CN109556845A - Monitoring method, monitoring device and the switchgear of the breaker of switchgear - Google Patents
Monitoring method, monitoring device and the switchgear of the breaker of switchgear Download PDFInfo
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- CN109556845A CN109556845A CN201811453590.8A CN201811453590A CN109556845A CN 109556845 A CN109556845 A CN 109556845A CN 201811453590 A CN201811453590 A CN 201811453590A CN 109556845 A CN109556845 A CN 109556845A
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- switchgear
- breaker
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- General Physics & Mathematics (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
- Gas-Insulated Switchgears (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The present invention provides monitoring method, monitoring device and the switchgear of the breaker of switchgear.The motion characteristic data of component is monitored in the available switchgear being currently running of this method, the monitored component includes at least one of lower component: the moving contact of the breaker of switchgear, the linkage part with the moving contact with corresponding motion feature；The fault condition of the switchgear is detected according to the motion characteristic data.Pass through the motion characteristic data of detection moving contact or linkage part, it can be deduced that the behavior pattern of entire breaker, such as clamping stagnation whether occurs in entire breaker, whether there is situations such as component wear, aging.
Description
Technical field
The present invention relates to switchgear monitoring technology, the in particular to monitoring method of the breaker of switchgear, monitoring dress
It sets and switchgear.
Background technique
The mechanical breakdown of switchgear can cause main circuit operating trouble, to cause serious personal safety risk and wealth
Produce loss.Therefore, it is necessary to the mechanical properties of monitoring switch equipment, to find failure and failure occurrence tendency.At present it is middle pressure and
The mechanical property of high pressure field, switchgear (such as breaker, load switch, etc.) can be carried out in annual maintenance off-line
Detection.Offline inspection generallys use grating scale or slide-wire rheostat, and test equipment is connect point with a special measurement equipment
Analysis.There are also the closing coils that some on-line monitoring solutions can monitor tripping and switchgear.
Technology contents
In view of this, being used the invention proposes the monitoring method of the breaker of switchgear, monitoring device and switchgear
In the fault condition of the breaker of on-line monitoring switchgear, the loss of switch fault bring is reduced.
The monitoring method of the switchgear of each embodiment may include:
The motion characteristic data that component is monitored in the switchgear being currently running is obtained, monitored component includes with lower part
At least one of part: the moving contact of the breaker of switchgear, the linkage part with moving contact with corresponding motion feature；
According to the fault condition of motion characteristic data monitoring breaker.
In each embodiment, since the motion conditions of moving contact or its linkage part reflect the whole mechanical property of breaker
Virtual condition, pass through the motion characteristic data for obtaining moving contact or linkage part, it can be deduced that the performance feelings of entire breaker
Clamping stagnation whether occurs in condition, such as entire breaker, whether there is situations such as component wear, aging.Also, by monitoring
The moving contact of breaker or its linkage part in the switchgear of operation can find that the failure of breaker or failure become in time
Gesture, to reduce loss.
In some embodiments, the motion characteristic data for obtaining monitored component in the switchgear being currently running be can wrap
It includes:
The motion sensor on monitored component by being located at switchgear, obtains the motion feature number of monitored component
According to.
Motion sensor is easily assembled to, and is suitable for all high and medium voltage switchgears, has a wide range of application, and is realized simple.
In some embodiments, motion sensor is acceleration transducer.Since acceleration can reflect monitored portion simultaneously
The situation of quality, stress, the movement velocity of part etc. can obtain breaker in various performance feelings using acceleration transducer
Condition, so as to accurately obtain the fault condition of breaker.
In some embodiments, the fault condition according to the breaker of motion characteristic data monitoring switch equipment may include:
Motion characteristic data is compared with the preset baseline locomotor characteristic of the breaker of switchgear；
The fault condition of breaker is determined according to comparison result.
By being compared with baseline locomotor characteristic, becoming for failure can be just found in advance when not yet breaking down
Gesture carries out maintenance and repair in time, can be to avoid the bring idle cost that breaks down.
In some embodiments, the motion characteristic data for obtaining the monitored component of switchgear includes: according to predeterminated frequency
The multiple sampled values for obtaining the monitored component of switchgear, according to multiple sampled value matched curves as motion characteristic data；
If the fault condition for determining breaker according to comparison result includes: the similarity of motion characteristic data Yu baseline locomotor characteristic
Less than or equal to preset first threshold, it is determined that breaker breaks down or have fault trend.
Using the time graph of numerical value as motion characteristic data, it is compared to monitoring fault condition with datum curve,
It can accurately detect and be out of order or fault trend, monitoring effect are good.
In some embodiments, the motion characteristic data for obtaining the monitored component of switchgear includes: according to predeterminated frequency
The multiple sampled values for obtaining the monitored component of switchgear, using the average value of multiple sampled values as motion characteristic data；Root
If the fault condition for determining breaker according to comparison result includes: that the difference of motion characteristic data and baseline locomotor characteristic is greater than
Or it is equal to preset second threshold, it is determined that breaker breaks down or have fault trend.
Using single number as motion characteristic data, realize simply, to the of less demanding of processing capacity.
In some embodiments, the above method can also include:
When determining that switchgear breaks down or has fault trend, warning information is issued.
By issuing warning information, result can be will test and notify administrative staff in time, reduce the loss of failure bring.
