CN115575814A - Small-size hydraulic generator carbon brush detecting system that strikes sparks - Google Patents
Small-size hydraulic generator carbon brush detecting system that strikes sparks Download PDFInfo
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- CN115575814A CN115575814A CN202211218815.8A CN202211218815A CN115575814A CN 115575814 A CN115575814 A CN 115575814A CN 202211218815 A CN202211218815 A CN 202211218815A CN 115575814 A CN115575814 A CN 115575814A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
- G01R31/343—Testing dynamo-electric machines in operation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/02—Means for indicating or recording specially adapted for thermometers
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/25—Devices for sensing temperature, or actuated thereby
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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
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Abstract
The invention relates to the technical field of a water turbine generator detection system, and discloses a small water turbine generator carbon brush sparking detection system, which comprises a power station monitoring system and a sensor group, and is characterized in that: the sensor group is in communication connection with the power station monitoring system; the sensor group comprises a temperature polling instrument and temperature measuring sensor equipment; the temperature measuring sensor is used for being arranged on a metal brush holding plate on a large shaft of the hydraulic generator, the metal brush holding plate is provided with a positive/negative electric ring, and the temperature measuring sensor is respectively in contact conduction with the metal brush holding plates on the excitation current positive electrode carbon brush group and the excitation current negative electrode carbon brush group and is used for monitoring the temperature on the metal brush holding plates in real time and transmitting the temperature change value to a power station monitoring system for processing; the power station monitoring system is used for receiving the temperature data obtained by the sensor group to acquire, compare, analyze and diagnose. The invention has the advantages of intelligent detection, simplicity, reliability and capability of early warning faults in real time.
Description
Technical Field
The invention relates to the technical field of a water turbine generator detection system, in particular to a carbon brush sparking detection system of a small water turbine generator.
Background
The hydraulic generator is generally composed of a stator, a rotor, an end cover, a bearing and other parts, wherein the rotor is pushed by external water power to generate a rotating magnetic field, so that a stator winding performs cutting magnetic induction motion, and power generation is realized; the magnetic field of the rotor of the hydraulic generator is established by exciting current provided by an external exciting device, the exciting current is transmitted to the rotor through dynamic contact of the carbon brush and a collector ring of the generator rotating at a high speed to generate a magnetic field, the mechanical dynamic contact can generate heat due to poor contact to generate sparking, the carbon brush and the collector ring on a rotating bearing of the generator are ablated, once the ablation occurs, the contact conduction condition between the carbon brush and the collector ring is further deteriorated, the ablation fault can be rapidly expanded in a short time, and equipment and operation risks are caused.
According to the existing technical means, the ignition fault of the carbon brush cannot be completely eradicated, and the practical method is to monitor the running condition of the carbon brush in real time, quickly find the ignition of the carbon brush and perform manual intervention and treatment in time.
The carbon brush of the hydraulic generator is ignited and is not directly reflected by a proper special sensor temporarily, at present, a power plant basically adopts a method of manual regular inspection, inspection personnel are dispatched at intervals to carefully inspect the combination part of the carbon brush and the rotating collecting ring, if the phenomenon of flashover is not found, the inspection is considered to be normal, the discrete inspection mode has serious real-time problems, and potential fault hidden dangers cannot be revealed. In addition, a special camera is additionally arranged near the carbon brush, and detection is performed in a video identification mode, so that the technology is not mature, and the comprehensive cost is high. Along with the popularization of small hydropower stations in centralized operation and centralized maintenance modes, the power station can comprehensively realize unmanned operation, and therefore a carbon brush ignition detection system of a small hydraulic generator needs to be provided.
Disclosure of Invention
The invention provides a carbon brush ignition detection system of a small hydraulic generator, which has intelligent detection, is simple and reliable, can early warn faults in real time, avoids the ablation of collecting rings caused by carbon brush ignition as much as possible, has the beneficial effect of avoiding the expansion of accidents, and solves the problem of hidden fault danger caused by the manual inspection mode in the background technology.
The invention provides the following technical scheme: a small hydro-generator carbon brush sparking detection system comprises a power station monitoring system and a sensor group, wherein the sensor group is in communication connection with the power station monitoring system;
the sensor group comprises a temperature polling instrument and temperature measuring sensor equipment;
the temperature measuring sensor is used for being installed on a metal brush holding plate on a large shaft of the hydraulic generator, the metal brush holding plate is provided with a positive/negative electric ring, and the temperature measuring sensor is respectively in contact conduction with the metal brush holding plates on the excitation current positive electrode carbon brush group and the excitation current negative electrode carbon brush group and is used for monitoring the temperature on the metal brush holding plates in real time and transmitting the temperature change value to a power station monitoring system for processing;
the power station monitoring system is used for receiving the temperature data obtained by the sensor group to acquire, compare, analyze and diagnose.
