CN106026865B - A kind of solar panel system - Google Patents

A kind of solar panel system Download PDF

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Publication number
CN106026865B
CN106026865B CN201610600445.2A CN201610600445A CN106026865B CN 106026865 B CN106026865 B CN 106026865B CN 201610600445 A CN201610600445 A CN 201610600445A CN 106026865 B CN106026865 B CN 106026865B
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state
main component
monitoring
health
abnormal
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CN106026865A (en
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不公告发明人
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Jiangsu Amman Guangyu Energy Co ltd
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Amman (suzhou) New Energy Technology Co Ltd
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00—Supporting structures for PV modules
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S25/10—Arrangement of stationary mountings or supports for solar heat collector modules extending in directions away from a supporting surface
    • F24S25/12—Arrangement of stationary mountings or supports for solar heat collector modules extending in directions away from a supporting surface using posts in combination with upper profiles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/47—Mountings or tracking
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)

Abstract

The invention discloses a kind of solar panel systems, including telescoping shoring column and solar battery plate module, the solar battery plate module to be set to the top of telescoping shoring column.The configuration of the present invention is simple reduces the height of solar panel when needing repairing by the way that telescoping shoring column is arranged, easy to maintenance.

Description

Solar cell panel system
Technical Field
The invention relates to the technical field of solar panels, in particular to a solar panel system.
Background
Among the correlation technique, solar electric field uses a large amount of panels, in order to save area, needs to install the panel on higher support, adopts multilayer panel to convert the electricity generation, and when the panel function broke down like this, was not convenient for maintain.
Disclosure of Invention
To solve the above problems, the present invention aims to provide a solar panel system.
The purpose of the invention is realized by adopting the following technical scheme:
the utility model provides a solar cell panel system, includes telescopic bracket and solar cell panel module, the solar cell panel module sets up in telescopic bracket's top.
Preferably, telescopic bracket includes outer tube and inner tube, and the inner tube can be taken in the outer tube inner chamber, the junction of outer tube and inner tube set up flexible controlling means, this flexible controlling means mainly comprises shell body, motor, drive mechanism, friction pulley, battery and relevant circuit and frame, the inner tube surface along radially seting up groove structure, flexible controlling means fixed mounting on the outer tube, the groove structure of friction pulley cooperation inner tube surface in the flexible controlling means uses to realize the flexible of inner tube.
The invention has the beneficial effects that: through simple structure, through setting up telescopic bracket, reduce solar cell panel's height when needs maintenance, easy maintenance to foretell technical problem has been solved.
Drawings
The invention is further described by using the drawings, but the application scenarios in the drawings do not limit the invention in any way, and for those skilled in the art, other drawings can be obtained according to the following drawings without creative efforts.
Fig. 1 is a schematic structural view of the telescopic bracket of the invention.
Fig. 2 is a schematic diagram of the fault monitor of the present invention.
Reference numerals:
the device comprises an outer pipe 1, an inner pipe 2, a telescopic control device 3, a groove structure 4, a fault monitor 5, a monitoring data acquisition module 51, a data normalization unit 52, a main component evaluation unit 53, a main component health state judgment unit 54 and a comprehensive evaluation unit 55.
Detailed Description
The invention is further described in connection with the following application scenarios.
Application scenario 1
Referring to fig. 1 and 2, a solar panel system in an embodiment of the application scenario includes a telescopic bracket and a solar panel module, where the solar panel module is disposed at a top end of the telescopic bracket.
The invention has the beneficial effects that: through setting up telescopic bracket, reduce solar cell panel's height when needs maintenance to foretell technical problem has been solved.
Preferably, telescopic bracket includes outer tube 1 and inner tube 2, and 1 inner chamber of outer tube can be taken into to inner tube 2, the junction of outer tube 1 and inner tube 2 set up flexible controlling means 3, this flexible controlling means 3 mainly comprises shell body, motor, drive mechanism, friction pulley, battery and relevant circuit and frame, 2 surfaces of inner tube radially set up groove structure 4, 3 fixed mounting of flexible controlling means on outer tube 1, the groove structure 5 on friction pulley cooperation outer tube 1 surface in the flexible controlling means uses to realize the flexible of inner tube.
This preferred embodiment sets up the structure of telescopic bracket, has perfected telescopic bracket's flexible function, and the flexible controlling means 3 that add on the outer tube is easy and simple to handle, has realized telescopic bracket's electric control, and flexible size is more accurate, and this electrically controlled device location effect is good, and stability is high.
Preferably, the transmission mechanism mainly comprises a straight gear transmission mechanism and a bevel gear transmission mechanism, and an idler gear is arranged in the straight gear transmission mechanism to ensure that the rotation directions of the friction wheels are the same.
The bevel gear transmission mechanism provided in the preferred embodiment can convert the horizontal movement of the motor into vertical movement, and further cause the spur gear transmission mechanism to rotate in the horizontal direction.