In some embodiments, motion characteristic data can be selected from: the acceleration of moving contact or its linkage part, speed, position
It moves, just closed speed, just-off speed, rigid timesharing quarter, closing time, opening time, closing speed, opening velocity, rotation speed, rotation
Gyration.
The monitoring device of the breaker of the switchgear of each embodiment may include:
Data acquisition module, for obtaining the motion characteristic data for being monitored component in the switchgear being currently running, quilt
Monitoring component includes at least one of lower component: the moving contact of the breaker of the switchgear has phase with moving contact
The linkage part for the motion feature answered；
Monitoring modular, for the fault condition according to the breaker of motion characteristic data detection switch equipment.
The monitoring device of each embodiment, by the motion characteristic data for obtaining moving contact or linkage part, it can be deduced that whole
Clamping stagnation whether occurs in the behavior pattern of a breaker, such as entire breaker, whether there is situations such as component wear, aging.
Also, monitoring device can be monitored on-line, can find the failure or fault trend of breaker in time, to reduce switch
The loss of failure bring.
In some embodiments, data acquisition module is specifically used for through the movement on the monitored component of switchgear
Sensor obtains the motion characteristic data of monitored component.
Since motion sensor is easily assembled to, the monitoring device of each embodiment does not require switching devices to carry out machine
Tool transformation, is suitable for all high and medium voltage switchgears, has a wide range of application, and realizes simple.
In some embodiments, monitoring modular may include:
Data Comparative sub-module, for the preset baseline locomotor of the breaker of motion characteristic data and switchgear is special
Sign data are compared；
Fault detection submodule, for determining the fault condition of breaker according to comparison result.
By being compared with baseline locomotor characteristic, the monitoring device of each embodiment can be when not yet breaking down
The trend for just finding failure in advance, carries out maintenance and repair in time, can be to avoid the bring idle cost that breaks down.
In some embodiments, data acquisition module is used for, and obtains the motion characteristic data of the monitored component of switchgear
It include: multiple sampled values that the monitored component of switchgear is obtained according to predeterminated frequency, according to multiple sampled value matched curves
As motion characteristic data；
Fault detection submodule is used for, if the similarity of motion characteristic data and baseline locomotor characteristic is less than or equal to
Preset first threshold, it is determined that breaker breaks down or have fault trend.
In some embodiments, data acquisition module is used for, and obtains the motion characteristic data of the monitored component of switchgear
Include: the multiple sampled values for obtaining the monitored component of switchgear according to predeterminated frequency, the average value of multiple sampled values is made
For motion characteristic data；
Fault detection submodule is used for, if the difference of motion characteristic data and baseline locomotor characteristic is greater than or equal in advance
If second threshold, it is determined that breaker breaks down or has fault trend.
According between real data and reference data similarity or difference determine whether to break down or become with failure
Gesture, the degradation convenient for switching devices mechanical performance are quantified, and can be detected by changing threshold value to control
Failure or fault trend degree, it is convenient to carry out, and have biggish flexibility, be able to satisfy the demand of different scenes.
In some embodiments, the monitoring device of each embodiment can also include:
Alarm module, for issuing warning information when determining that switchgear breaks down or has fault trend.
By issuing warning information, the monitoring device of each embodiment can will test result and notify administrative staff in time, subtract
Few failure bring loss.
The circuit breakers monitoring device of the switchgear of some embodiments may include:
At least one communication interface is used to be led to the motion sensor on the monitored component of switchgear
Letter, monitored component includes at least one of lower component: the moving contact of the breaker of the switchgear has with moving contact
There is the linkage part of corresponding motion feature；
At least one processor is used to store the information obtained by motion sensor；
At least one processor, connect with communication interface and memory, and processor is used to execute the switch of each embodiment
The monitoring method of the breaker of equipment.
The monitoring device of these embodiments is obtained the motion characteristic data of monitored component by communication interface, can adopted
It is monitored on-line with specialized hardware, it is small in size, it is at low cost.
The circuit breakers monitoring device of the switchgear of some embodiments may include:
At least one processor, for storing instruction；
At least one processor, the open circuit of the switchgear for each embodiment of instruction execution for being used to be stored according to memory
The monitoring method of device.
The monitoring device of these embodiments executes the instruction in memory using common hardware, to realize switchgear
Breaker on-line monitoring, applied widely, deployment is simple.
The switchgear of each embodiment may include:
Breaker；
At least one motion sensor, on the monitored component of switchgear, monitored component includes with lower component
At least one of: the moving contact of breaker, the linkage part with moving contact with corresponding motion feature；And
According to aforementioned described in any item monitoring devices.
The switchgear of each embodiment has motion sensor and monitoring device, the online of itself breaker may be implemented
Monitoring, without using additional monitoring device.
The readable storage medium storing program for executing of each embodiment can store machine readable instructions, and machine readable instructions are when by a machine
When execution, machine executes the monitoring method of the breaker of the switchgear of each embodiment.
The storage medium of each embodiment can provide instruction, execute these instructions by processor to realize switchgear
The on-line monitoring of breaker does not need dedicated hardware, easy to use.
Detailed description of the invention
Below will detailed description of the present invention preferred embodiment by referring to accompanying drawing, make those skilled in the art more
Clear above and other feature and advantage of the invention, in attached drawing:
Fig. 1 is the flow chart of the monitoring method of the breaker of the switchgear of the embodiment of the present invention.
Fig. 2 is the flow chart of the monitoring method of the breaker of the switchgear of the embodiment of the present invention.