As an alternative of the carbon brush ignition detection system for the small-sized hydro-generator, the invention comprises: the temperature measuring sensor equipment is used for being respectively in contact conduction with the exciting current anode carbon brush set and the exciting current cathode carbon brush set;
injecting exciting current into a rotor coil of the generator from the outside, wherein the current is set to be 100-500A; on the whole transmission line of the exciting current, only the carbon brush is in dynamic contact connection with the collecting ring, and the long-term stability of the contact condition is poor;
if poor contact is likely to cause a sparking fault, a large amount of heat energy is released from the contact surface of the carbon brush and the collecting ring when sparking occurs, so that the temperature is rapidly increased, the metal collecting ring is often ablated, and the heat can be rapidly transferred to the metal brush holding plate through the carbon brush and the metal brush holding frame at the moment, and the temperature of the metal brush holding plate can be synchronously and rapidly increased along with the sparking of the carbon brush due to the good thermal conductivity of the metal and the carbon brush;
although the temperature measured from the brush holding plate is lower than the temperature generated at the contact surface of the carbon brush and the collecting ring, the change trends of the temperature measured from the brush holding plate are consistent, so that the running condition of the carbon brush can be indirectly reflected through a temperature measuring sensor on the metal brush holding plate;
in addition, the change of the exciting current can also influence the temperature of the carbon brush, and the temperature is further transmitted to a power station monitoring system for detection in real time.
As an alternative of the carbon brush sparking detection system of the small hydro-generator, the invention comprises the following steps: the power station monitoring system comprises a data receiving module, a fault diagnosis module, a big data module and a visualization module;
the data receiving module is used for acquiring the data acquired by the sensor group, acquiring the data and sending the data to the fault diagnosis module and the big data module;
the big data module is used for storing fault data of various hydraulic generators and corresponding solution data;
the fault diagnosis data module is used for analyzing and comparing fault data of the big data module and carbon brush temperature data of the hydraulic generator acquired by the data receiving module to obtain a preliminary diagnosis result, comparing similarity of received outputs in the database, visually displaying the received outputs through the visualization module, and sending the displayed outputs to the display screen for displaying.
As an alternative of the carbon brush sparking detection system of the small hydro-generator, the invention comprises the following steps: the power station monitoring system also comprises a positioning module;
the positioning module is used for positioning the received carbon brush temperature of the hydraulic generator, and the positioning point is conveniently sent to the visualization module to be identified.
As an alternative of the carbon brush ignition detection system for the small-sized hydro-generator, the invention comprises: the power station system monitoring system also comprises a reminding module;
the reminding module is used for reminding and alarming in real time after the temperature of the carbon brush of the hydraulic generator reaches an alarm value.
As an alternative of the carbon brush ignition detection system for the small-sized hydro-generator, the invention comprises: the reminding module comprises a risk module;
the risk module is connected with the big data module and used for calling a carbon brush temperature safety value, a risk value and a danger value range of the hydraulic generator in the big data;
the temperature range threshold of the carbon brush of the hydraulic generator is divided into a first level, a second level and a third level in the risk module, and the three levels are divided;
the level I threshold value is about a safety value, but is still within a safety value range, and the temperature value of the level I threshold value is set to be within 40-80 ℃;
the class II threshold is within a dangerous range, i.e., a fault has occurred, but not reaching an extreme value, e.g., a temperature of 80 ℃ to 120 ℃;
the grade III threshold value is at an extreme value, the temperature is abnormally high, the temperature is set within 120-160 ℃, and emergency shutdown treatment is carried out.
As an alternative of the carbon brush ignition detection system for the small-sized hydro-generator, the invention comprises: the risk module further comprises an emergency maintenance module;
the emergency maintenance module is in communication connection with the risk module and used for processing the alarm prompt signal sent by the risk module and sending the alarm maintenance signal, and manual intervention prompt is given before a potential carbon brush ignition fault occurs.
As an alternative of the carbon brush sparking detection system of the small hydro-generator, the invention comprises the following steps: the emergency maintenance module comprises a response unit and a tracking unit;
the response unit is used for setting time, so that manual intervention is responded, maintenance response is obtained, and later-stage maintenance is facilitated;
the tracking unit is used for tracking the actual effect of later maintenance, and recording and tracking the maintenance time and the fault processing flow.