Preferably, the solar panel system further comprises a fault monitor 5, and the fault monitor 5 comprises a monitoring data acquisition module 51, a data normalization unit 52, a main component evaluation unit 53, a main component health status determination unit 54 and a comprehensive evaluation unit 55; the monitoring data acquisition module 51 is configured to acquire system health status monitoring data according to acquisition indexes, where the acquisition indexes include main components, monitoring items of the main components, and weighting factors of the monitoring items in importance degree, where the equipment includes a telescopic control device and a solar cell panel module; the data normalization unit 52 is configured to perform normalization processing on the health status monitoring data; the main component evaluation unit 53 is configured to evaluate the health state of the main components, and the main component health state determination unit 54 is configured to determine whether or not the respective main components are in a health state; the comprehensive evaluation unit 55 is used for evaluating the health status of each device.
The preferred embodiment constructs the whole framework of the fault monitor 5, and perfects the health state analysis function of the fault monitor 5 on the solar cell panel system.
Preferably, the main member x is assumed to have m in commonxWhen the monitoring instrument α is used to monitor the ith monitoring item, i is 1xThe monitoring quantity error may be generated due to the influence of temperature and humidity, and a temperature correction factor psi is introducedαAnd a humidity correction factor phiα，Wherein T is the ambient temperature when the monitoring instrument α monitors the monitored item, T0And a standard temperature applicable for monitoring by monitoring instrument α,wherein H is the environmental humidity when the monitoring instrument α monitors the monitoring item, H0To monitor the standard humidity available for use by instrument α,the normalization processing formula adopted by the data normalization unit 52 is:
wherein G isiRepresents the state monitoring quantity after the normalization processing of the ith monitoring item, Gi∈[0,1]When G isiWhen it is close to 0, G means that the state is goodiWhen the state is close to 1, the state is poor; j. the design is a squareiThe original state monitoring quantity, delta, of the ith monitoring itembiIs a boundary value, delta, when the ith monitoring item is in the normal state range and corresponds to the optimal stateciThe boundary value when the ith monitoring item is in the normal state range but not in the optimal state is set.
In the preferred embodiment, the normalization processing formula of the data normalization unit 52 is designed, different monitoring quantities are converted to be between 0 and 1 and have the same normal and abnormal boundaries, so that the health status monitoring data can be conveniently processed subsequently, and the temperature correction factor and the humidity correction factor are introduced into the normalization processing formula, so that the normalization processing process is simplified, and the normalization processing precision is improved.
Preferably, the normalized state monitoring quantities affecting the x state of the principal component are set to { G }i,i＝1,...,mxThe health state index Z of the principal component x taken by the principal component evaluation unit 53xThe calculation formula of (a) is set as:
if all Gi≤1-e-0.5When the temperature of the water is higher than the set temperature,
if there is at least one Gi＞1-e-0.5When the temperature of the water is higher than the set temperature,
wherein Z isxIndicates the health status evaluation index, Z, of the main component xi∈[0,1],1-e-0.5For the normalized state monitoring quantities corresponding to normal critical values, mcThe normalized state monitoring quantity is less than the critical value 1-e-0.5Number of times, QiIs a weighting factor, m, of the importance of the ith monitoring item in the principal component xc＜mxTime, weight factor QiFollowing mcThe number of the components is adjusted in proportion.
The preferred embodiment provides a calculation formula of the evaluation index of the health state of the main component, and different normalized monitoring quantities are converted to be between 0 and 1 and have the same normal and abnormal boundaries, so that the health state of the main component can be simply and comprehensively obtained, the evaluation of the health state of the main component is simplified, and the speed of the health state evaluation is improved while the accuracy is ensured.
Preferably, the determination principle of the main component health state determination unit 54 is: probability P of abnormal state of main component xxGreater than a set threshold value PYJudging that the main component x is abnormal, and if the main component x is abnormal, determining the probability P of the main component x being abnormalxIs not greater than a set threshold value PYJudging that the main member x is healthy, PYIs in the range of [0.1,0.2 ]]Comprehensive state index Z of main member provided with n samplesx1,...,ZxnTaken from the continuous distribution H (Z)x) Probability P that the primary member x is in a state anomalyxThe calculation formula of (2) is as follows:
here, the
Wherein,is an arbitrary point ZxThe density of the nuclei of (a) is,b is the sample standard deviation and J is the interquartile range.
The preferred embodiment determines the health state of the main component by calculating the abnormal probability of the main component, has high analysis accuracy, and accelerates the speed of analyzing the health state of the main component.
Preferably, the equipment has N main components, and the probability that the main component x is in abnormal state is PxWhere x is 1,2, …, N, the calculation formula of the comprehensive state health index B adopted by the comprehensive evaluation unit 55 is as follows:
in the formula, WxSetting a threshold value E for the weighting factor of the importance degree of the xth main component in the equipment, if B>E, the equipment is in a healthy state, and the value range of E is [0.9,0.99 ]]。
The preferred embodiment calculates the health state of the equipment by using the weight factor, has high calculation precision, and further improves the monitoring precision of the system.
In this application scenario, the above embodiment takes PYThe monitoring and analyzing speed of the health state of each device is relatively improved by 10 percent, and the monitoring and analyzing precision is relatively improved by 12 percent when the E is 0.9.