Fig. 3 is the flow chart of the monitoring method of the breaker of the switchgear of the embodiment of the present invention.
Fig. 4 is the flow chart of the monitoring method of the breaker of the switchgear of the embodiment of the present invention.
Fig. 5 is the schematic diagram of the monitoring device of the breaker of the switchgear of the embodiment of the present invention.
Fig. 6 is the schematic diagram of the monitoring device of the breaker of the switchgear of the embodiment of the present invention.
Fig. 7 is the schematic diagram of the assembly method of the monitoring device of the breaker of the switchgear of the embodiment of the present invention.
Fig. 8 is the schematic diagram of the assembly method of the monitoring device of the breaker of the switchgear of the embodiment of the present invention.
Fig. 9 is the schematic diagram of the monitoring device of the breaker of the switchgear of the embodiment of the present invention.
Figure 10 is the schematic diagram of the monitoring device of the breaker of the switchgear of the embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, by the following examples to of the invention further detailed
It describes in detail bright.
The failure or performance degradation of either component in switchgear, finally can all influence the last one link of switch,
That is the movement of the moving contact of breaker, it is possible to will lead to that moving contact can not act or motion feature changes.The present invention mentions
The monitoring method for having supplied the breaker of switchgear, by obtaining the moving contact of breaker or its linkage part that are currently running
Mechanical property realizes monitoring and assessment to the overall performance of breaker, the fault condition of monitoring breaker.
Fig. 1 is a kind of flow chart of the monitoring method of the breaker of switchgear of the embodiment of the present invention.This method is held
Row main body is monitoring device, be may be provided inside switchgear, such as in the secondary device of switchgear, also can be set
In other equipment except switchgear, specifically it is not construed as limiting.As shown in Figure 1, this method may include steps of:
Step S11 obtains the motion characteristic data that component is monitored in the switchgear being currently running.
In each embodiment, switchgear can be high pressure or medium voltage switchgear equipment, specifically can be air insulation switch, gas
Body insulated switching installation etc..Monitored component may include at least one of lower component: the breaker of switchgear moves
Contact, the linkage part with moving contact with corresponding motion feature.The linkage part, which can be, with moving contact there is rigidity to connect
The component connect.In some embodiments, linkage part can be the component for having same movement feature with moving contact, such as moving contact
Pull rod etc..In other embodiments, linkage part can also be the component for having corresponding sports feature with moving contact, such as drive dynamic touching
The rotation axis etc. of head rotation.
The present embodiment determines that the fault condition for the switchgear being currently running indicates that switching devices are monitored on-line.
Step S12, according to the fault condition of motion characteristic data monitoring breaker.
In each embodiment, fault condition may include the failure occurred, also may include the feelings of imminent failure
Condition, i.e. fault trend situation.
In each embodiment, since the motion conditions of moving contact or its linkage part reflect the whole mechanical property of breaker
Virtual condition, pass through the motion characteristic data of detection moving contact or linkage part, it can be deduced that the performance feelings of entire breaker
Clamping stagnation whether occurs in condition, such as breaker, whether there is situations such as component wear, aging.Also, it is currently running by monitoring
Switchgear in breaker moving contact or its linkage part, can find the failure or fault trend of breaker in time, from
And reduce loss.
The motion characteristic data of moving contact or its linkage part, which can be, any can embody moving contact or its linkage part
Motion conditions data.The fortune of monitored component can be obtained by the sensor of doing exercises being mounted on monitored component
Dynamic characteristic.Sensor of doing exercises can be the motion sensor for detecting linear movement, be also possible to for detecting
The motion sensor of rotary motion.Motion characteristic data may include at least one of following data: acceleration, speed, position
Shifting, rotation speed, rotation angle, closing time, opening time, closing speed, opening velocity, just closed speed, just-off speed, just
Timesharing quarter etc..By using motion sensor, it can be directly obtained the actual motion situation of monitored component, be failure predication
True, believable data are provided.Meanwhile motion sensor is easily assembled to, and is suitable for all high and medium voltage switchgears, application
Range is wide, realizes simple.
In some embodiments, motion sensor can be acceleration transducer.It is supervised since acceleration can reflect simultaneously
The situation for surveying quality, stress, movement velocity of component etc., can obtain breaker in various property using acceleration transducer
Energy situation, so as to accurately obtain the fault condition of breaker.
In some embodiments, motion sensor can be displacement sensor.Due to using displacement sensor that can obtain quilt
The motion range of monitoring component and the flexible journey of movement for reaching the time used in the motion range, therefore breaker being obtained
Degree, so as to reflect the failure or fault trend situation of breaker.
In other embodiments, motion sensor be can according to need using other types of sensor, here without limit
It is fixed.
The failure or performance degradation of either component, finally all can cause moving contact that can not act in switchgear, or movement
Feature changes.Therefore, motion characteristic data when can be using the normal work of monitored component is as baseline locomotor feature
Data, and the fault condition for determining breaker using the baseline locomotor characteristic.Fig. 2 is that the switch of the embodiment of the present invention is set
The flow chart of the monitoring method of standby breaker.As shown in Fig. 2, this method may include steps of.
Step S21 carries out the preset baseline locomotor characteristic of the breaker of motion characteristic data and switchgear
Compare.