As an alternative of the carbon brush sparking detection system of the small hydro-generator, the invention comprises the following steps: the big data module is connected with an updating module and used for updating data in the big data module in a 3G, 4G network, wired network and WI-FI network mode.
As an alternative of the carbon brush sparking detection system of the small hydro-generator, the invention comprises the following steps: and the alarm in the reminding module adopts an audible and visual alarm.
The invention has the following beneficial effects:
1. this small-size hydraulic generator carbon brush detecting system that strikes sparks has utilized the temperature rise that the carbon brush excessively generates heat and arouses to differentiate the trouble of striking sparks among the generator operation process, and the simple reliability of detection mode, the temperature sensor cost of extra increase is extremely low, can ignore, and the implementation mode is very simple and convenient.
2. According to the small-sized hydrogenerator carbon brush sparking detection system, the change of the temperature characteristic of the combining part of the carbon brush and the collecting ring is monitored in real time, manual intervention prompt is given before a potential carbon brush sparking fault occurs, the collecting ring ablation caused by carbon brush sparking is avoided as much as possible, the expansion of accidents is avoided, and the unplanned downtime is reduced.
3. This small-size hydraulic generator carbon brush detecting system that strikes sparks, through with hydraulic generator's carbon brush temperature carries out real-time supervision through sensor group to data receiving module, failure diagnosis module, big data module, orientation module, visual module and the warning module through among the power station monitored control system, acquire, compare, the analysis, the diagnosis, location and warning, and set up the threshold value that the risk was estimated, when reacing risk level threshold value, report to the police and remind and emergency maintenance, guarantee later maintenance response, the collecting ring ablation of arousing because of the carbon brush strikes sparks has been avoided as far as possible, the expansion of accident has been stopped, unplanned down time has been reduced, the security of equipment production has been improved.
Drawings
FIG. 1 is a schematic flow chart of the system of the present invention.
Fig. 2 is a schematic diagram of the connection communication process of the sensor group structure and the hydraulic generator.
Fig. 3 is a schematic diagram of the process flow before and after the occurrence of the ignition fault of the carbon brush according to the invention.
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.
Example 1
The carbon brush of the hydraulic generator is ignited and is not directly reflected by a proper special sensor temporarily, at present, a power plant basically adopts a method of manual regular inspection, inspection personnel are dispatched at intervals to carefully inspect the combination part of the carbon brush and the rotating collecting ring, if the phenomenon of flashover is not found, the inspection is considered to be normal, the discrete inspection mode has serious real-time problems, and potential fault hidden dangers cannot be revealed. In addition, a special camera is additionally arranged near the carbon brush, and detection is performed in a video identification mode, so that the technology is not mature, and the comprehensive cost is high. Along with the popularization of small hydropower stations in centralized operation and centralized maintenance modes, the power station can comprehensively realize unmanned operation, and therefore a carbon brush ignition detection system of a small hydraulic generator needs to be provided.
The invention provides the following technical scheme: a small hydro-generator carbon brush sparking detection system, please refer to FIGS. 1-3, includes a power station monitoring system and a sensor group, wherein the sensor group is in communication connection with the power station monitoring system;
the sensor group comprises a temperature polling instrument and temperature measuring sensor equipment;
the temperature measuring sensor is used for being installed on a metal brush holding plate on a large shaft of the hydraulic generator, the metal brush holding plate is provided with a positive/negative electric ring, and the temperature measuring sensor is respectively in contact conduction with the metal brush holding plates on the excitation current positive electrode carbon brush group and the excitation current negative electrode carbon brush group and is used for monitoring the temperature on the metal brush holding plates in real time and transmitting the temperature change value to a power station monitoring system for processing;
the power station monitoring system is used for receiving the temperature data obtained by the sensor group to acquire, compare, analyze and diagnose.