Application scenario 2
Referring to fig. 1 and 2, a solar panel system in an embodiment of the application scenario includes a telescopic bracket and a solar panel module, where the solar panel module is disposed at a top end of the telescopic bracket.
The invention has the beneficial effects that: through setting up telescopic bracket, reduce solar cell panel's height when needs maintenance to foretell technical problem has been solved.
Preferably, telescopic bracket includes outer tube 1 and inner tube 2, and 1 inner chamber of outer tube can be taken into to inner tube 2, the junction of outer tube 1 and inner tube 2 set up flexible controlling means 3, this flexible controlling means 3 mainly comprises shell body, motor, drive mechanism, friction pulley, battery and relevant circuit and frame, 2 surfaces of inner tube radially set up groove structure 4, 3 fixed mounting of flexible controlling means on outer tube 1, the groove structure 5 on friction pulley cooperation outer tube 1 surface in the flexible controlling means uses to realize the flexible of inner tube.
This preferred embodiment sets up the structure of telescopic bracket, has perfected telescopic bracket's flexible function, and the flexible controlling means 3 that add on the outer tube is easy and simple to handle, has realized telescopic bracket's electric control, and flexible size is more accurate, and this electrically controlled device location effect is good, and stability is high.
Preferably, the transmission mechanism mainly comprises a straight gear transmission mechanism and a bevel gear transmission mechanism, and an idler gear is arranged in the straight gear transmission mechanism to ensure that the rotation directions of the friction wheels are the same.
The bevel gear transmission mechanism provided in the preferred embodiment can convert the horizontal movement of the motor into vertical movement, and further cause the spur gear transmission mechanism to rotate in the horizontal direction.
Preferably, the solar panel system further comprises a fault monitor 5, and the fault monitor 5 comprises a monitoring data acquisition module 51, a data normalization unit 52, a main component evaluation unit 53, a main component health status determination unit 54 and a comprehensive evaluation unit 55; the monitoring data acquisition module 51 is configured to acquire system health status monitoring data according to acquisition indexes, where the acquisition indexes include main components, monitoring items of the main components, and weighting factors of the monitoring items in importance degree, where the equipment includes a telescopic control device and a solar cell panel module; the data normalization unit 52 is configured to perform normalization processing on the health status monitoring data; the main component evaluation unit 53 is configured to evaluate the health state of the main components, and the main component health state determination unit 54 is configured to determine whether or not the respective main components are in a health state; the comprehensive evaluation unit 55 is used for evaluating the health status of each device.
The preferred embodiment constructs the whole framework of the fault monitor 5, and perfects the health state analysis function of the fault monitor 5 on the solar cell panel system.
Preferably, the main member x is assumed to have m in commonxWhen the monitoring instrument α is used to monitor the ith monitoring item, i is 1xThe monitoring quantity error may be generated due to the influence of temperature and humidity, and a temperature correction factor psi is introducedαAnd a humidity correction factor phiα，Wherein T is the ambient temperature when the monitoring instrument α monitors the monitored item, T0And a standard temperature applicable for monitoring by monitoring instrument α,wherein H is the environmental humidity when the monitoring instrument α monitors the monitoring item, H0In order to monitor the standard humidity applied by the monitoring instrument α, the normalization processing formula adopted by the data normalization unit 52 is as follows:
wherein G isiRepresents the state monitoring quantity after the normalization processing of the ith monitoring item, Gi∈[0,1]When G isiWhen it is close to 0, G means that the state is goodiWhen the state is close to 1, the state is poor; j. the design is a squareiThe original state monitoring quantity, delta, of the ith monitoring itembiIs a boundary value, delta, when the ith monitoring item is in the normal state range and corresponds to the optimal stateciThe boundary value when the ith monitoring item is in the normal state range but not in the optimal state is set.
In the preferred embodiment, the normalization processing formula of the data normalization unit 52 is designed, different monitoring quantities are converted to be between 0 and 1 and have the same normal and abnormal boundaries, so that the health status monitoring data can be conveniently processed subsequently, and the temperature correction factor and the humidity correction factor are introduced into the normalization processing formula, so that the normalization processing process is simplified, and the normalization processing precision is improved.
Preferably, the normalized state monitoring quantities affecting the x state of the principal component are set to { G }i,i＝1,...,mxThe health state index Z of the principal component x taken by the principal component evaluation unit 53xThe calculation formula of (a) is set as:
if all Gi≤1-e-0.5When the temperature of the water is higher than the set temperature,
if there is at least one Gi＞1-e-0.5When the temperature of the water is higher than the set temperature,
wherein Z isxIndicates the health status evaluation index, Z, of the main component xi∈[0,1],1-e-0.5For the normalized state monitoring quantities corresponding to normal critical values, mcThe normalized state monitoring quantity is less than the critical value 1-e-0.5Number of times, QiIs a weighting factor, m, of the importance of the ith monitoring item in the principal component xc＜mxTime, weight factor QiFollowing mcThe number of the components is adjusted in proportion.
