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010536972.8A Pending CN111794918A (en) | 2020-06-12 | 2020-06-12 | One-cabinet type heating and refrigerating cabinet scheme installed in wheel hub |
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| Country | Link |
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| CN (1) | CN111794918A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112483318A (en) * | 2020-11-19 | 2021-03-12 | 湖南拓天节能控制技术股份有限公司 | Fan control system with prevent and remove deicing function |
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| US20170218926A1 (en) * | 2016-02-02 | 2017-08-03 | General Electric Company | System and Method for De-Icing a Wind Turbine Rotor Blade |
| US20170260969A1 (en) * | 2014-09-12 | 2017-09-14 | Zhuzhou Times New Materials Technology Co., Ltd. | Anti-icing and deicing method and device for high-power wind turbine blades |
| CN206790850U (en) * | 2017-04-27 | 2017-12-22 | 甘肃酒钢集团宏兴钢铁股份有限公司 | A kind of air blower PLC rack |
| CN207538981U (en) * | 2017-10-20 | 2018-06-26 | 浙江运达风电股份有限公司 | A kind of blade deicer of large-scale wind electricity unit |
| CN208396872U (en) * | 2018-07-11 | 2019-01-18 | 黑龙江省华富电力投资有限公司 | Wind generator set blade deicer |
| CN213063844U (en) * | 2020-06-12 | 2021-04-27 | 天津瑞能电气有限公司 | Install a cabinet type heating deicing cabinet in wheel hub |
-
2020
- 2020-06-12 CN CN202010536972.8A patent/CN111794918A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203362411U (en) * | 2013-04-26 | 2013-12-25 | 湘电新能源有限公司 | Carbon crystal anti-icing system for aerogenerator |
| US20170260969A1 (en) * | 2014-09-12 | 2017-09-14 | Zhuzhou Times New Materials Technology Co., Ltd. | Anti-icing and deicing method and device for high-power wind turbine blades |
| CN204663764U (en) * | 2015-05-20 | 2015-09-23 | 中船重工（武汉）凌久电气有限公司 | A kind of wind generating variable-propeller control system applying super capacitor |
| US20170218926A1 (en) * | 2016-02-02 | 2017-08-03 | General Electric Company | System and Method for De-Icing a Wind Turbine Rotor Blade |
| CN206790850U (en) * | 2017-04-27 | 2017-12-22 | 甘肃酒钢集团宏兴钢铁股份有限公司 | A kind of air blower PLC rack |
| CN207538981U (en) * | 2017-10-20 | 2018-06-26 | 浙江运达风电股份有限公司 | A kind of blade deicer of large-scale wind electricity unit |
| CN208396872U (en) * | 2018-07-11 | 2019-01-18 | 黑龙江省华富电力投资有限公司 | Wind generator set blade deicer |
| CN213063844U (en) * | 2020-06-12 | 2021-04-27 | 天津瑞能电气有限公司 | Install a cabinet type heating deicing cabinet in wheel hub |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112483318A (en) * | 2020-11-19 | 2021-03-12 | 湖南拓天节能控制技术股份有限公司 | Fan control system with prevent and remove deicing function |
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