Wherein: the temperature measuring sensor equipment is used for being respectively in contact conduction with the exciting current anode carbon brush set and the exciting current cathode carbon brush set;
injecting exciting current into a rotor coil of the generator from the outside, wherein the current is set to be 100-500A; on the whole transmission line of the exciting current, only the carbon brush is in dynamic contact connection with the collecting ring, and the long-term stability of the contact condition is poor;
if poor contact is likely to cause a sparking fault, a large amount of heat energy is released from the contact surface of the carbon brush and the collecting ring when sparking occurs, so that the temperature is rapidly increased, the metal collecting ring is often ablated, and the heat can be rapidly transferred to the metal brush holding plate through the carbon brush and the metal brush holding frame at the moment, and the temperature of the metal brush holding plate can be synchronously and rapidly increased along with the sparking of the carbon brush due to the good thermal conductivity of the metal and the carbon brush;
although the temperature measured from the brush holding plate is lower than the temperature generated at the contact surface of the carbon brush and the collecting ring, the change trends of the temperature measured from the brush holding plate are consistent, so that the running condition of the carbon brush can be indirectly reflected through a temperature measuring sensor on the metal brush holding plate;
in addition, the change of the exciting current can also influence the temperature of the carbon brush, and the temperature is further transmitted to a power station monitoring system for detection in real time.
Referring to the flow chart of fig. 2, two positive/negative slip rings spaced from each other are provided on the large shaft of the generator rotating at high speed, and they are respectively in contact with the excitation current positive carbon brush set and the excitation current negative carbon brush set to inject the excitation current to the rotor coil of the generator from the outside, and the current is generally between 100A and 500A.
On the whole transmission line of the exciting current, only the carbon brush is in dynamic contact connection with the collecting ring, and the long-term stability of the contact condition is poor; if poor contact is extremely likely to cause a sparking fault, a large amount of heat energy is released from the contact surface of the carbon brush and the collecting ring when sparking occurs, so that the temperature is rapidly increased, the metal collecting ring is often ablated, and the heat can be rapidly transferred to the metal brush holding plate through the carbon brush and the metal brush holding frame at the moment, so that the temperature of the metal brush holding plate can be synchronously and rapidly increased along with the sparking of the carbon brush due to the good thermal conductivity of the metal and the carbon brush; although the temperature measured from the brush holding plate is lower than the temperature generated at the contact surface of the carbon brush and the collecting ring, the change trend of the temperature is consistent, so that the running condition of the carbon brush can be indirectly reflected through the temperature measuring sensor on the metal brush holding plate. In addition, the change of the exciting current also affects the temperature of the carbon brush, but the influence range is limited on the whole due to the negative temperature characteristic of the carbon brush, and the temperature is increased violently and can be ignored when the carbon brush is ignited. The additionally-added temperature measuring sensor has extremely low cost, can be ignored, and has extremely simple and convenient implementation mode.
Referring to the flowchart in fig. 3, before a carbon brush sparking fault occurs, the change of the temperature characteristic of the combining part of the carbon brush and the collecting ring can be monitored in real time, a manual intervention prompt is given before a potential carbon brush sparking fault occurs, the sparking fault is judged by utilizing the temperature rise caused by excessive heating of the carbon brush in the running process of the generator, the detection mode is simple and reliable, the collecting ring ablation caused by carbon brush sparking is avoided as much as possible, the expansion of accidents is avoided, and the unplanned downtime is reduced.
Example 2
The present embodiment is explained based on embodiment 1, and specifically, refer to fig. 1 to fig. 3, in which: the power station monitoring system comprises a data receiving module, a fault diagnosis module, a big data module and a visualization module;
the data receiving module is used for acquiring the data acquired by the sensor group, acquiring the data and sending the data to the fault diagnosis module and the big data module;
the big data module is used for storing fault data of various hydraulic generators and corresponding solution data;
the fault diagnosis data module is used for analyzing and comparing fault data of the big data module and carbon brush temperature data of the hydraulic generator acquired by the data receiving module to obtain a preliminary diagnosis result, comparing similarity of received outputs in the database, visually displaying the received outputs through the visualization module, and sending the displayed outputs to the display screen for displaying.
Wherein: the power station monitoring system also comprises a positioning module;
the positioning module is used for positioning the received carbon brush temperature of the hydraulic generator, and the positioning point is conveniently sent to the visualization module to be positioned and identified.
Wherein: the power station system monitoring system also comprises a reminding module;
the reminding module is used for reminding and alarming in real time after the temperature of the carbon brush of the hydraulic generator reaches an alarm value.
In this embodiment, through with the carbon brush temperature of hydraulic generator carries out real-time supervision through sensor group to data receiving module, failure diagnosis module, big data module, orientation module, visual module and the warning module through among the power station monitored control system acquire, compare, analysis, diagnosis, location and remind, the real-time supervision of being convenient for has avoided the collecting ring ablation that causes because of the carbon brush strikes sparks as far as possible, has stopped the expansion of accident, has reduced unplanned down time.