The preferred embodiment provides a calculation formula of the evaluation index of the health state of the main component, and different normalized monitoring quantities are converted to be between 0 and 1 and have the same normal and abnormal boundaries, so that the health state of the main component can be simply and comprehensively obtained, the evaluation of the health state of the main component is simplified, and the speed of the health state evaluation is improved while the accuracy is ensured.
Preferably, the determination principle of the main component health state determination unit 54 is: probability P of abnormal state of main component xxGreater than a set threshold value PYJudging that the main component x is abnormal, and if the main component x is abnormal, determining the probability P of the main component x being abnormalxIs not greater than a set threshold value PYJudging that the main member x is healthy, PYIs in the range of [0.1,0.2 ]]Comprehensive state index Z of main member provided with n samplesx1,...,ZxnTaken from the continuous distribution H (Z)x) Probability P that the primary member x is in a state anomalyxThe calculation formula of (2) is as follows:
here, the
Wherein,is an arbitrary point ZxThe density of the nuclei of (a) is,b is the sample standard deviation and J is the interquartile range.
The preferred embodiment determines the health state of the main component by calculating the abnormal probability of the main component, has high analysis accuracy, and accelerates the speed of analyzing the health state of the main component.
Preferably, the equipment has N main components, and the probability that the main component x is in abnormal state is PxWhere x is 1,2, …, N, the calculation formula of the comprehensive state health index B adopted by the comprehensive evaluation unit 55 is as follows:
in the formula, WxSetting a threshold value E for the weighting factor of the importance degree of the xth main component in the equipment, if B>E, the equipment is in a healthy state, and the value range of E is [0.9,0.99 ]]。
The preferred embodiment calculates the health state of the equipment by using the weight factor, has high calculation precision, and further improves the monitoring precision of the system.
In this application scenario, the above embodiment takes PYThe monitoring and analyzing speed of the health state of each device is relatively improved by 9 percent, and the monitoring and analyzing precision is relatively improved by 13 percent when the E is 0.92.
Application scenario 3
Referring to fig. 1 and 2, a solar panel system in an embodiment of the application scenario includes a telescopic bracket and a solar panel module, where the solar panel module is disposed at a top end of the telescopic bracket.
The invention has the beneficial effects that: through setting up telescopic bracket, reduce solar cell panel's height when needs maintenance to foretell technical problem has been solved.
Preferably, telescopic bracket includes outer tube 1 and inner tube 2, and 1 inner chamber of outer tube can be taken into to inner tube 2, the junction of outer tube 1 and inner tube 2 set up flexible controlling means 3, this flexible controlling means 3 mainly comprises shell body, motor, drive mechanism, friction pulley, battery and relevant circuit and frame, 2 surfaces of inner tube radially set up groove structure 4, 3 fixed mounting of flexible controlling means on outer tube 1, the groove structure 5 on friction pulley cooperation outer tube 1 surface in the flexible controlling means uses to realize the flexible of inner tube.
This preferred embodiment sets up the structure of telescopic bracket, has perfected telescopic bracket's flexible function, and the flexible controlling means 3 that add on the outer tube is easy and simple to handle, has realized telescopic bracket's electric control, and flexible size is more accurate, and this electrically controlled device location effect is good, and stability is high.
Preferably, the transmission mechanism mainly comprises a straight gear transmission mechanism and a bevel gear transmission mechanism, and an idler gear is arranged in the straight gear transmission mechanism to ensure that the rotation directions of the friction wheels are the same.
The bevel gear transmission mechanism provided in the preferred embodiment can convert the horizontal movement of the motor into vertical movement, and further cause the spur gear transmission mechanism to rotate in the horizontal direction.
Preferably, the solar panel system further comprises a fault monitor 5, and the fault monitor 5 comprises a monitoring data acquisition module 51, a data normalization unit 52, a main component evaluation unit 53, a main component health status determination unit 54 and a comprehensive evaluation unit 55; the monitoring data acquisition module 51 is configured to acquire system health status monitoring data according to acquisition indexes, where the acquisition indexes include main components, monitoring items of the main components, and weighting factors of the monitoring items in importance degree, where the equipment includes a telescopic control device and a solar cell panel module; the data normalization unit 52 is configured to perform normalization processing on the health status monitoring data; the main component evaluation unit 53 is configured to evaluate the health state of the main components, and the main component health state determination unit 54 is configured to determine whether or not the respective main components are in a health state; the comprehensive evaluation unit 55 is used for evaluating the health status of each device.
The preferred embodiment constructs the whole framework of the fault monitor 5, and perfects the health state analysis function of the fault monitor 5 on the solar cell panel system.