When the motion characteristic data that measurement obtains is compared with baseline locomotor characteristic, not according to data bulk
Together, different comparative approach can be used.For example, if baseline locomotor data are curve graph, the motion characteristic data packet
Multiple values are included, multiple value can constitute a curve graph, be compared to the similarity of two curve graphs；If baseline locomotor number
According to for a data point, then the motion characteristic data is also a data point, is compared to the diversity factor of the two.
In some embodiments, motion characteristic data can be single number, be also possible to a plurality of values.When using single number
When value is as motion characteristic data, motion characteristic data can be the sensing at some time point in the motion process of monitored component
The output valve of device, such as the output valve of the output valve of the sensor of initial time, the sensor for moving finish time is moved, such as
Initial acceleration, total displacement, always rotate angle, closing time, opening time, just closed speed, just-off speed, rigid timesharing carve etc.；
Motion characteristic data is also possible to the numerical value being calculated using the output valve of sensor, such as average speed, average rotation speed
Degree, average closing speed, average opening velocity etc..
For example, motion characteristic data can be the sensor at some time point in the motion process of monitored component
Output valve is also possible to the average value of output valve either this multiple output valve of the sensor at multiple time points, the sensor
Output valve for example move initial time sensor output valve, move finish time sensor output valve, such as just
Starting acceleration, total displacement, always rotate angle, closing time, opening time, just closed speed, just-off speed, rigid timesharing carve etc..Fortune
Dynamic characteristic is also possible to the numerical value being calculated using the output valve of sensor, for example, average speed, average rotation speed,
Average closing speed, average opening velocity etc..
Step S22 determines the fault condition of breaker according to comparison result.
When baseline locomotor characteristic refers to that the breaker of switchgear operates normally, the movement of moving contact or linkage part
Characteristic.In some embodiments, baseline locomotor characteristic can be provided by the manufacturer of switchgear.Other embodiments
In, it can be measured in motion characteristic data of the initial stage that switchgear comes into operation to its moving contact or linkage part, it will
Measurement result or the statistical result repeatedly measured are as baseline locomotor characteristic.In further embodiments, baseline locomotor is special
Sign data can also be rule of thumb arranged by technical staff.
By being compared with baseline locomotor characteristic, becoming for failure can be just found in advance when not yet breaking down
Gesture carries out maintenance and repair in time, can be to avoid the bring idle cost that breaks down.This manner of comparison is relatively simple, can
Fault condition is determined quickly.
Fig. 3 is the flow chart of the monitoring method of the breaker of the switchgear of the embodiment of the present invention.As shown in figure 3, the party
Method may include steps of.
Step S31 obtains multiple sampled values of the exercise data of the monitored component of switchgear according to predeterminated frequency, will
The average value of multiple sampled values is as motion characteristic data.
Exercise data can be the output data for the motion sensor being located on monitored component, be also possible to utilize movement
The data that the output data of sensor is calculated.
Monitored component includes at least one of lower component: the moving contact and moving contact of the breaker of switchgear
Linkage part with corresponding motion feature；
Step S32, if the difference of motion characteristic data and baseline locomotor characteristic is greater than or equal to preset second threshold
Value, it is determined that breaker breaks down or have fault trend.
When motion characteristic data can be single number, the difference of motion characteristic data and a reference value can be calculated.It is on duty
When value is more than preset threshold value, then it can be determined that switchgear breaks down or with fault trend.In each embodiment, for event
Barrier and fault trend, can be respectively configured different threshold values.When difference is more than fault threshold, determine that event occurs for switchgear
Barrier；When difference is more than fault trend threshold value, then determine that switchgear has fault trend.
For each embodiment using single number as motion characteristic data, numerical value compares realization simply, wants to processing capacity
Ask not high.
When motion characteristic data includes multiple numerical value, such as acceleration, speed, displacement, rotation speed, rotation angle etc.
A plurality of values when, then motion characteristic data can be converted into the similar of multivalue or curve compared with baseline locomotor characteristic
Degree problem.Fig. 4 is a kind of flow chart of the monitoring method of the breaker of switchgear of the embodiment of the present invention.As shown in figure 4, should
Method may include steps of.
Step S41 obtains multiple sampled values of the exercise data of the monitored component of switchgear, root according to predeterminated frequency
According to multiple sampled value matched curves as motion characteristic data.
Multiple sampled values of exercise data can be the more of the output data for the motion sensor being located on monitored component
A sampled value is also possible to the multiple numerical value being calculated using multiple sampled values of the output data of motion sensor.
Step S42, if the similarity of motion characteristic data and baseline locomotor characteristic is less than or equal to preset first
Threshold value, it is determined that breaker breaks down or have fault trend.
For example, can time graph to values a plurality of in motion characteristic data with it is a plurality of in baseline locomotor characteristic
The time graph of value asks similarity or diversity factor, and determined according to similarity or diversity factor switchgear whether break down or
Damage curve.For example, can be using formula suddenly (Haudsdorff) distance of two curves as its diversity factor.Can by similarity or
Diversity factor is compared with preset threshold value, if being more than threshold value, can be determined that switchgear breaks down or becomes with failure
Gesture.In each embodiment, for failure and fault trend, different threshold values can be respectively configured.When similarity or diversity factor are more than
When fault threshold, determine that switchgear breaks down；When similarity or diversity factor are more than fault trend threshold value, then determine to switch
Equipment has fault trend.
