Variable-pitch simulation device and practical training platform for variable-pitch system of wind generating set

Abstract

The utility model provides a variable-pitch simulation device and a practical training platform of a variable-pitch system of a wind generating set, and belongs to the field of wind generating sets. The variable-pitch simulation device of the variable-pitch system of the wind generating set comprises a bracket, a variable-pitch motor, a speed reducer and a screw rod assembly, the bracket is used for placing the variable-pitch motor, the speed reducer and the screw rod assembly; the input end of the variable-pitch motor is connected with a variable-pitch shaft cabinet of a variable-pitch system of the wind generating set, and the variable-pitch motor is used for receiving control signals from the variable-pitch shaft cabinet. The output end of the variable-pitch motor is connected with the speed reducer and used for issuing a driving signal to the speed reducer according to the control signal; the speed reducer is connected with the lead screw assembly and used for driving the lead screw assembly to rotate according to the driving signal. The real machine training device is connected with the variable-pitch shaft cabinet of the variable-pitch system of the wind generating set to receive real signals of the variable-pitch system from the variable-pitch shaft cabinet, and the variable-pitch motor and the speed reducer perform corresponding displacement display according to the received real signals of the variable-pitch system, so that real machine training based on the variable-pitch shaft cabinet is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of wind generating set, concretely relates to a wind generating set variable pitch system practical training platform. BACKGROUND

[0002] In recent years, the single machine capacity of wind generating set is bigger and bigger, and the wind power generation technology is more and more complex, which undoubtedly increases the difficulty of wind farm operation and maintenance.

[0003] Therefore, cultivating a large number of wind power professionals is an important problem in the industry.

[0004] The variable pitch system is an important part of the wind generating set. Due to the high difficulty coefficient of the environment site and installation, if the maintenance is not in place during use, failure will occur, so more operation and maintenance personnel with technical level are needed to prevent frequent failures and ensure the normal operation of the wind generating set. In order to improve the technical level of maintenance personnel, training on the operation and control of the variable pitch system should be carried out in advance, but the wind generating set in reality is installed in the wild, the equipment is high and large, and it is in real-time operation state, which is not convenient for real machine training. UTILITY MODEL CONTENTS

[0005] In order to solve the above technical defects, the utility model provides a wind generating set variable pitch system variable pitch simulation device and practical training platform, the wind generating set variable pitch practical training platform is connected with the variable pitch shaft cabinet of the wind generating set variable pitch system, receives the real signal of the variable pitch system from the variable pitch shaft cabinet, and the variable pitch motor and the speed reducer are displayed according to the received real signal of the variable pitch system corresponding displacement, so as to realize the real machine training based on the variable pitch shaft cabinet.

[0006] The utility model provides a wind generating set variable pitch system variable pitch simulation device in the first aspect, it includes: support, variable pitch motor, speed reducer and screw rod assembly;

[0007] The support is used for placing the variable pitch motor, the speed reducer and the screw rod assembly;

[0008] The input end of the variable pitch motor is connected with the variable pitch shaft cabinet of the wind generating set variable pitch system, and is used for receiving the control signal from the variable pitch shaft cabinet;

[0009] The output end of the variable pitch motor is connected with the speed reducer, and is used for issuing the driving signal for the speed reducer according to the control signal;

[0010] The speed reducer is connected with the screw rod assembly, and is used for driving the screw rod assembly to rotate according to the driving signal;

[0011] The rotation state of the screw rod assembly corresponds to the variable pitch state of the wind generating set.

[0012] In the embodiment of the utility model, the support includes main support and vice support;

[0013] The main support has first plane and second plane which are arranged in parallel, the first plane is used for installing the variable pitch shaft cabinet, and the second plane is used for placing the speed reducer;

[0014] The screw rod assembly is arranged in the cavity formed between the first plane and the second plane;

[0015] The vice support is located on the second plane of the main support, the vice support has third plane, and the third plane is used for placing the variable pitch motor. In the embodiment of the utility model, the driving end of the screw rod assembly is connected with the speed reducer through the shaft coupling.

[0016] In the embodiment of the utility model, the screw rod assembly includes screw rod and movable slider;

[0017] The driving end of the screw rod is connected with the speed reducer, the movable slider is sleeved on the screw rod, the movable slider moves along with the rotation of the screw rod, and the moving distance of the movable slider corresponds to the variable pitch angle of the blade of the wind turbine generator.