Preferably, the main member x is assumed to have m in commonxWhen the monitoring instrument α is used to monitor the ith monitoring item, i is 1xThe monitoring quantity error may be generated due to the influence of temperature and humidity, and a temperature correction factor psi is introducedαAnd a humidity correction factor phiα，Wherein T is the ambient temperature when the monitoring instrument α monitors the monitored item, T0And a standard temperature applicable for monitoring by monitoring instrument α,wherein H is the environmental humidity when the monitoring instrument α monitors the monitoring item, H0In order to monitor the standard humidity applied by the monitoring instrument α, the normalization processing formula adopted by the data normalization unit 52 is as follows:
wherein G isiRepresents the state monitoring quantity after the normalization processing of the ith monitoring item, Gi∈[0,1]When G isiWhen it is close to 0, G means that the state is goodiWhen the state is close to 1, the state is poor; j. the design is a squareiThe original state monitoring quantity, delta, of the ith monitoring itembiWhen the ith monitoring item is in the normal state range and corresponds to the optimal stateBoundary value ofciThe boundary value when the ith monitoring item is in the normal state range but not in the optimal state is set.
In the preferred embodiment, the normalization processing formula of the data normalization unit 52 is designed, different monitoring quantities are converted to be between 0 and 1 and have the same normal and abnormal boundaries, so that the health status monitoring data can be conveniently processed subsequently, and the temperature correction factor and the humidity correction factor are introduced into the normalization processing formula, so that the normalization processing process is simplified, and the normalization processing precision is improved.
Preferably, the normalized state monitoring quantities affecting the x state of the principal component are set to { G }i,i＝1,...,mxThe health state index Z of the principal component x taken by the principal component evaluation unit 53xThe calculation formula of (a) is set as:
if all Gi≤1-e-0.5When the temperature of the water is higher than the set temperature,
if there is at least one Gi＞1-e-0.5When the temperature of the water is higher than the set temperature,
wherein Z isxIndicates the health status evaluation index, Z, of the main component xi∈[0,1],1-e-0.5For the normalized state monitoring quantities corresponding to normal critical values, mcThe normalized state monitoring quantity is less than the critical value 1-e-0.5Number of times, QiIs a weighting factor, m, of the importance of the ith monitoring item in the principal component xc＜mxTime, weight factor QiFollowing mcThe number of the components is adjusted in proportion.
The preferred embodiment provides a calculation formula of the evaluation index of the health state of the main component, and different normalized monitoring quantities are converted to be between 0 and 1 and have the same normal and abnormal boundaries, so that the health state of the main component can be simply and comprehensively obtained, the evaluation of the health state of the main component is simplified, and the speed of the health state evaluation is improved while the accuracy is ensured.
Preferably, the determination principle of the main component health state determination unit 54 is: probability P of abnormal state of main component xxGreater than a set threshold value PYJudging that the main component x is abnormal, and if the main component x is abnormal, determining the probability P of the main component x being abnormalxIs not greater than a set threshold value PYJudging that the main member x is healthy, PYIs in the range of [0.1,0.2 ]]Comprehensive state index Z of main member provided with n samplesx1,...,ZxnTaken from the continuous distribution H (Z)x) Probability P that the primary member x is in a state anomalyxThe calculation formula of (2) is as follows:
here, the
Wherein,is an arbitrary point ZxThe density of the nuclei of (a) is,b is the sample standard deviation and J is the interquartile range.
The preferred embodiment determines the health state of the main component by calculating the abnormal probability of the main component, has high analysis accuracy, and accelerates the speed of analyzing the health state of the main component.
Preferably, the equipment has N main components, and the probability that the main component x is in abnormal state is PxWhere x is 1,2, …, N, the calculation formula of the comprehensive state health index B adopted by the comprehensive evaluation unit 55 is as follows:
in the formula, WxSetting a threshold value E for the weighting factor of the importance degree of the xth main component in the equipment, if B>E, the equipment is in a healthy state, and the value range of E is [0.9,0.99 ]]。
The preferred embodiment calculates the health state of the equipment by using the weight factor, has high calculation precision, and further improves the monitoring precision of the system.
In this application scenario, the above embodiment takes PYThe monitoring and analyzing speed of the health state of each device is relatively improved by 8 percent, and the monitoring and analyzing precision is relatively improved by 10 percent when the E is 0.94. .
Application scenario 4
Referring to fig. 1 and 2, a solar panel system in an embodiment of the application scenario includes a telescopic bracket and a solar panel module, where the solar panel module is disposed at a top end of the telescopic bracket.
The invention has the beneficial effects that: through setting up telescopic bracket, reduce solar cell panel's height when needs maintenance to foretell technical problem has been solved.
Preferably, telescopic bracket includes outer tube 1 and inner tube 2, and 1 inner chamber of outer tube can be taken into to inner tube 2, the junction of outer tube 1 and inner tube 2 set up flexible controlling means 3, this flexible controlling means 3 mainly comprises shell body, motor, drive mechanism, friction pulley, battery and relevant circuit and frame, 2 surfaces of inner tube radially set up groove structure 4, 3 fixed mounting of flexible controlling means on outer tube 1, the groove structure 5 on friction pulley cooperation outer tube 1 surface in the flexible controlling means uses to realize the flexible of inner tube.
This preferred embodiment sets up the structure of telescopic bracket, has perfected telescopic bracket's flexible function, and the flexible controlling means 3 that add on the outer tube is easy and simple to handle, has realized telescopic bracket's electric control, and flexible size is more accurate, and this electrically controlled device location effect is good, and stability is high.