Each embodiment, as motion characteristic data, is compared to monitoring event with datum curve using the time graph of numerical value
Hinder situation, can accurately detect and be out of order or fault trend, monitoring effect are good.Various threshold values in each embodiment are ok
It is configured by human-computer interaction mechanism, i.e., monitoring device can be according to the information threshold value of user's input.For example, can mention
For multiple threshold options, the value that user is selected is as the threshold value of actual use.In another example threshold value input interface can be provided,
Using the value of user's input as the threshold value of actual use.According between real data and reference data similarity or difference determine
Whether break down or there is fault trend, the degradation convenient for switching devices mechanical performance quantified, and can be with
The degree of the failure or fault trend that detect is controlled by changing threshold value, detection scheme is convenient to carry out, and has biggish
Flexibility is able to satisfy the demand of different scenes.
In some embodiments, when determining that switchgear breaks down or has fault trend, warning information can be issued.
Warning information can be the information by forms such as sound, light, texts.Warning information can be directly displayed in monitoring device,
Also it may be displayed on and be connected via wire or wirelessly in other equipment with monitoring device, such as computer, the mobile phone of operator
On, etc..By issuing warning information, result can be will test and notify administrative staff in time, reduce the loss of failure bring.
The switchgear detection method of each embodiment can be executed by monitoring device.Fig. 5 is one embodiment of the invention
The schematic diagram of the monitoring device of the breaker of switchgear.As shown in figure 5, the monitoring device 51 may include data acquisition module
511 and monitoring modular 512.In some embodiments, data acquisition module 511 and monitoring modular 512 can be arranged at switch and set
In standby.In other embodiments, the equipment except switchgear is can be set in data acquisition module 511 and monitoring modular 512
In, or be arranged in the multiple equipment including switchgear.For example, data acquisition module 511 can be set in switchgear
In, monitoring modular 512 can be set in another equipment except switchgear, and in the way of preset with data acquisition mould
Block 511 communicates.
The motion characteristic data of component is monitored in the available switchgear being currently running of data acquisition module 511.
Data acquisition module 511 can be fixed on monitored component in a manner of rigidly connected.For example, rigid connection can be spiral shell
The connection types such as silk, welding.Monitored component may include at least one of lower component: the moving contact of breaker, with it is dynamic
Contact has the linkage part of corresponding motion feature.
The motion characteristic data that monitoring modular 512 can be got according to data acquisition module 511, monitoring switch equipment
Fault condition.
The monitoring device of each embodiment, by the motion characteristic data for obtaining moving contact or linkage part, it can be deduced that whole
Clamping stagnation whether occurs in the behavior pattern of a breaker, such as entire breaker, whether there is situations such as component wear, aging.
Also, monitoring device can be monitored on-line, can find the failure or fault trend of breaker in time, to reduce switch
The loss of failure bring.
In some embodiments, data acquisition module 511 can pass through the movement on the monitored component of switchgear
Sensor obtains the motion characteristic data of monitored component.
Since motion sensor is easily assembled to, the monitoring device of each embodiment does not require switching devices to carry out machine
Tool transformation, is suitable for all high and medium voltage switchgears, has a wide range of application, and realizes simple.
In some embodiments, monitoring modular 512 may include: data Comparative sub-module 5121 and fault detection submodule
5122.Data Comparative sub-module 5121 can be special by the preset baseline locomotor of the breaker of motion characteristic data and switchgear
Sign data are compared.Fault detection submodule 5122 can determine the fault condition of breaker according to comparison result.
By being compared with baseline locomotor characteristic, the monitoring device of each embodiment can be when not yet breaking down
The trend for just finding failure in advance, carries out maintenance and repair in time, can be to avoid the bring idle cost that breaks down.
In some embodiments, the motion feature number of the monitored component of the available switchgear of data acquisition module 511
According to including: the multiple sampled values for obtaining the monitored component of switchgear according to predeterminated frequency, it is fitted according to multiple sampled values bent
Line is as motion characteristic data.Data Comparative sub-module 5121 compares motion characteristic data and baseline locomotor characteristic
Compared with if similarity is less than or equal to preset first threshold, fault detection submodule 5122 can determine that event occurs for breaker
Hinder or have fault trend.
Using the time graph of numerical value as motion characteristic data, it is compared to monitoring fault condition with datum curve,
It can accurately detect and be out of order or fault trend, monitoring effect are good.
In some embodiments, the motion feature number of the monitored component of the available switchgear of data acquisition module 511
According to including: the multiple sampled values for obtaining the monitored component of switchgear according to predeterminated frequency, by the average value of multiple sampled values
As motion characteristic data.Motion characteristic data is compared by data Comparative sub-module 5121 with baseline locomotor characteristic,
If difference is greater than or equal to preset second threshold, fault detection submodule 5122 can determine that breaker breaks down or has
Standby fault trend.
Using single number as motion characteristic data, numerical value compares realization simply, to the of less demanding of processing capacity.
Fig. 6 is a kind of schematic diagram of the monitoring device of the breaker of switchgear of the embodiment of the present invention.As shown in fig. 6,
The monitoring device may include data acquisition module 511, monitoring modular 512 and alarm module 513.Alarm module 513 can be
When determining that switchgear breaks down or has fault trend, warning information is issued.By issuing warning information, each embodiment
Monitoring device can will test result and notify administrative staff in time, reduce the loss of failure bring.
In some embodiments, it is data acquisition module 511 which, which can also include power module (not shown),
It powers with monitoring modular 512.Power supply mode can be wired power supply mode using cable etc., be also possible to wireless power side
Formula.