[0018] In the embodiment of the utility model, further include: scale;

[0019] The scale is arranged in parallel with the screw rod, and the scale is used for measuring the moving distance of the movable slider.

[0020] In the embodiment of the utility model, the scale is transparently arranged, and the material of the scale is organic plastic.

[0021] In the embodiment of the utility model, further include: pointer frame;

[0022] The pointer frame includes fixed end and pointer end, and the fixed end is fixed on the movable slider;

[0023] The pointer end is in contact with the scale;

[0024] The pointer end is driven by the movable slider and slides on the scale.

[0025] In the embodiment of the utility model, further include: limit switch;

[0026] The limit switch is connected with the variable pitch shaft cabinet, the limit switch is arranged on the first plane, is used for monitoring the moving path of the movable slider, when the movable slider reaches the preset limit position, the limit switch sends the limit signal to the variable pitch shaft cabinet.

[0027] In the embodiment of the utility model, still include: proximity switch,

[0028] The proximity switch is connected with the variable pitch shaft cabinet, the proximity switch is arranged on the first plane, is used for monitoring the moving path of the moving slider, when the moving slider reaches the preset record position, the proximity switch sends the proximity signal to the variable pitch shaft cabinet.

[0029] In the embodiment of the utility model, the reduction ratio of the speed reducer ranges between 1:5 and 1:6.

[0030] The utility model discloses a second aspect provides a kind of wind turbine generator system variable pitch system practical training platform, including multiple as described above wind turbine generator system variable pitch system variable pitch simulation device;

[0031] Multiple variable pitch simulation devices are respectively connected with multiple variable pitch shaft cabinets of wind turbine generator system variable pitch system.

[0032] In the embodiment of the utility model, the variable pitch simulation device has three, and is respectively connected with three variable pitch shaft cabinets of wind turbine generator system variable pitch system.

[0033] The wind turbine generator system variable pitch practical training platform is connected with the variable pitch shaft cabinet of wind turbine generator system variable pitch system, receives the real signal of the variable pitch system from the variable pitch shaft cabinet, and the variable pitch motor and the speed reducer are according to the real signal of the variable pitch system received Corresponding displacement display is realized based on the real machine training of the variable pitch shaft cabinet.

[0034] Other features and advantages of the technical scheme of the utility model will be described in detail in the specific implementation mode part below. BRIEF DESCRIPTION OF DRAWINGS

[0035] The drawings explained here are used to provide further understanding of the utility model, and constitute a part of the utility model, and the illustrative embodiment of the utility model and its explanation are used to explain the utility model, and do not constitute undue limitation to the utility model. In the drawings:

[0036] Figure 1 It is the structure schematic view of wind turbine generator system variable pitch simulation device provided by the embodiment of the utility model;

[0037] Figure 2 It is the size drawing of the mounting flange of variable pitch motor provided by the embodiment of the utility model;

[0038] Figure 3 It is the structure schematic view of pointer frame provided by the embodiment of the utility model.

[0039] Explanation of reference signs

[0040] 01-pitch motor, 02-reducer, 03-screw rod assembly, 04-first plane, 05-second plane, 06-third plane, 07-scale, 08-pointer frame, 09-cable fixing tube, 10-cable groove. DETAILED DESCRIPTION

[0041] In order to make the technical scheme and advantages of the embodiments of the present application clearer and more apparent, the exemplary embodiments of the present application will be further described in detail below with reference to the drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0042] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0043] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0044] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or can communicate with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0045] In the process of implementing the present application, the inventors found that in recent years, the single machine capacity of wind turbine generators is getting larger and larger, and the wind power generation technology is getting more and more complex, which undoubtedly increases the difficulty of wind farm operation and maintenance.

[0046] Therefore, cultivating a large number of professionals in the field of wind power generation is an important problem of the industry.

[0047] The variable pitch system is an important component of the wind turbine generator set. Due to the high difficulty coefficient of the installation site and the installation difficulty, if the maintenance is not in place during use, failure will occur, so more operation and maintenance personnel who meet the technical level are needed to prevent frequent failures and ensure the normal operation of the wind turbine generator set. In order to improve the technical level of the maintenance personnel, training on the operation and control of the variable pitch system should be carried out in advance, but the wind turbine generator set in reality is inconvenient for real machine training because the installation site is in the wild, the equipment is high and large, and it is in real-time operation state.

