1. The utility model provides a wind turbine generator system hydraulic system controlling means which characterized in that includes:

a set of electrical control system and an electrical control system interface matched with the electrical control system; the electric control system comprises a touch control all-in-one machine, an operation area, a control system and an electric installation; a yaw test, a main shaft brake test, a variable pitch test, unit operation, a shutdown fault, an emergency fault and a resetting operation area are arranged on the left side of the electrical control system interface; the right side of the interface of the electric control system displays a dynamic hydraulic schematic diagram of the current machine type and displays the state of the current machine set; the electric control system interface is provided with a fault display and operation area, and when the unit fails, the fault conditions of the hydraulic system in the current machine type and the current state are displayed on the interface; the electric control system controls the hydraulic station and the actuating mechanism in a unified manner through the main control system.

2. The wind turbine generator hydraulic system control device according to claim 1, characterized in that: the dynamic hydraulic schematic diagram on the right side of the electrical control system interface adopts a two-dimensional dynamic form, an arrow of the electromagnetic valve can move left and right to represent the power-on and power-off conditions of different positions, and the oil inlet and the oil return of the hydraulic oil way display different colors; the components and parts displayed on the electric control system interface can be clicked, and specific real object pictures and functional descriptions of the components and parts are displayed.

3. The wind turbine generator hydraulic system control device according to claim 1, characterized in that: the operation area comprises a main power circuit breaker, independent control systems of all areas, an operation button and a state indicator lamp.

4. The wind turbine generator hydraulic system control device according to claim 3, characterized in that: the control system adopts a Siemens series master control PLC, and two sets of hydraulic control systems are controlled by one set of control system, so that the operation is convenient.

5. The wind turbine generator hydraulic system control device according to claim 1, characterized in that: the electric installation area connects two sets of different hydraulic electric control systems to the control system, adopts the disassembling section, is convenient for a student to troubleshoot electric faults, and restores the real electric wiring of the hydraulic system and the troubleshooting of the faults according to the real wiring of the fan hydraulic system.

Background

The wind generating set is important equipment in wind power generation, has direct influence on the economic benefit of a wind power generation project, and needs to strengthen daily maintenance and equipment management, the existing water cooling system can ensure that the wind generating set realizes cooling and continuous and stable operation under the condition of higher temperature, the lubricating system can reduce the abrasion of parts, prolong the operation period of the wind generating set and realize cold start of the wind generating set, the hydraulic system can provide power support and power control for the hydraulic power element, but the prior systems adopt a separated design, each system is designed and manufactured independently and is not integrated into one, the control is extremely inconvenient, the functions are single, the systems can not be well matched, and the problems of large occupied space, inconvenient installation, debugging and maintenance and the like exist, so that the problems need to be solved.

Disclosure of Invention

The invention aims to provide a hydraulic system control device of a wind turbine generator set to solve the problems in the background.

The technical scheme provided by the invention is as follows:

a wind turbine hydraulic system control device comprises:

a set of electrical control system and an electrical control system interface matched with the electrical control system; the electric control system comprises a touch control all-in-one machine, an operation area, a control system and an electric installation; a yaw test, a main shaft brake test, a variable pitch test, unit operation, a shutdown fault, an emergency fault and a resetting operation area are arranged on the left side of the electrical control system interface; the right side of the interface of the electric control system displays a dynamic hydraulic schematic diagram of the current machine type and displays the state of the current machine set; the electric control system interface is provided with a fault display and operation area, and when the unit fails, the fault conditions of the hydraulic system in the current machine type and the current state are displayed on the interface; the electric control system controls the hydraulic station and the actuating mechanism in a unified manner through the main control system.

It can be understood that, furthermore, the dynamic hydraulic schematic diagram on the right side of the interface of the electrical control system adopts a two-dimensional dynamic form, the arrow of the electromagnetic valve can move left and right to represent the situations of power on and power off at different positions, and the oil inlet and the oil return of the hydraulic oil way display different colors; the components and parts displayed on the electric control system interface can be clicked, and specific real object pictures and functional descriptions of the components and parts are displayed.

Furthermore, the operation area comprises a main power circuit breaker, independent control systems of all areas, an operation button and a status indicator lamp.

Furthermore, the control system adopts a Siemens series master control PLC, and two sets of hydraulic control systems are controlled by one set of control system, so that the operation is convenient.

Furthermore, the electric installation area connects two sets of different hydraulic electric control systems to the control system, and the disassembling section is adopted, so that a student can conveniently check electric faults, and meanwhile, the real electric wiring of the hydraulic system and the fault check are restored according to the real fan hydraulic system wiring.

