CN109296504B - Wind turbine generator system control system and state monitoring device of bolt group thereof - Google Patents
Wind turbine generator system control system and state monitoring device of bolt group thereof Download PDFInfo
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- CN109296504B CN109296504B CN201811196863.5A CN201811196863A CN109296504B CN 109296504 B CN109296504 B CN 109296504B CN 201811196863 A CN201811196863 A CN 201811196863A CN 109296504 B CN109296504 B CN 109296504B
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- bolt group
- module
- bolt
- microswitch
- prompt
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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
- F03D17/00—Monitoring or testing of wind motors, e.g. diagnostics
Abstract
The invention discloses a state monitoring device of a bolt group, which comprises an action monitoring module; a prompt module; and the processor controls the prompt module to prompt when the motion monitoring module monitors the motion of the bolt group. According to the invention, the processor can control the prompt module to prompt when the action monitoring module monitors the action of the bolt group, and after the prompt is received, a worker can know the fault of the bolt group and can perform maintenance and repair work without periodic inspection by the worker, so that the labor cost is reduced, the fault of the bolt group can be found in time, the working efficiency is improved, and potential safety hazards are eliminated. The invention also discloses a wind turbine generator control system which has the same beneficial effects as the state monitoring device.
Description
Technical Field
The invention relates to the field of motion monitoring, in particular to a state monitoring device of a bolt set, and further relates to a wind turbine generator control system.
Background
The bolt group is widely applied to various fields, such as large-scale machinery, building construction, rail transit and the like, however, due to various reasons such as external force impact, product quality, installation process and the like, the bolt group is easy to break and loosen, so that the device and the operator are threatened, and serious potential safety hazards exist. The mode of patrolling and examining regularly to bolt group through the staff discovers the fracture of bolt group and the trouble condition such as not hard up among the prior art, but this kind of artifical mode of patrolling and examining needs the staff to spend a large amount of time and energy, and the human cost is high, and work efficiency is low, and the bolt group of discovery trouble that can not be timely has the potential safety hazard.
Therefore, how to provide a solution to the above technical problem is a problem that needs to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide a state monitoring device of a bolt group, which reduces the labor cost, improves the working efficiency and eliminates potential safety hazards; the invention also aims to provide a wind turbine generator control system comprising the bolt group state monitoring device, so that the labor cost is reduced, the working efficiency is improved, and potential safety hazards are eliminated.
In order to solve the above technical problem, the present invention provides a state monitoring device for a bolt set, including:
an action monitoring module;
a prompt module;
and the processor controls the prompt module to prompt when the action monitoring module monitors the action of the bolt group.
Preferably, the motion monitoring module comprises:
the power supply module is used for sending a first switching value signal to the processor when the bolt group does not act;
the micro switch is used for controlling the power supply module to send a second switching value signal opposite to the first switching value signal to the processor when the bolt group acts;
and the fixing device is used for fixing the microswitch on the bolt group.
Preferably, the micro switch is multiple;
the micro switches are connected with the bolt groups in a one-to-one corresponding mode;
the fixing devices are multiple and are connected with the micro switches in a one-to-one correspondence mode.
Preferably, a plurality of the microswitches are connected in series to form a microswitch group;
the first end of the micro switch group is connected with the power supply module, and the second end of the micro switch group is connected with the processor.
Preferably, the power module is a dc power supply.
Preferably, the microswitch is a contact microswitch.
Preferably, the connection mode of the contact microswitch and the bolt group is as follows:
and a driving rod roller of the contact type microswitch is in contact connection with any edge on the circumscribed circle of the nut in the bolt group, so that a normally open contact of the microswitch is changed into a closed contact.
Preferably, the fixing means comprises:
the base is connected with the microswitch;
and the magnet is used for tightly combining the base and the bolt group so as to fix the micro switch.
In order to solve the technical problem, the invention further provides a wind turbine generator control system which comprises the state monitoring device of the bolt set.
Preferably, the processor is an existing main controller of the wind turbine control system.
The invention provides a state monitoring device of a bolt group, which comprises an action monitoring module; a prompt module; and the processor controls the prompt module to prompt when the motion monitoring module monitors the motion of the bolt group.