[0048] In order to solve the above problems, the utility model embodiment provides a wind turbine generator set variable pitch system variable pitch simulation device, including: support, variable pitch motor 01, speed reducer 02 and screw rod assembly 03, the support is used for placing variable pitch motor 01, speed reducer 02 and screw rod assembly 03, the input of variable pitch motor 01 is connected with the variable pitch shaft cabinet of wind turbine generator set variable pitch system, is used for receiving the control signal from the variable pitch shaft cabinet, the output of variable pitch motor 01 is connected with speed reducer 02, is used for issuing drive signal for speed reducer 02 according to the control signal, speed reducer 02 is connected with screw rod assembly 03, is used for driving screw rod assembly 03 to rotate according to the drive signal, the rotation state of screw rod assembly 03 corresponds to the variable pitch state of wind turbine generator set. The wind turbine generator set variable pitch training platform is connected with the variable pitch shaft cabinet of wind turbine generator set variable pitch system, receives the real signal of the variable pitch system from the variable pitch shaft cabinet, and variable pitch motor 01 and speed reducer 02 display corresponding displacement according to the received real signal of the variable pitch system, to realize real machine training based on the variable pitch shaft cabinet.

[0049] Figure 1 It is the structure diagram of the wind turbine generator set variable pitch system variable pitch simulation device provided by the utility model embodiment. As shown in Figure 1 The wind turbine generator set variable pitch system variable pitch simulation device provided by the embodiment includes: support, variable pitch motor 01, speed reducer 02 and screw rod assembly 03.

[0050] The support is used for placing variable pitch motor 01, speed reducer 02 and screw rod assembly 03.

[0051] The input of variable pitch motor 01 is connected with the variable pitch shaft cabinet of wind turbine generator set variable pitch system, is used for receiving the control signal from the variable pitch shaft cabinet.

[0052] The output of variable pitch motor 01 is connected with speed reducer 02, is used for issuing drive signal for speed reducer 02 according to the control signal.

[0053] The speed reducer 02 is connected with the screw rod assembly 03, and is used for driving the screw rod assembly 03 to rotate according to the driving signal.

[0054] The rotating state of the screw rod assembly 03 corresponds to the variable pitch state of the wind turbine generator set.

[0055] The rotating of the screw rod assembly 03 simulates the variable pitch process of the wind turbine generator set.

[0056] Specifically, the variable pitch shaft cabinet controls the variable pitch motor 01 to drive the speed reducer 02, the output end of the speed reducer 02 is connected with the screw rod assembly 03, the variable pitch shaft cabinet sends a control instruction to the variable pitch motor 01, the variable pitch motor 01 drives the screw rod assembly 03 to rotate through the speed reducer 02, so that the variable pitch state of the blade according to the control instruction is simulated, and specifically, the functions of opening the blade and making the blade to be in the state of variable pitch can be simulated.

[0057] The variable pitch shaft cabinet is a real control cabinet of the variable pitch system of the wind turbine generator set, is convenient to move, and can be installed on the support. In the embodiment, the variable pitch shaft cabinet has the parameters of 1112*416*590 in length, width and height, and weighs about 150 KG.

[0058] In the embodiment, the support includes a main support and a sub support.

[0059] The main support has a first plane 04 and a second plane 05 which are arranged in parallel, the first plane 04 is used for installing the variable pitch shaft cabinet, and the second plane 05 is used for placing the speed reducer 02.

[0060] The screw rod assembly 03 is arranged in a cavity formed between the first plane 04 and the second plane 05.

[0061] The sub support is located on the second plane 05 of the main support, and the sub support has a third plane 06, and the third plane 06 is used for placing the variable pitch motor 01.

[0062] In the embodiment, the driving end of the screw rod assembly 03 is connected with the speed reducer 02 through a shaft coupling.