Example 3
The present embodiment is explained based on embodiment 2, and specifically, refer to fig. 1 to fig. 3, in which: the reminding module comprises a risk module;
the risk module is connected with the big data module and used for calling a temperature safety value, a risk value and a danger value range of the carbon brush of the hydraulic generator in the big data;
the temperature range threshold of the carbon brush of the hydro-generator is divided into a first grade, a second grade and a third grade in the risk module, and the three grades are divided;
the level I threshold value is about a safety value, but is still within a safety value range, and the temperature value of the level I threshold value is set to be within 40-80 ℃;
the class II threshold is within a dangerous value range, namely a fault is generated, but an extreme value is not reached, for example, the temperature is 80-120 ℃;
the grade III threshold value is at an extreme value, the temperature is abnormally high, the temperature is set within 120-160 ℃, and emergency shutdown treatment is carried out.
Wherein: the risk module further comprises an emergency maintenance module;
the emergency maintenance module is in communication connection with the risk module and used for processing the alarm prompt signal sent by the risk module and sending the alarm maintenance signal, and manual intervention prompt is given before a potential carbon brush ignition fault occurs.
Wherein: the emergency maintenance module comprises a response unit and a tracking unit;
the response unit is used for setting time, so that manual intervention is responded, maintenance response is obtained, and later-stage maintenance is facilitated;
the tracking unit is used for tracking the actual effect of later maintenance, and the maintenance time and the fault processing flow are recorded and tracked.
In this embodiment: the risk pre-estimated threshold is set, when the risk level threshold is reached, alarm reminding and emergency maintenance are carried out, the later maintenance response is ensured, the collector ring ablation caused by carbon brush ignition is avoided as much as possible, the expansion of accidents is avoided, the unplanned downtime is reduced, and the safety of equipment production is improved.
Example 4
The present embodiment is explained based on embodiment 2, and specifically, refer to fig. 1 to fig. 3, in which: the big data module is connected with an updating module and used for updating data in the big data module in a 3G, 4G network, wired network and WI-FI network mode.
Wherein: and the alarm in the reminding module adopts an audible and visual alarm.
In the embodiment, the updating module is added into the big data module, so that the data number of carbon brush sparking of various types of small hydro-generators and the diagnosis and maintenance method value thereof can be updated more quickly for reference, and the diagnosis and detection efficiency is improved.
It is noted that, herein, relational terms such as first and second, and the like may be 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.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make various improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (10)
1. The utility model provides a small-size hydraulic generator carbon brush detecting system that strikes sparks, includes power station monitored control system and sensor group, its characterized in that: the sensor group is in communication connection with the power station monitoring system;
the sensor group comprises a temperature polling instrument and temperature measuring sensor equipment;
the temperature measuring sensor is used for being arranged on a metal brush holding plate on a large shaft of the hydraulic generator, the metal brush holding plate is provided with a positive/negative electric ring, and the temperature measuring sensor is respectively in contact conduction with the metal brush holding plates on the excitation current positive electrode carbon brush group and the excitation current negative electrode carbon brush group and is used for monitoring the temperature on the metal brush holding plates in real time and transmitting the temperature change value to a power station monitoring system for processing;
the power station monitoring system is used for receiving the temperature data obtained by the sensor group to carry out acquisition, comparison, analysis and diagnosis.
2. The carbon brush ignition detection system of the small-sized hydraulic generator according to claim 1, characterized in that: the temperature measuring sensor equipment is used for being respectively in contact conduction with the exciting current anode carbon brush set and the exciting current cathode carbon brush set;
injecting exciting current into a rotor coil of the generator from the outside, wherein the current is set to be 100-500A; on the whole transmission line of the exciting current, only the carbon brush is in dynamic contact connection with the collecting ring, and the long-term stability of the contact condition is poor;
if poor contact is likely to cause a sparking fault, a large amount of heat energy is released from the contact surface of the carbon brush and the collecting ring when sparking occurs, so that the temperature is rapidly increased, the metal collecting ring is often ablated, and the heat can be rapidly transferred to the metal brush holding plate through the carbon brush and the metal brush holding frame at the moment, and the temperature of the metal brush holding plate can be synchronously and rapidly increased along with the sparking of the carbon brush due to the good thermal conductivity of the metal and the carbon brush;
although the temperature measured from the brush holding plate is lower than the temperature generated at the contact surface of the carbon brush and the collecting ring, the change trends of the temperature measured from the brush holding plate are consistent, so that the running condition of the carbon brush can be indirectly reflected through a temperature measuring sensor on the metal brush holding plate;
in addition, the change of the exciting current can also influence the temperature of the carbon brush, and the temperature is further transmitted to a power station monitoring system for detection in real time.