Therefore, in the invention, the processor can control the prompt module to prompt when the action monitoring module monitors the action of the bolt group, and after the prompt is received, a worker can know the fault of the bolt group and can perform maintenance and repair work without periodic inspection by the worker, so that the labor cost is reduced, the fault of the bolt group can be found in time, the working efficiency is improved, and potential safety hazards are eliminated.
The invention also provides a wind turbine generator control system which has the same beneficial effects as the state monitoring device.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed in the prior art and the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a state monitoring device for a bolt set according to the present invention;
FIG. 2 is a schematic structural diagram of a state monitoring device for another bolt set provided by the present invention;
fig. 3 is a schematic view of a connection mode between a contact microswitch and a bolt set according to the present invention.
Detailed Description
The core of the invention is to provide a state monitoring device of the bolt group, which reduces the labor cost, improves the working efficiency and eliminates the potential safety hazard; the other core of the invention is to provide the wind turbine generator control system comprising the bolt group state monitoring device, so that the labor cost is reduced, the working efficiency is improved, and potential safety hazards are eliminated.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a state monitoring device for a bolt set provided in the present invention, including:
an action monitoring module 1;
a prompt module 2;
and the processor 3 controls the prompt module 2 to prompt when the motion monitoring module 1 monitors the motion of the bolt group.
Specifically, in view of the technical problems in the background art, in the embodiment of the present invention, the motion monitoring module 1 can monitor the motion of the bolt group and transmit the motion to the processor 3, and the processor 3 can immediately control the prompt module 2 to prompt after learning the motion of the bolt group, so that a worker can know that the bolt group is in failure at the first time, and timely overhaul the bolt group and make corresponding damage-stopping measures, thereby preventing further expansion of the influence.
Specifically, the action of the bolt group may represent that the bolt group has a fault, and the fault may be a loose bolt group or a broken bolt group, for example, when the bolt group is loose, the relevant component may rotate, tilt or even fall off, and when the bolt group is broken, the relevant component may change in position or even fall off.
Of course, besides detecting the actions of the bolt group, the faults of the bolt group may also be determined by monitoring other types of data, for example, the faults of the bolt group may be pre-determined by an image recognition technology, and fine cracks generated by the bolt group may be timely found and timely replaced by the image recognition technology, which is not limited herein in the embodiments of the present invention.
Specifically, the action of the bolt group can be determined through the action monitoring, and it is determined that the bolt group has a fault, where there may be a process of determining whether the fault occurs from the monitoring data, and this determination process may be completed by the action monitoring module 1, or may be completed by the processor 3 after the action monitoring module 1 transmits the data to the processor 3, and the embodiment of the present invention is not limited herein.
For the prompt action, under the condition that the monitoring data is simple and clear, the processor 3 may directly send the data monitored by the action monitoring module 1 to the prompt module 2 for prompting, and a worker determines whether the bolt group is in action (fault), or certainly, the data may be prompted after the monitoring data is converted into a result of determining whether the bolt group is in fault, for example, after the bolt group is monitored in action, an action signal is converted into a result of determining that the bolt group is in fault and the prompt module 2 prompts the result, and the embodiment of the present invention is not limited herein.
The processor 3 can control the prompt module 2 to prompt the bolt group to operate, and can also control the prompt module 2 to prompt relevant data when the bolt group does not operate, for example, data monitored by the operation monitoring module 1, or directly prompt the bolt group to operate, so that a worker cannot find abnormality in time when the state monitoring device fails, and the processing of the failed bolt group is delayed.
Specifically, the processor 3 may be of various types, such as a single chip microcomputer or a PLC (programmable logic Controller), and the embodiment of the present invention is not limited herein.
Specifically, the prompting module 2 may be of various types, for example, a video prompt, a text prompt, or a light prompt, and the embodiment of the present invention is not limited herein.
In addition, the bolt groups in the embodiment of the present invention may be of various types, and may be larger-sized bolt groups, which are generally installed in a building site, a large-scale equipment area, and the like, and have a larger potential fault possibility, and a corresponding potential safety hazard is also larger.