[0063] Specifically, the third plane 06 is provided with a mounting port of the variable pitch motor 01, the variable pitch motor 01 is mounted on the mounting port through a flange, Figure 2 is a size drawing of the mounting flange of the variable pitch motor 01 provided in the embodiment of the utility model, as Figure 2 shown, the parameters of the mounting port of the variable pitch motor 01 are as follows: the variable pitch motor 01 parameters: the shaft of the variable pitch motor 01 is Φ38mm, the tolerance is k6, the size of the variable pitch motor 01 is 10mm, the tolerance is h8, the size of the shaft key groove is 10mm, the tolerance is P9, the rated power is 10.3kw, and the rated rotating speed is 2000rpm.

[0064] In the embodiment, the size of the main support is (length* width* height): 1300mm*600mm*1000mm; and the size of the auxiliary support is (length* width* height): 400mm*600mm*520mm.

[0065] Specifically, the first plane 04 and the second plane 05 of the main support are supported by a plurality of support rods, and the third plane 06 of the auxiliary support and the first plane 04 of the main support are also supported by a plurality of support rods.

[0066] In the embodiment, the speed reducer 02 is installed behind the second plane 05, and the front, back, left and right four sides of the speed reducer 02 are packaged with detachable stainless steel plates. On the left side of the second plane 05, a variable pitch shaft cabinet and a sensor bellows are fixed.

[0067] In the embodiment, the lead screw assembly 03 includes a lead screw and a moving block, and the lead screw assembly 03 is a double-shaft ball screw linear slide;

[0068] The driving end of the lead screw is connected to the speed reducer 02, the moving block is sleeved on the lead screw, the moving block moves with the rotation of the lead screw, and the moving distance of the moving block corresponds to the pitch angle of the blade of the wind turbine generator set.

[0069] In the embodiment, a scale 07 is further included.

[0070] The scale 07 is arranged in parallel with the lead screw, and the scale 07 is used to measure the moving distance of the moving block.

[0071] In the embodiment, the scale 07 is transparent, and the material of the scale 07 is organic plastic.

[0072] In the embodiment, the effective scale of the scale 07 is 110cm, specifically -10cm to 100cm. The precision of the scale 07 is millimeter.

[0073] In the embodiment, the scale 07 is installed on the front support rod of the main support.

[0074] Figure 3 is a structure diagram of a pointer frame 08 provided by the embodiment of the utility model, as Figure 3 shown, the embodiment further includes a pointer frame 08.

[0075] The pointer frame 08 includes a fixed end and a pointer end, the fixed end is fixedly arranged on the moving block, the pointer end is in contact with the scale 07, and the pointer end slides on the scale 07 under the driving of the moving block.

[0076] In the embodiment, the pointer frame 08 is made of stainless steel, and the pointer end of the pointer frame 08 is provided with a pointer which is parallel to the scale 07.

[0077] In the embodiment, the main support and the auxiliary support are made of stainless steel.

[0078] In the embodiment, the support rod of the main support is provided with a cable fixing pipe 09 which is used for fixing the cable connected between the variable pitch motor 01, the speed reducer 02 and the variable pitch shaft cabinet.

[0079] In the embodiment, a cable groove 10 is further provided.

[0080] In the embodiment, a limit switch is further included.

[0081] The limit switch is connected with the variable pitch shaft cabinet, and is arranged on the first plane 04 and used for monitoring the moving path of the moving slider, and when the moving slider reaches a preset limit position, the limit switch sends a limit signal to the variable pitch shaft cabinet.

[0082] In the embodiment, a proximity switch is further included.

[0083] The proximity switch is connected with the variable pitch shaft cabinet, and is arranged on the first plane 04 and used for monitoring the moving path of the moving slider, and when the moving slider reaches a preset limit position, the limit switch sends a limit signal to the variable pitch shaft cabinet.

[0084] In the embodiment, the speed reduction ratio of the speed reducer 02 ranges from 1:5 to 1:6.

[0085] The second aspect of the embodiment provides a wind turbine generator unit variable pitch system practical training platform, which comprises a plurality of wind turbine generator unit variable pitch system variable pitch simulation devices as described above.

[0086] The plurality of variable pitch simulation devices are respectively connected with a plurality of variable pitch shaft cabinets of the wind turbine generator unit variable pitch system.

[0087] In the embodiment, the wind turbine generator unit variable pitch system variable pitch simulation device has three, and is respectively connected with three variable pitch shaft cabinets of the wind turbine generator unit variable pitch system.