Preferably, the transmission mechanism mainly comprises a straight gear transmission mechanism and a bevel gear transmission mechanism, and an idler gear is arranged in the straight gear transmission mechanism to ensure that the rotation directions of the friction wheels are the same.
The bevel gear transmission mechanism provided in the preferred embodiment can convert the horizontal movement of the motor into vertical movement, and further cause the spur gear transmission mechanism to rotate in the horizontal direction.
Preferably, the solar panel system further comprises a fault monitor 5, and the fault monitor 5 comprises a monitoring data acquisition module 51, a data normalization unit 52, a main component evaluation unit 53, a main component health status determination unit 54 and a comprehensive evaluation unit 55; the monitoring data acquisition module 51 is configured to acquire system health status monitoring data according to acquisition indexes, where the acquisition indexes include main components, monitoring items of the main components, and weighting factors of the monitoring items in importance degree, where the equipment includes a telescopic control device and a solar cell panel module; the data normalization unit 52 is configured to perform normalization processing on the health status monitoring data; the main component evaluation unit 53 is configured to evaluate the health state of the main components, and the main component health state determination unit 54 is configured to determine whether or not the respective main components are in a health state; the comprehensive evaluation unit 55 is used for evaluating the health status of each device.
The preferred embodiment constructs the whole framework of the fault monitor 5, and perfects the health state analysis function of the fault monitor 5 on the solar cell panel system.
Preferably, the main member x is assumed to have m in commonxWhen the monitoring instrument α is used to monitor the ith monitoring item, i is 1xThe monitoring quantity error may be generated due to the influence of temperature and humidity, and a temperature correction factor psi is introducedαAnd a humidity correction factor phiα，Wherein T is the ambient temperature when the monitoring instrument α monitors the monitored item, T0And a standard temperature applicable for monitoring by monitoring instrument α,wherein H is the environmental humidity when the monitoring instrument α monitors the monitoring item, H0In order to monitor the standard humidity applied by the monitoring instrument α, the normalization processing formula adopted by the data normalization unit 52 is as follows:
wherein G isiRepresents the state monitoring quantity after the normalization processing of the ith monitoring item, Gi∈[0,1]When G isiWhen it is close to 0, G means that the state is goodiWhen the state is close to 1, the state is poor; j. the design is a squareiThe original state monitoring quantity, delta, of the ith monitoring itembiIs a boundary value, delta, when the ith monitoring item is in the normal state range and corresponds to the optimal stateciThe boundary value when the ith monitoring item is in the normal state range but not in the optimal state is set.
In the preferred embodiment, the normalization processing formula of the data normalization unit 52 is designed, different monitoring quantities are converted to be between 0 and 1 and have the same normal and abnormal boundaries, so that the health status monitoring data can be conveniently processed subsequently, and the temperature correction factor and the humidity correction factor are introduced into the normalization processing formula, so that the normalization processing process is simplified, and the normalization processing precision is improved.
Preferably, the normalized state monitoring quantities affecting the x state of the principal component are set to { G }i,i＝1,...,mxThe health state index Z of the principal component x taken by the principal component evaluation unit 53xThe calculation formula of (a) is set as:
if all Gi≤1-e-0.5When the temperature of the water is higher than the set temperature,
if there is at least one Gi＞1-e-0.5When the temperature of the water is higher than the set temperature,
wherein Z isxIndicates the health status evaluation index, Z, of the main component xi∈[0,1],1-e-0.5For the normalized state monitoring quantities corresponding to normal critical values, mcThe normalized state monitoring quantity is less than the critical value 1-e-0.5Number of times, QiIs a weighting factor, m, of the importance of the ith monitoring item in the principal component xc＜mxTime, weight factor QiFollowing mcThe number of the components is adjusted in proportion.
The preferred embodiment provides a calculation formula of the evaluation index of the health state of the main component, and different normalized monitoring quantities are converted to be between 0 and 1 and have the same normal and abnormal boundaries, so that the health state of the main component can be simply and comprehensively obtained, the evaluation of the health state of the main component is simplified, and the speed of the health state evaluation is improved while the accuracy is ensured.
Preferably, the determination principle of the main component health state determination unit 54 is: probability P of abnormal state of main component xxGreater than a set threshold value PYJudging that the main component x is abnormal, and if the main component x is abnormal, determining the probability P of the main component x being abnormalxIs not greater than a set threshold value PYJudging that the main member x is healthy, PYIs in the range of [0.1,0.2 ]]Comprehensive state index Z of main member provided with n samplesx1,...,ZxnTaken from the continuous distribution H (Z)x) Probability P that the primary member x is in a state anomalyxThe calculation formula of (2) is as follows:
here, the
Wherein,is an arbitrary point ZxThe density of the nuclei of (a) is,b is the sample standard deviation and J is the interquartile range.
The preferred embodiment determines the health state of the main component by calculating the abnormal probability of the main component, has high analysis accuracy, and accelerates the speed of analyzing the health state of the main component.