The invention provides a state monitoring device of a bolt group, which comprises an action monitoring module; a prompt module; and the processor controls the prompt module to prompt when the motion monitoring module monitors the motion of the bolt group.
Therefore, in the invention, the processor can control the prompt module to prompt when the action monitoring module monitors the action of the bolt group, and after the prompt is received, a worker can know the fault of the bolt group and can perform maintenance and repair work without periodic inspection by the worker, so that the labor cost is reduced, the fault of the bolt group can be found in time, the working efficiency is improved, and potential safety hazards are eliminated.
On the basis of the above-described embodiment:
as a preferred embodiment, the motion monitoring module 1 includes:
the power module 11 is used for sending a first switching value signal to the processor 3 when the bolt group does not act;
the microswitch 12 is used for controlling the power supply module 11 to send a second switching value signal opposite to the first switching value signal to the processor 3 when the bolt group acts;
and a fixing device 13 for fixing the microswitch 12 on the bolt set.
Specifically, the embodiment of the present invention provides a specific type of the motion monitoring module 1, based on the idea that the micro switch 12 senses the fine motion of the bolt set, when the bolt set moves, the micro switch 12 may control the power module 11 to send the switching value change to the processor 3, and the processor 3 may determine that the bolt set has moved after receiving the switching value change, and perform a corresponding prompt, where the micro switch 12 in the embodiment of the present invention has advantages of low price, simple structure, and the like.
Specifically, the micro switch 12 in the embodiment of the present invention may be a mechanical structure, and mainly functions to control on/off of an electrical signal between the power module 11 and the processor 3, that is, the power module 11 does not supply power to the processor 3, the power module 11 only provides a first switching value signal to the processor 3 under the condition that the bolt set does not act, and after the bolt set acts, the power module 11 may provide an opposite second switching value signal to the processor 3.
Since the microswitch 12 in the embodiment of the present invention can detect the particularly fine movement of the bolt set, which requires that the microswitch 12 itself is stable when the bolt set is not in operation, the fixing device 13 in the embodiment of the present invention can provide a stable state for the microswitch 12 itself, so as to ensure that the microswitch 12 is not mistakenly moved when the bolt set is normal, and further ensure the accuracy of the prompt result.
Of course, besides the types of the motion monitoring modules 1 provided in the embodiments of the present invention, the motion monitoring modules 1 may also be of other types, and the embodiments of the present invention are not limited herein.
In the embodiment of the present invention, the processor 3, the power module 11, and the prompt module 2 except for the micro switch 12 may all adopt the existing processor 3, power module 11, and prompt module 2 in the control system of the application field, which can reduce the cost.
In addition, the power module 11 may be of various types, for example, may be a dc power module with low current and low voltage, which is beneficial to reducing the cost and improving the safety for human body and related equipment.
As a preferred embodiment, the micro switch 12 is plural;
the micro switches 12 are connected with the bolt groups in a one-to-one correspondence manner;
the number of the fixing devices 13 is plural, and the fixing devices are connected with the micro switches 12 in a one-to-one correspondence manner.
Specifically, the state monitoring device in the embodiment of the present invention includes a plurality of micro switches 12, each micro switch 12 is disposed on one bolt group, and a large number of bolt groups can be monitored at the same time, so as to meet requirements in various application scenarios, such as a construction site or a large equipment area, and the embodiment of the present invention is not limited herein.
The specific number of the microswitches 12 may be set autonomously according to a requirement, and the embodiment of the present invention is not limited herein.
As a preferred embodiment, a plurality of microswitches 12 are connected in series with each other to form a microswitch 12 group;
the first end of the microswitch 12 group is connected with the power supply module 11, and the second end of the microswitch 12 group is connected with the processor 3.
For better explaining the embodiment of the present invention, please refer to fig. 2, and fig. 2 is a schematic structural diagram of another state monitoring device for bolt sets according to the present invention.