In other embodiments, which can also include Data connection module (not shown), can be by having
Line wirelessly realizes data transmission between data acquisition module 511 and monitoring modular 512.
In some embodiments, monitoring device be can be set in switching equipment.Fig. 7 is the switchgear of the embodiment of the present invention
Breaker monitoring device assembly method schematic diagram.As an illustrative examples, as shown in fig. 7, monitoring device
74 may be mounted on any fixation member in switchgear (such as in secondary device).Monitoring device 74 can be by being mounted on
Motion sensor 73 in switchgear on the pull rod 71 of moving contact 72 acquires the primary data of pull rod 71.The primary data sheet
Body can be motion characteristic data or motion sensor and primary data generated motion characteristic data by simple processing,
It can also be that primary data is sent to monitoring device 84 by motion sensor, it is special to generate movement after treatment by monitoring device 84
Data are levied, details are not described herein.Monitoring device 74 and motion sensor 73 can pass through wired (such as the communications cable etc.) or nothing
The mode of line (such as radio communication etc.) is communicated.In some embodiments, monitoring device 74 can be dedicated hard by single-chip microcontroller etc.
The application specific processors such as part or FPGA, ASIC are realized.In some embodiments, monitoring device 74 may include general processor and deposit
Reservoir.Wherein, processing logic is stored in memory, processing logic can be realized the monitoring of each embodiment by processor execution
Method.
In some embodiments, monitoring device can be realized by the equipment except switchgear.Fig. 8 is the embodiment of the present invention
The schematic diagram of the assembly method of the monitoring device of the breaker of switchgear.As shown in figure 8, monitoring device 84 can pass through installation
The motion sensor 83 on the pull rod 81 of moving contact 82 acquires the motion characteristic data of pull rod 81 in switching equipment.
In some embodiments, the initial of component is monitored in the available switchgear being currently running of motion sensor 83
Data, the primary data itself can be motion characteristic data or motion sensor for primary data by simple processing
Motion characteristic data is generated, can also be that primary data is sent to monitoring device 84 by motion sensor, passed through by monitoring device 84
Motion characteristic data is generated after crossing processing, details are not described herein.Monitoring device 84 is according to motion characteristic data monitoring switch equipment
Breaker fault condition.Preset data transmission mechanism can be the communication mechanism of any wired or wireless communication, can be with
It, can also be using the privately owned communication protocol specially designed using general communication protocol.In some embodiments, motion sensor 83
Monitoring device 84 can be transferred to by communication network (such as local area network, Internet, etc.).
In some embodiments, as shown in figure 9, monitoring device 84 may include: data acquisition module 841 and monitoring modular
842.Wherein, data acquisition module 841 can use preset data transmission mechanism and obtain switchgear from data acquisition device
In be monitored component motion characteristic data.Monitoring modular 842 can be according to the failure feelings of motion characteristic data monitoring breaker
Condition.
In some embodiments, data acquisition module 841 can pass through the movement on the monitored component of switchgear
Sensor obtains the motion characteristic data of monitored component.Since motion sensor is easily assembled to, the number of each embodiment
It is suitable for all high and medium voltage switchgears according to acquisition device, has a wide range of application, realizes simple.
In some embodiments, data acquisition module 841 can be at predetermined intervals to the output valve of motion sensor
Plural number time sampling is carried out, single numerical value that obtained a plurality of sampled values are obtained by default processing (such as mean value, etc.) make
For motion characteristic data；It can also be by a plurality of sampled values or a plurality of values of the other parameters obtained using a plurality of sampled values
As motion characteristic data.
In some embodiments, monitoring device 84 can be realized by the processing equipment being arranged in except switchgear.Some realities
It applies in example, monitoring device 84 can be realized by specialized hardwares such as single-chip microcontrollers, can also be by the application specific processors such as ASIC, FPGA reality
It is existing.In some embodiments, monitoring device 84 may include general processor and memory.Wherein, processing is stored in memory
Logic, processing logic can be realized the monitoring method of each embodiment by processor execution.
By obtaining the motion characteristic data of moving contact or linkage part that data acquisition device detects, each embodiment
Monitoring device can obtain the behavior pattern of entire breaker accordingly.Also, the motion characteristic data that data acquisition device obtains
It is the actual operating data monitored on-line, can finds the failure or fault trend of breaker in time, to reduces switch event
Hinder bring loss.
In some embodiments, monitoring modular 842 may include: data Comparative sub-module 8421 and fault detection submodule
8422.Data Comparative sub-module 8421 can be special by the preset baseline locomotor of the breaker of motion characteristic data and switchgear
Sign data are compared.Fault detection submodule 8422 can determine the fault condition of breaker according to comparison result.By with
Baseline locomotor characteristic is compared, and the monitoring device of each embodiment can just find failure in advance when not yet breaking down
Trend, carry out maintenance and repair in time, can be to avoid the bring idle cost that breaks down.
In some embodiments, monitoring device 84 can also include alarm module (not shown).When determining switchgear
Failure or when having fault trend, alarm module can issue warning information.By issuing warning information, the monitoring of each embodiment
Device can will test result and notify administrative staff in time, reduce the loss of failure bring.