The invention has the beneficial effects that: 1. the integrated design has compact structure, small occupied space and easy control and debugging of the whole machine; 2. the hydraulic control system has the cooling, lubricating, braking, locking and hydraulic control functions of a large-scale wind generating set, and can provide power support for mechanical control of a fan and variable pitch control of blades; the cold start function of the whole machine can be completed at extreme temperature, and the bad phenomena of brittle fracture, dry friction and the like of loaded parts of the wind turbine generator are reduced; the temperature control can be carried out on the generator set.

Drawings

FIG. 1 is a block diagram of a control device of a hydraulic system of a wind turbine generator system according to the present invention;

the system comprises a hydraulic system 1, a lubricating system 2, a water cooling system 3, a controller 5, a controller 11, a main shaft brake 12, a yaw brake 13, a slip ring device subsystem 131, a first hydraulic variable propeller 132, a second hydraulic variable propeller 133, an impeller locker 21, a generator lubricator 22, a gearbox lubricator 31, a generator water cooler 32, a rectifier water cooler 33 and a water cooling fan.

Detailed Description

It should be noted that, in this document, the terms include, or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the statement that an element defined by … … is included does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element, and that elements, features, or elements with the same name in different embodiments of the application may or may not have the same meaning as that understood by skilled artisans and such further details are not to be construed in a limiting sense.

It should be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one category of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope herein. Depending on the context, the words as used herein if interpreted as either at … … or at … … or in response to a determination. Furthermore, as used herein, the singular forms a, an and the are intended to include the plural forms as well, unless the context indicates otherwise. It will be further understood that the terms comprises, comprising, including, specify the presence of stated features, steps, operations, elements, components, items, species, and/or groups, but do not preclude the presence, or addition of one or more other features, steps, operations, elements, components, items, species, and/or groups thereof. The terms or and/or and are used herein are to be interpreted as being inclusive or meaning any one or any combination. Thus, A, B or C or A, B and/or C means either: a; b; c; a and B; a and C; b and C; A. b and C. An exception to this definition will occur only when a combination of elements, functions, steps or operations are inherently mutually exclusive.

It should be understood that, although the steps in the flowcharts in the embodiments of the present application are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and may be performed in other orders unless explicitly stated herein. Moreover, at least some of the steps in the figures may include multiple sub-steps or multiple stages that are not necessarily performed at the same time, but may be performed at different times, in different orders, and may be performed alternately or at least partially with respect to other steps or sub-steps of other steps.

It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application. In the following description, suffixes such as modules, components or units used to represent elements are used only for facilitating the description of the present application and have no specific meaning in themselves. Thus, modules, components or units may be used mixedly.

The wind turbine hydraulic system control device can be understood as visual and convenient to operate, and operation in the actual application process, such as hydraulic variable pitch, yaw system or main shaft system test, is subjected to actual simulation operation, so that teaching simulation and vividness are improved.

The following embodiment of the wind turbine hydraulic system control device is further developed in a system by combining the accompanying drawings, and the specific process is as follows:

as shown in fig. 1, a hydraulic control device for a wind turbine generator includes an electrical control system and an electrical control system interface corresponding to the electrical control system, where the electrical control system includes a touch control all-in-one machine, an operation area, a control system, and an electrical installation.

The touch control integrated machine mainly comprises different machine type switching interfaces, a hydraulic pitch control and yaw system, a main shaft system test interface, a fault alarm interface, an oil circuit independent control interface and the like.

The operation area comprises a main power circuit breaker, independent control systems of all areas, an emergency stop button, an automatic maintenance button and a hydraulic station

Operation buttons such as a switching button and state indicating lamps such as a fault indicating lamp and an operation indicating lamp.

The control system adopts a Siemens series main control plc, and two sets of hydraulic systems are controlled by one set of control system, so that the operation is convenient.

The electric installation area connects two sets of different hydraulic system electric control systems to the control system, adopts to tear open the terminal open, is convenient for the student to investigate electric fault, simultaneously according to real fan hydraulic system wiring, guarantees to restore real hydraulic system electric wiring and troubleshooting.

A yaw braking system wind turbine generator hydraulic system multifunctional training platform of a main shaft braking system of a variable pitch system.

The left side of an operation interface of the system of the electrical control system interface is provided with operation areas such as yaw test, main shaft brake test, pitch control test, unit operation, shutdown, fault, emergency fault, resetting and the like; and the right side of the interface displays a dynamic hydraulic schematic diagram of the current machine type and displays the states (yaw and main shaft brake) of the current machine set.

The interface can display the main pressure of the system and the branch pressure of each system in real time.

And a fault display and operation area is arranged on the interface. When the unit breaks down, the fault conditions of the hydraulic system in the current machine type and the current state are displayed on the interface, and the fault code of the unit is not displayed.

The schematic diagram on the interface adopts a two-dimensional dynamic form, and the arrow of the electromagnetic valve can move left and right to represent the power-on and power-off conditions of different positions. The oil inlet and the oil return of the hydraulic oil circuit can display different colors. Oil intake is indicated in red and oil return in blue. The components such as the solenoid valve can be clicked, and the specific real object picture and the function description of the components are displayed.