Specifically, in the embodiment of the present invention, a plurality of micro switches 12 may be connected in series to form a micro switch 12 group, that is, a plurality of micro switches 12 are connected in series to form a completed circuit, in this case, only one power module 11 is needed to be connected to a first end of the micro switch 12 group, and one processor 3 is needed to be connected to a second end of the micro switch 12 group, when any one of a plurality of bolt groups corresponding to the micro switch 12 group is operated, the switching value provided by the power module 11 for the processor 3 is changed, the processor 3 controls the prompt module 2 to prompt, and the worker immediately performs the shutdown and maintenance work.
In the embodiment of the present invention, it is required that the initial state of the normally open terminal of each micro switch 12 is a closed state, in this case, when any micro switch 12 detects the action of the bolt group, the closed terminal is opened, then the whole signal path is opened, the processor 3 may receive the conversion from 1 to 0 of the switching value, and prompt the fault through the prompt module 2.
Of course, besides the serial connection in the embodiment of the present invention, there may be other connection modes between the plurality of micro switches 12 and the power source and the processor 3, and the embodiment of the present invention is not limited herein.
As a preferred embodiment, the power module 11 is a dc power supply.
Specifically, the direct current power supply has the advantages of stable electric energy output and the like.
Of course, the power module 11 may be of another type besides the dc power, and the embodiment of the present invention is not limited herein.
As a preferred embodiment, the microswitch 12 is a contact microswitch 12.
Specifically, the contact microswitch 12 can directly sense the slight movement change of the bolt group, and has the advantage of high sensitivity.
Of course, the microswitch 12 can be of other types besides the contact microswitch 12, and the embodiment of the present invention is not limited herein.
As a preferred embodiment, the contact microswitch 12 is connected with the bolt set in the following way:
the driving rod roller of the contact type microswitch 12 is in contact connection with any edge on the circumcircle of the nut in the bolt set, so that the normally open contact of the microswitch 12 is changed into a closed contact.
For better explaining the embodiment of the present invention, please refer to fig. 3, and fig. 3 is a schematic diagram illustrating a connection manner between the touch microswitch 12 and the bolt set according to the present invention.
Specifically, the driving rod roller of the contact type microswitch 12 can be in contact connection with any edge on the circumscribed circle of the nut in the bolt group, namely, acting force is applied to the trigger point of the microswitch 12 by the edge on the outermost edge of the nut, so that the microswitch 12 acts, the internal normally open contact is changed into a closed contact, under the condition, the processor 3 can receive an electric signal that the switching value of the power module 11 is 1, when the bolt group has fine action, the edge on the outermost edge of the nut is easily separated from the trigger point of the microswitch 12, the internal normally open contact of the microswitch 12 can be restored to the initial state, at the moment, the power module 11 cannot provide the electric signal for the processor 3, at the moment, the processor 3 equivalently receives the electric signal that the switching value is 0, and the action of the bolt group can be judged.
In the connection mode provided in the embodiment of the invention, the microswitch 12 can be used for monitoring the extremely fine action of the bolt group, for example, the microswitch 12 can be restored to the initial state after the nut rotates by less than 1 degree, and the monitoring accuracy is further improved.
Of course, besides the installation method provided in the embodiment of the present invention, the connection relationship between the contact microswitch 12 and the bolt set may be set to other types, and the embodiment of the present invention is not limited herein.
As a preferred embodiment, the fixing means 13 comprises:
a base connected with the microswitch 12;
and a magnet for tightly coupling the base and the bolt set so as to fix the micro switch 12.
Specifically, in the embodiment of the present invention, the base connected to the microswitch 12 is fixed to the bolt set by the magnet, so that the stability of the microswitch 12 itself can be ensured, and the stability of the microswitch 12 itself is further improved.
The magnet may be a magnet with strong magnetic force, and the shape and material of the base may be selected according to the requirement, which is not limited herein in the embodiments of the present invention.
Wherein, magnet and base can have multiple connected relation, and magnet for example can inlay inside the base, conveniently sets up the whole of magnet and base in positions such as the flange of bolt group.
Of course, besides the type of the fixing device 13 provided in the embodiment of the present invention, the fixing device 13 may also be of other types, and the embodiment of the present invention is not limited herein.
The invention also provides a wind turbine generator control system which comprises the bolt group state monitoring device in any one of the embodiments.
As a preferred embodiment, the processor 3 is an existing main controller of the wind turbine control system.