Each embodiment provides a kind of monitoring device of the breaker of switchgear.Switchgear may include one or plural number
A breaker.As shown in Figure 10, monitoring device 110 may include at least one communication interface 111, at least one processor 112
And at least one processor 113.In some embodiments, communication interface 111, which can be, supports certain wired or wireless communication association
The interface of view, such as Ethernet interface, WiFi interface, blue tooth interface, industrial field bus interface, etc..In some embodiments, lead to
Letter interface 111 is also possible to the interface of the privately owned communication protocol specially designed for monitoring device.
Wherein, at least one communication interface 111 can be with the motion sensor on the monitored component of switchgear
It is communicated.Monitored component includes at least one of lower component: the moving contact and moving contact of the breaker of switchgear
Linkage part with corresponding motion feature.
At least one processor 112 its be used to store the information obtained by motion sensor.The information can be movement
The output valve of sensor is also possible to data being calculated using the output valve of motion sensor etc..
At least one processor 113 is connect with communication interface 111 and memory 112, and available communication interface 111 is sent
Data and memory 112 in information.Processor 113 can execute the monitoring of the breaker of the switchgear of each embodiment
Method.Memory 112 can be set in processor 113, can also be separately provided.Processor 113 can be by specialized hardware reality
It is existing, such as single-chip microcontroller, FPGA, ASIC etc..
According to the present embodiment, the motion characteristic data of monitored component is obtained by communication interface, it can be using dedicated hard
Part is monitored on-line, small in size, at low cost.
Each embodiment also provides a kind of monitoring device of the breaker of switchgear, including at least one processor and at least
One processor.Wherein, memory is for storing instruction.Processor is used for each embodiment of instruction execution stored according to memory
Switchgear breaker monitoring method.In the embodiment, processor can be by general hardware implementation.These embodiments
Monitoring device executes the instruction in memory using common hardware, thus realize the on-line monitoring of the breaker of switchgear, it should
Device can be realized by various subscriber terminal equipments, not need special processing hardware.The monitoring device of these embodiments uses
Common hardware executes the instruction in memory, thus realize the on-line monitoring of the breaker of switchgear, applied widely, deployment
Simply.
Each embodiment also provides a kind of switchgear, comprising: breaker, at least one motion sensor and monitoring device.
Wherein, at least one motion sensor, on the monitored component of switchgear.Monitored component includes following
At least one of component: the moving contact of the breaker of switchgear, the linkage portion with moving contact with corresponding motion feature
Part.
Monitoring device can be the monitoring device of aforementioned any embodiment.
The switchgear of each embodiment has motion sensor and monitoring device, the online of itself breaker may be implemented
Monitoring, without using additional monitoring device.
The embodiment of the present invention also provides a kind of readable storage medium storing program for executing.Machine readable finger is stored in the readable storage medium storing program for executing
It enables, for machine readable instructions when being executed by a machine, machine executes the breaker of switchgear described in each embodiment
Monitoring method.
Machine readable instructions are stored on the readable medium, which makes to handle when being executed by processor
Device executes any method above-mentioned.Specifically, system or device equipped with readable storage medium storing program for executing can be provided, it is readable at this
Store on storage medium realize above-described embodiment in any embodiment function software program code, and make the system or
The computer or processor of device read and execute the machine readable instructions being stored in the readable storage medium storing program for executing.
In this case, it is real that any one of above-described embodiment can be achieved in the program code itself read from readable medium
The function of example is applied, therefore the readable storage medium storing program for executing of machine readable code and storage machine readable code constitutes of the invention one
Point.
The embodiment of readable storage medium storing program for executing include floppy disk, hard disk, magneto-optic disk, CD (such as CD-ROM, CD-R, CD-RW,
DVD-ROM, DVD-RAM, DVD-RW, DVD+RW), tape, non-volatile memory card and ROM.It selectively, can be by communication network
Network download program code from server computer or on cloud.
It will be appreciated by those skilled in the art that each embodiment disclosed above can be in the situation without departing from invention essence
Under make various changes and modifications.Therefore, protection scope of the present invention should be defined by the appended claims.
It should be noted that step and module not all in above-mentioned each process and each system construction drawing is all necessary
, certain steps or module can be ignored according to the actual needs.Each step execution sequence be not it is fixed, can be according to need
It is adjusted.Apparatus structure described in the various embodiments described above can be physical structure, be also possible to logical construction, that is, have
A little modules may be realized by same physical entity, be realized alternatively, some modules may divide by multiple physical entities, alternatively, can be with
It is realized jointly by certain components in multiple autonomous devices.
In the above various embodiments, hardware module mechanically or can be realized electrically.For example, a hardware mould
Block or processor may include that permanent dedicated circuit or logic (such as special processor, FPGA or ASIC) are corresponding to complete
Operation.Hardware module or processor can also include programmable logic or circuit (such as general processor or other programmable processing
Device), interim setting can be carried out by software to complete corresponding operating.Concrete implementation mode (mechanical system or it is dedicated forever
Long property circuit or the circuit being temporarily arranged) it can be determined based on cost and temporal consideration.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (15)
1. the monitoring method of the breaker of switchgear characterized by comprising
The motion characteristic data that component is monitored in the switchgear being currently running is obtained, the monitored component includes with lower part
At least one of part: the moving contact of the breaker of the switchgear has corresponding motion feature with the moving contact
Linkage part；
The fault condition of the breaker is monitored according to the motion characteristic data.