Preferably, the equipment has N main components, and the probability that the main component x is in abnormal state is PxWhere x is 1,2, …, N, the total state health indicator B used by the total assessment unit 55The calculation formula is as follows:
in the formula, WxSetting a threshold value E for the weighting factor of the importance degree of the xth main component in the equipment, if B>E, the equipment is in a healthy state, and the value range of E is [0.9,0.99 ]]。
The preferred embodiment calculates the health state of the equipment by using the weight factor, has high calculation precision, and further improves the monitoring precision of the system.
In this application scenario, the above embodiment takes PYThe speed of monitoring and analyzing the health state of each device is relatively improved by 11 percent, and the monitoring and analyzing precision is relatively improved by 9 percent when the E is 0.98.
Application scenario 5
Referring to fig. 1 and 2, a solar panel system in an embodiment of the application scenario includes a telescopic bracket and a solar panel module, where the solar panel module is disposed at a top end of the telescopic bracket.
The invention has the beneficial effects that: through setting up telescopic bracket, reduce solar cell panel's height when needs maintenance to foretell technical problem has been solved.
Preferably, telescopic bracket includes outer tube 1 and inner tube 2, and 1 inner chamber of outer tube can be taken into to inner tube 2, the junction of outer tube 1 and inner tube 2 set up flexible controlling means 3, this flexible controlling means 3 mainly comprises shell body, motor, drive mechanism, friction pulley, battery and relevant circuit and frame, 2 surfaces of inner tube radially set up groove structure 4, 3 fixed mounting of flexible controlling means on outer tube 1, the groove structure 5 on friction pulley cooperation outer tube 1 surface in the flexible controlling means uses to realize the flexible of inner tube.
This preferred embodiment sets up the structure of telescopic bracket, has perfected telescopic bracket's flexible function, and the flexible controlling means 3 that add on the outer tube is easy and simple to handle, has realized telescopic bracket's electric control, and flexible size is more accurate, and this electrically controlled device location effect is good, and stability is high.
Preferably, the transmission mechanism mainly comprises a straight gear transmission mechanism and a bevel gear transmission mechanism, and an idler gear is arranged in the straight gear transmission mechanism to ensure that the rotation directions of the friction wheels are the same.
The bevel gear transmission mechanism provided in the preferred embodiment can convert the horizontal movement of the motor into vertical movement, and further cause the spur gear transmission mechanism to rotate in the horizontal direction.
Preferably, the solar panel system further comprises a fault monitor 5, and the fault monitor 5 comprises a monitoring data acquisition module 51, a data normalization unit 52, a main component evaluation unit 53, a main component health status determination unit 54 and a comprehensive evaluation unit 55; the monitoring data acquisition module 51 is configured to acquire system health status monitoring data according to acquisition indexes, where the acquisition indexes include main components, monitoring items of the main components, and weighting factors of the monitoring items in importance degree, where the equipment includes a telescopic control device and a solar cell panel module; the data normalization unit 52 is configured to perform normalization processing on the health status monitoring data; the main component evaluation unit 53 is configured to evaluate the health state of the main components, and the main component health state determination unit 54 is configured to determine whether or not the respective main components are in a health state; the comprehensive evaluation unit 55 is used for evaluating the health status of each device.
The preferred embodiment constructs the whole framework of the fault monitor 5, and perfects the health state analysis function of the fault monitor 5 on the solar cell panel system.
Preferably, the main member x is assumed to have m in commonxWhen the monitoring instrument α is used to monitor the ith monitoring item, i is 1xThe monitoring quantity error may be generated due to the influence of temperature and humidity, and a temperature correction factor psi is introducedαAnd a humidity correction factor phiα，Wherein T is the ambient temperature when the monitoring instrument α monitors the monitored item, T0And a standard temperature applicable for monitoring by monitoring instrument α,wherein H is the environmental humidity when the monitoring instrument α monitors the monitoring item, H0In order to monitor the standard humidity applied by the monitoring instrument α, the normalization processing formula adopted by the data normalization unit 52 is as follows:
wherein G isiRepresents the state monitoring quantity after the normalization processing of the ith monitoring item, Gi∈[0,1]When G isiWhen it is close to 0, G means that the state is goodiWhen the state is close to 1, the state is poor; j. the design is a squareiThe original state monitoring quantity, delta, of the ith monitoring itembiIs a boundary value, delta, when the ith monitoring item is in the normal state range and corresponds to the optimal stateciThe boundary value when the ith monitoring item is in the normal state range but not in the optimal state is set.
In the preferred embodiment, the normalization processing formula of the data normalization unit 52 is designed, different monitoring quantities are converted to be between 0 and 1 and have the same normal and abnormal boundaries, so that the health status monitoring data can be conveniently processed subsequently, and the temperature correction factor and the humidity correction factor are introduced into the normalization processing formula, so that the normalization processing process is simplified, and the normalization processing precision is improved.