The control system can feed back actions such as high-speed shaft braking, yaw braking, hydraulic pitch control and the like to the master control system, and the master control system can perform unified system control on the hydraulic station and the executing mechanism.

The hydraulic system control device for the wind turbine generator further comprises a controller 5, and the controller 5 is connected with the hydraulic system 1, the lubricating system 2 and the water cooling system 3.

The hydraulic system 1 comprises a main shaft brake 11 for preventing the transmission chain from shaking when in a static state, a yaw brake 12 for providing yaw resistance when in a power supply mode in a yaw mode and a slip ring device subsystem 13 for controlling blade pitch changing and impeller locking, wherein the main shaft brake 11, the yaw brake 12 and the slip ring device subsystem 13 are respectively connected with the controller 5 and provide hydraulic power for the controller 5 to mechanically control the fan.

Slip ring device subsystem 13 is including the first hydraulic pressure change thick liquid ware 131 and the second hydraulic pressure change thick liquid ware 132 of first paddle in the control fan respectively and second paddle angle to and be used for locking the wind wheel in order to prevent its pivoted impeller lock 133 when the fan shuts down, first hydraulic pressure change thick liquid ware 131, second hydraulic pressure change thick liquid ware 132, impeller lock 133 are connected with controller 5 respectively, first hydraulic pressure change thick liquid ware 131, second hydraulic pressure change thick liquid ware 132 become the oar for the paddle under different wind speeds and provide sufficient power support.

The lubricating system 2 comprises a generator lubricator 21 and a gearbox lubricator 22, and the generator lubricator 21 and the gearbox lubricator 22 are respectively connected with the controller 5; the motor lubricator 21 is used for forcibly lubricating a rear bearing of the generator, and the gearbox lubricator 22 is used for forcibly lubricating a front bearing, a 1-level sun gear, a 2-level sun gear, a 1-level planet gear and a 2-level planet gear of the gearbox; the lubricating system 2 can also convey the heated lubricating oil to the parts in a low-temperature state so as to heat the parts from inside to outside, realize cold start of the wind turbine generator, avoid the bad phenomena of brittle fracture, dry friction and the like during the operation of the gear box, and prolong the service life and functions of mechanical and electrical parts.

The water cooling system 3 comprises a generator water cooler 31 for cooling a generator winding, a rectifier cabinet water cooler 32 for cooling a rectifier cabinet, and a water cooling fan 33 for discharging heat generated after the generator water cooler 31 and the rectifier water cooler 32 are cooled to the outside of the whole machine, wherein the generator water cooler 31, the rectifier water cooler 32 and the water cooling fan 33 are respectively connected with the controller 5; the water cooling system 3 controls the temperature of the generator set, avoids long-term work under a high-temperature adverse state, ensures a good operation environment of components of the generator set, and ensures continuous and stable work.

Obviously, the first hydraulic station (singava unit hydraulic station) and the second hydraulic station (east steam unit hydraulic station) are connected with the actuating mechanism through valve block assemblies. The front end of the valve block assembly is provided with an independent electromagnetic valve and a pressure sensor, and the independent electromagnetic valve and the pressure sensor are used for ensuring that the first hydraulic station and the second hydraulic station can independently operate without mutual interference. The front end of the valve block assembly is designed with four pressure sensors (shown) for detecting the pressure of the hydraulic station system. The system pressure of the main system and each branch circuit can be monitored visually. When the rear end of the valve block assembly is connected with the actuating mechanism, a pressure reducing valve is designed to prevent the actuating mechanism parts from being damaged due to overhigh pressure. The front end of the pressure reducing valve is provided with a ball valve, so that the pressure reducing valve is convenient for equipment debugging and maintenance.

After the system is electrified, the two sets of hydraulic systems automatically work to pressurize to rated pressure, and at the moment, system pressure detection can be carried out, and system pressure testing can be realized through a pressure gauge or a sensor. When the first hydraulic station works, the second hydraulic station does not work, the first hydraulic station is completely communicated with a loop of the actuating mechanism, the yaw system and the main shaft system brake, and the hydraulic pitch system can test the system and demonstrate the operation of the actuating mechanism through an operation interface. When the hydraulic pressure II works, the hydraulic pressure station I does not work. The two sets of hydraulic systems can be switched randomly without mutual interference.

In order to ensure that the trainees and the equipment safety equipment are provided with the system emergency button, the emergency stop button is pressed to stop all actions of the system and stop the system. The non-special case strictly prohibits the operation of this button. The above examples of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Not all embodiments are exhaustive. All obvious changes and modifications which are obvious to the technical scheme of the invention are covered by the protection scope of the invention.