2. monitoring method according to claim 1, which is characterized in that obtain and be monitored portion in the switchgear being currently running
The motion characteristic data of part includes:
The motion sensor on monitored component by being located at the switchgear, the movement for obtaining the monitored component are special
Levy data.
3. monitoring method according to claim 2, which is characterized in that the motion sensor is acceleration transducer.
4. monitoring method according to claim 1, which is characterized in that monitor the switch according to the motion characteristic data
The fault condition of the breaker of equipment includes:
The motion characteristic data is compared with the preset baseline locomotor characteristic of the breaker of the switchgear；
The fault condition of the breaker is determined according to comparison result.
5. monitoring method according to claim 4, which is characterized in that
The motion characteristic data for obtaining the monitored component of switchgear includes: to obtain the switchgear according to predeterminated frequency
Multiple sampled values of the exercise data of monitored component, according to the multiple sampled value matched curve as the motion feature number
According to；If the fault condition for determining the breaker according to comparison result includes: the motion characteristic data and the baseline locomotor
The similarity of characteristic is less than or equal to preset first threshold, it is determined that the failure that the breaker breaks down or have becomes
Gesture；Or
The motion characteristic data for obtaining the monitored component of switchgear includes: to obtain the switchgear according to predeterminated frequency
Multiple sampled values of the exercise data of monitored component, using the average value of the multiple sampled value as the motion feature number
According to；If the fault condition for determining the breaker according to comparison result includes: the motion characteristic data and the baseline locomotor
The difference of characteristic is greater than or equal to preset second threshold, it is determined that the failure that the breaker breaks down or have becomes
Gesture.
6. monitoring method described in any claim in -5 according to claim 1, which is characterized in that the motion characteristic data
Including at least one of following data: acceleration, displacement, has just closed speed, just-off speed, rigid timesharing quarter, the when of combined floodgate at speed
Between, opening time, closing speed, opening velocity, rotation speed, rotation angle.
7. the monitoring device (51) of the breaker of switchgear characterized by comprising
Data acquisition module (511), for obtaining the motion characteristic data for being monitored component in the switchgear being currently running, institute
Stating monitored component includes at least one of lower component: the moving contact of the breaker of the switchgear and the dynamic touching
Head has the linkage part of corresponding motion feature；
Monitoring modular (512), the fault condition of the breaker for monitoring the switchgear according to the motion characteristic data.
8. monitoring device according to claim 7, which is characterized in that the data acquisition module (511) is specifically used for:
The motion sensor on monitored component by being located at the switchgear, the movement for obtaining the monitored component are special
Levy data.
9. monitoring device according to claim 8, which is characterized in that the motion sensor is acceleration transducer.
10. monitoring device according to claim 7, which is characterized in that the monitoring modular (512) includes:
Data Comparative sub-module (5121), for by the preset of the motion characteristic data and the breaker of the switchgear
Baseline locomotor characteristic is compared；
Fault detection submodule (5122), for determining the fault condition of the breaker according to comparison result.
11. monitoring device according to claim 10, which is characterized in that
The data acquisition module (511) is specifically used for: obtaining the monitored component of the switchgear according to predeterminated frequency
Multiple sampled values, according to the multiple sampled value matched curve as the motion characteristic data；The fault detection submodule
(5122) if being specifically used for the similarity of the motion characteristic data and the baseline locomotor characteristic less than or equal to default
First threshold, it is determined that the breaker breaks down or has fault trend；
Alternatively,
The data acquisition module (511) is specifically used for: obtaining the monitored component of the switchgear according to predeterminated frequency
Multiple sampled values, using the average value of the multiple sampled value as the motion characteristic data；The fault detection submodule
(5122) if being specifically used for the difference of the motion characteristic data and the baseline locomotor characteristic more than or equal to preset
Second threshold, it is determined that the breaker breaks down or have fault trend.
12. the monitoring device of the breaker of switchgear characterized by comprising
At least one communication interface (111) is used for and the motion sensor on the monitored component of the switchgear
It is communicated, the monitored component includes at least one of lower component: the moving contact of the breaker of the switchgear,
There is the linkage part of corresponding motion feature with the moving contact；
At least one processor (112) is used to store the information obtained by the motion sensor；
At least one processor (113), connect, the processor with the communication interface (111) and the memory (112)
For executing the monitoring method of the breaker of switchgear according to claim 1 to 6.
13. the monitoring device of the breaker of switchgear characterized by comprising
At least one processor, for storing instruction；
At least one processor is used for the instruction execution according to claim 1 any one of -6 stored according to the memory
The monitoring method of the breaker of the switchgear.
14. switchgear characterized by comprising
Breaker；
At least one motion sensor, on the monitored component of the switchgear, the monitored component includes following
At least one of component: the moving contact of the breaker, the linkage part with the moving contact with corresponding motion feature；
And
The monitoring device of the breaker of the switchgear according to any one of claim 7-13.
15. readable storage medium storing program for executing, which is characterized in that be stored with machine readable instructions, the machine in the readable storage medium storing program for executing
For readable instruction when being executed by a machine, the machine executes switchgear according to claim 1 to 6
Breaker monitoring method.
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| CN201811453590.8A CN109556845A (en) | 2018-11-30 | 2018-11-30 | Monitoring method, monitoring device and the switchgear of the breaker of switchgear |
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| CN201811453590.8A CN109556845A (en) | 2018-11-30 | 2018-11-30 | Monitoring method, monitoring device and the switchgear of the breaker of switchgear |
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