Preferably, let us consider the set of all normalized state monitoring quantities affecting the state of the principal component xIs { Gi,i＝1,...,mxThe health state index Z of the principal component x taken by the principal component evaluation unit 53xThe calculation formula of (a) is set as:
if all Gi≤1-e-0.5When the temperature of the water is higher than the set temperature,
if there is at least one Gi＞1-e-0.5When the temperature of the water is higher than the set temperature,
wherein Z isxIndicates the health status evaluation index, Z, of the main component xi∈[0,1],1-e-0.5For the normalized state monitoring quantities corresponding to normal critical values, mcThe normalized state monitoring quantity is less than the critical value 1-e-0.5Number of times, QiIs a weighting factor, m, of the importance of the ith monitoring item in the principal component xc＜mxTime, weight factor QiFollowing mcThe number of the components is adjusted in proportion.
The preferred embodiment provides a calculation formula of the evaluation index of the health state of the main component, and different normalized monitoring quantities are converted to be between 0 and 1 and have the same normal and abnormal boundaries, so that the health state of the main component can be simply and comprehensively obtained, the evaluation of the health state of the main component is simplified, and the speed of the health state evaluation is improved while the accuracy is ensured.
Preferably, the determination principle of the main component health state determination unit 54 is: probability P of abnormal state of main component xxGreater than a set threshold value PYJudging that the main component x is abnormal, and if the main component x is abnormal, determining the probability P of the main component x being abnormalxIs not greater than a set threshold value PYJudging that the main member x is healthy, PYIs in the range of [0.1,0.2 ]]Comprehensive state index Z of main member provided with n samplesx1,...,ZxnTaken from the continuous distribution H (Z)x) Probability P that the primary member x is in a state anomalyxThe calculation formula of (2) is as follows:
here, the
Wherein,is an arbitrary point ZxThe density of the nuclei of (a) is,b is the sample standard deviation and J is the interquartile range.
The preferred embodiment determines the health state of the main component by calculating the abnormal probability of the main component, has high analysis accuracy, and accelerates the speed of analyzing the health state of the main component.
Preferably, the equipment has N main components, and the probability that the main component x is in abnormal state is PxWhere x is 1,2, …, N, the calculation formula of the comprehensive state health index B adopted by the comprehensive evaluation unit 55 is as follows:
in the formula, WxFor the x-th main member in the apparatusSetting a threshold value E if B>E, the equipment is in a healthy state, and the value range of E is [0.9,0.99 ]]。
The preferred embodiment calculates the health state of the equipment by using the weight factor, has high calculation precision, and further improves the monitoring precision of the system.
In this application scenario, the above embodiment takes PYThe monitoring and analyzing speed of the health state of each device is relatively improved by 12 percent, and the monitoring and analyzing precision is relatively improved by 14 percent when the E is 0.99.
Finally, it should be noted that the above application scenarios are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, and although the present invention is described in detail with reference to the preferred application scenarios, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims (2)

1. A solar cell panel system is characterized by comprising a telescopic bracket and a solar cell panel module, wherein the solar cell panel module is arranged at the top end of the telescopic bracket; the telescopic support comprises an outer pipe and an inner pipe, the inner pipe can be inserted into the inner cavity of the outer pipe, a telescopic control device is arranged at the joint of the outer pipe and the inner pipe, the telescopic control device mainly comprises an outer shell, a motor, a transmission mechanism, a friction wheel, a battery, a related circuit and a rack, a groove structure is radially arranged on the outer surface of the inner pipe, the telescopic control device is fixedly installed on the outer pipe and stretches into the outer pipeA friction wheel in the shrinkage control device is matched with a groove structure on the outer surface of the inner pipe for use so as to realize the expansion of the inner pipe; the fault monitoring system comprises a fault monitoring instrument and a fault monitoring system, wherein the fault monitoring instrument comprises a monitoring data acquisition module, a data normalization unit, a main component evaluation unit, a main component health state judgment unit and a comprehensive evaluation unit; the monitoring data acquisition module is used for acquiring system health state monitoring data according to acquisition indexes, wherein the acquisition indexes comprise main components, monitoring items of the main components and weight factors of the monitoring items in the important degree, and the equipment is a telescopic control device and a solar cell panel module; the data normalization unit is used for performing normalization processing on the health state monitoring data; the main component evaluation unit is configured to evaluate a state of health of the main component, and the main component state of health determination unit is configured to determine whether or not each of the main components is in a state of health; the comprehensive evaluation unit is used for evaluating the health state of each device; the determination principle of the main component health state determination unit is as follows: probability P of abnormal state of main component xxGreater than a set threshold value PYJudging that the main component x is abnormal, and if the main component x is abnormal, determining the probability P of the main component x being abnormalxIs not greater than a set threshold value PYJudging that the main member x is healthy, PYIs in the range of [0.1,0.2 ]]Comprehensive state index Z of main member provided with n samplesx1,...,ZxnTaken from the continuous distribution H (Z)x) Probability P that the primary member x is in a state anomalyxThe calculation formula of (2) is as follows:
here, the
Wherein,is an arbitrary point ZxThe density of the nuclei of (a) is,b is the standard deviation of the sample, J is the interquartile range, ZkThe health state evaluation index of the main component of the kth sample is represented.
2. A solar panel system according to claim 1, where the transmission means is comprised of a spur gear transmission and a bevel gear transmission, where the spur gear transmission includes an idler gear to ensure that the rotation direction of the friction wheel is the same.
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