Specifically, the existing main controller of the wind turbine control system is used as the processor 3 in the embodiment of the invention, so that the cost can be saved, and a powerful calculation function can be provided if necessary.
In the wind turbine generator system, when the main controller receives the changed switching value, the main controller can control the related equipment to stop except the control prompt module 2 to prompt so that the worker can check, confirm and replace the bolt group, and after finishing all the work, the worker can reset the micro switch 12 corresponding to the bolt group with the fault so as to continue to monitor the action of the bolt group.
Of course, the processor 3 may be additionally provided besides the existing main controller of the wind turbine control system, and the embodiment of the present invention is not limited herein.
For the description of the wind turbine generator control system provided by the embodiment of the present invention, reference is made to the foregoing embodiment of the state monitoring device, and details of the embodiment of the present invention are not repeated herein.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. It is further noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. A condition monitoring device for a bolt set, comprising:
an action monitoring module;
a prompt module;
the processor controls the prompt module to prompt when the action monitoring module monitors the action of the bolt group;
the motion monitoring module includes:
the power supply module is used for sending a first switching value signal to the processor when the bolt group does not act;
the micro switch is used for controlling the power supply module to send a second switching value signal opposite to the first switching value signal to the processor when the bolt group acts;
the fixing device is used for fixing the microswitch on the bolt group;
the microswitch is a contact microswitch;
the connection mode of the contact-type microswitch and the bolt group is as follows:
a driving rod roller of the contact type microswitch is in contact connection with any edge on the circumscribed circle of the nut in the bolt group, so that a normally open contact of the microswitch is changed into a closed contact;
the fixing device includes:
the base is connected with the microswitch;
and the magnet is used for tightly combining the base and the bolt group so as to fix the micro switch.
2. The condition monitoring device according to claim 1, wherein the micro switch is plural;
the micro switches are connected with the bolt groups in a one-to-one corresponding mode;
the fixing devices are multiple and are connected with the micro switches in a one-to-one correspondence mode.
3. The condition monitoring device according to claim 2, wherein a plurality of said micro switches are connected in series to form a micro switch group;
the first end of the micro switch group is connected with the power supply module, and the second end of the micro switch group is connected with the processor.
4. The condition monitoring device of claim 1, wherein the power module is a dc power supply.
5. A wind turbine generator control system, comprising a condition monitoring device of the bolt set according to any one of claims 1 to 4.
6. The wind turbine control system of claim 5, wherein the processor is an existing master controller of the wind turbine control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811196863.5A CN109296504B (en) | 2018-10-15 | 2018-10-15 | Wind turbine generator system control system and state monitoring device of bolt group thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811196863.5A CN109296504B (en) | 2018-10-15 | 2018-10-15 | Wind turbine generator system control system and state monitoring device of bolt group thereof |
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| CN109296504A CN109296504A (en) | 2019-02-01 |
| CN109296504B true CN109296504B (en) | 2021-03-19 |
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| CN201811196863.5A Active CN109296504B (en) | 2018-10-15 | 2018-10-15 | Wind turbine generator system control system and state monitoring device of bolt group thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110068665A (en) * | 2019-04-22 | 2019-07-30 | 云南电力技术有限责任公司 | The detection device and method of a kind of wind-driven generator, bolt defect |
| CN111341075B (en) * | 2020-03-06 | 2021-11-16 | 国家电投集团徐闻风力发电有限公司 | Alarm system and alarm method for looseness of bolts of wind turbine tower |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101325710B1 (en) * | 2012-02-15 | 2013-11-06 | 삼성중공업 주식회사 | Apparatus for monitoring loose nut of wind turbine generator |
| CN205135918U (en) * | 2015-11-23 | 2016-04-06 | 北京科信源新能源科技有限公司 | Wind turbine generator system bolt monitoring protection system |
| CN105699070B (en) * | 2016-04-27 | 2018-12-18 | 安徽容知日新科技股份有限公司 | A kind of apparatus and system that monitoring part falls off |
| CN206020338U (en) * | 2016-08-26 | 2017-03-15 | 北京普华亿能风电技术有限公司 | A kind of Wind turbines bolt fracture monitoring device |
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