[0088] Although the preferred embodiments of the present application have been described, those skilled in the art can make further changes and modifications to the embodiments once they know the basic creative concept. Therefore, the appended claims are intended to be interpreted as including all changes and modifications falling within the scope of the present application.

[0089] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application also intends to include these modifications and variations.

[0090] The optional embodiments of the present application are described in detail above in combination with the drawings, but the present application embodiments are not limited to the specific details in the above embodiments. Within the technical concept range of the present application embodiments, the technical solutions of the present application embodiments can be variously simply modified, and these simple modifications all belong to the protection range of the present application embodiments. In addition, it should be noted that, in the above specific embodiments, various specific technical features described in the above specific embodiments can be combined in any appropriate manner without contradiction, as long as the combination does not deviate from the idea of the present application embodiments, it should also be considered as the disclosed content of the present application embodiments.

Claims

1. A wind turbine system variable pitch system variable pitch simulation device, characterized by, The wind turbine generator unit variable pitch system variable pitch simulation device comprises a support, a variable pitch motor, a speed reducer and a screw rod assembly. The support is used for placing the variable pitch motor, the speed reducer and the screw rod assembly, and comprises a main support and a sub-support. The main support has a first plane and a second plane arranged in parallel, the first plane is used for mounting the variable pitch shaft cabinet, and the second plane is used for placing the speed reducer. The screw rod assembly is arranged in a cavity formed between the first plane and the second plane. The sub-support is located on the second plane of the main support, and has a third plane used for placing the variable pitch motor. An input end of the variable pitch motor is connected with a variable pitch shaft cabinet of the wind turbine generator unit variable pitch system, and is used for receiving a control signal from the variable pitch shaft cabinet. An output end of the variable pitch motor is connected with the speed reducer, and is used for issuing a driving signal for the speed reducer according to the control signal. The speed reducer is connected with the screw rod assembly through a shaft coupling, and is used for driving the screw rod assembly to rotate according to the driving signal. A rotating state of the screw rod assembly corresponds to a variable pitch state of the wind turbine generator unit, and the screw rod assembly comprises a screw rod and a moving slider. A driving end of the screw rod is connected with the speed reducer, the moving slider is sleeved on the screw rod, the moving slider moves along with the rotation of the screw rod, and a moving distance of the moving slider corresponds to a variable pitch angle of a blade of the wind turbine generator unit. Further comprising:

2. The wind turbine system variable pitch system pitch simulation apparatus according to claim 1, wherein, a scale ruler; The scale ruler is arranged in parallel with the screw rod, and is used for measuring the moving distance of the moving slider. Further comprising:

3. The wind turbine system variable pitch system pitch simulation apparatus according to claim 2, wherein, a pointer frame; The pointer frame comprises a fixed end and a pointer end, the fixed end is fixed on the moving slider; The pointer end is in contact with the scale ruler; The pointer end slides on the scale ruler under the driving of the moving slider. Further comprising:

4. The wind turbine system variable pitch system pitch simulation apparatus of claim 1, wherein, a limit switch; The limit switch is connected with the variable pitch shaft cabinet, and is arranged on the first plane, and is used for monitoring a moving path of the moving slider, and sends a limit signal to the variable pitch shaft cabinet when the moving slider reaches a preset limit position. Further comprising:

5. The wind turbine system variable pitch system pitch simulation apparatus of claim 1, wherein, a proximity switch; The proximity switch is connected with the variable pitch shaft cabinet, and is arranged on the first plane, and is used for monitoring a moving path of the moving slider, and sends a proximity signal to the variable pitch shaft cabinet when the moving slider reaches a preset recording position. The speed reduction ratio of the speed reducer ranges from 1:5 to 1:

6.

6. The wind turbine system variable pitch system pitch simulation apparatus of claim 1, wherein, The wind turbine generator unit variable pitch system variable pitch simulation device comprises a plurality of wind turbine generator unit variable pitch system variable pitch simulation devices.

7. A wind turbine generator system variable pitch system practical training platform, characterized in that, A plurality of variable pitch simulation devices are respectively connected with a plurality of variable pitch shaft cabinets of the wind turbine generator unit variable pitch system. ​

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