3. The carbon brush ignition detection system of the small-sized hydraulic generator according to claim 1, characterized in that: the power station monitoring system comprises a data receiving module, a fault diagnosis module, a big data module and a visualization module;
the data receiving module is used for acquiring the data acquired by the sensor group, acquiring the data and sending the data to the fault diagnosis module and the big data module;
the big data module is used for storing fault data of various hydraulic generators and corresponding solution data;
the fault diagnosis data module is used for analyzing and comparing the fault data of the big data module with the carbon brush temperature data of the hydraulic generator acquired by the data receiving module to obtain a preliminary diagnosis result, comparing the similarity of the received data in the database, visually displaying the data through the visualization module, and sending the data to the display screen for displaying.
4. The carbon brush ignition detection system for the small-sized hydraulic generator according to claim 1, characterized in that: the power station monitoring system also comprises a positioning module;
the positioning module is used for positioning the received carbon brush temperature of the hydraulic generator, and the positioning point is conveniently sent to the visualization module to be positioned and identified.
5. The carbon brush ignition detection system of the small-sized hydraulic generator according to claim 1, characterized in that: the power station system monitoring system also comprises a reminding module;
the reminding module is used for reminding and alarming in real time after the temperature of the carbon brush of the hydraulic generator reaches an alarm value.
6. The carbon brush ignition detection system of the small hydro-generator according to claim 5, characterized in that: the reminding module comprises a risk module;
the risk module is connected with the big data module and used for calling a carbon brush temperature safety value, a risk value and a danger value range of the hydraulic generator in the big data;
the temperature range threshold of the carbon brush of the hydro-generator is divided into a first grade, a second grade and a third grade in the risk module, and the three grades are divided;
the level I threshold value is about a safety value, but is still within a safety value range, and the temperature value of the level I threshold value is set to be within 40-80 ℃;
the class II threshold is within a dangerous range, i.e., a fault has occurred, but not reaching an extreme value, e.g., a temperature of 80 ℃ to 120 ℃;
the grade III threshold value is at an extreme value, the temperature is abnormally high, the temperature is set within 120-160 ℃, and emergency shutdown treatment is carried out.
7. The carbon brush ignition detection system of the small hydro-generator according to claim 6, characterized in that: the risk module further comprises an emergency maintenance module;
the emergency maintenance module is in communication connection with the risk module and used for processing the alarm prompt signal sent by the risk module and sending the alarm maintenance signal, and manual intervention prompt is given before a potential carbon brush ignition fault occurs.
8. The carbon brush ignition detection system of the small hydro-generator according to claim 6, characterized in that: the emergency maintenance module comprises a response unit and a tracking unit;
the response unit is used for setting time, so that manual intervention is responded, maintenance response is obtained, and later-stage maintenance is facilitated;
the tracking unit is used for tracking the actual effect of later maintenance, and recording and tracking the maintenance time and the fault processing flow.
9. The carbon brush ignition detection system of the small hydro-generator according to claim 3, characterized in that: the big data module is connected with an updating module and used for updating data in the big data module in a 3G, 4G network, wired network and WI-FI network mode.
10. The carbon brush ignition detection system for the small hydro-generator according to claim 5, characterized in that: and the alarm in the reminding module adopts an audible and visual alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211218815.8A CN115575814A (en) | 2022-09-30 | 2022-09-30 | Small-size hydraulic generator carbon brush detecting system that strikes sparks |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211218815.8A CN115575814A (en) | 2022-09-30 | 2022-09-30 | Small-size hydraulic generator carbon brush detecting system that strikes sparks |
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| CN115575814A true CN115575814A (en) | 2023-01-06 |
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| CN202211218815.8A Pending CN115575814A (en) | 2022-09-30 | 2022-09-30 | Small-size hydraulic generator carbon brush detecting system that strikes sparks |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116448275A (en) * | 2023-03-28 | 2023-07-18 | 湖北清江水电开发有限责任公司 | Rotor contact type temperature measuring device and method for horizontal hydroelectric generating set |
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2022
- 2022-09-30 CN CN202211218815.8A patent/CN115575814A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116448275A (en) * | 2023-03-28 | 2023-07-18 | 湖北清江水电开发有限责任公司 | Rotor contact type temperature measuring device and method for horizontal hydroelectric generating set |
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