CN105406593B - A kind of switchgear motor driver intelligent controlling device and method - Google Patents
A kind of switchgear motor driver intelligent controlling device and method Download PDFInfo
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- CN105406593B CN105406593B CN201510819685.7A CN201510819685A CN105406593B CN 105406593 B CN105406593 B CN 105406593B CN 201510819685 A CN201510819685 A CN 201510819685A CN 105406593 B CN105406593 B CN 105406593B
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Abstract
The present invention relates to a kind of switchgear motor driver intelligent controlling device and methods; the device includes central processing unit, motor control unit and digital output modul unit; motor control unit includes motor control module and protection module; motor control module and protection module are connect with central processing unit respectively; digital output modul unit includes switching input module, and switching input module is connect after photoelectric coupling with central processing unit.This method is that motor control unit controls motor driver progress corresponding operating according to control instruction, and monitoring operation current maxima and operating time in real time, when operation electric current maximum value is more than default locked rotor current or operating time more than the predetermined registration operation time, locking motor is simultaneously alarmed, if motor operation is normal, operation electric current maximum value, time and voltage are recorded, by logical operation, locked rotor current is preset in adaptive adjustment and the predetermined registration operation time carries out.The high concentration of the control device and method of the present invention, intelligence degree are high.
Description
Technical field
The invention belongs to automatic control technology of power system fields, and in particular to a kind of switchgear motor driver intelligently control
Device and method processed, the multi-station electric driver especially suitable for medium voltage switchgear equipment.
Background technology
With the fast development of State Grid Corporation of China's new round upgrading of rural power grids and high ferro industry, strong has pushed distribution to open
The development of pass.Cableization power supply has become town and country power distribution network principal mode, in order to improve power supply reliability and economy, will power
The ring network power supply that net connection circularizes becomes the preferred manner of cable distribution.Switchgear is set as the master that draping is powered
It is standby, because its compact, performance is stable, non-maintaining the features such as, and it is widely used by urban distribution network and high ferro distribution, by user
Pay much attention to.Therefore, the control device mating with switchgear is also taken seriously gradually.
Existing switchgear is not high for being isolated and being grounded driver attention rate so that its control loop function is more single
One, only control the motor start and stop inside motor driver, complete conjunction/sub-switching operation of switch, inside switch cabinet it is a lot of electrical
The operation conditions monitoring of component is controlled less than the control in same station between different cabinets is also relatively independent, and monitoring is not
To information each other, it is unfavorable for five anti-interlock requirements, not smart enoughization, and it is complicated, cumbersome, reliability is low, unfavorable
In intelligent network distribution upgrading, it is unfavorable for promoting and applying.
Invention content
The present invention provides a kind of switchgear motor driver intelligent controlling device and methods, it is intended to solve in the prior art
The problem of switchgear control device has a single function, not smart enoughization.
In order to solve the above technical problems, the switchgear motor driver intelligent controlling device of the present invention includes central processing list
Member, motor control unit and digital output modul unit, the motor control unit include motor control module and protection module, electricity
Machine control module and protection module are connect with central processing unit respectively, and the digital output modul unit includes On-off signal mould
Block, the switching input module are connect after photoelectrical coupler with central processing unit.
The digital output modul unit further includes alarm output module, and the alarm output module is connected through photoelectrical coupler
Circuit is indicated to alarm.
The device further includes communication unit, by the communication unit realize to the remote regulating of power distribution unit, remote control, telemetering and
Remote signalling, and realize the communication between host computer.
The device further includes power supply unit, and the power supply unit includes rectification module and detection module, for being filled to be entire
Electric current, voltage in setting power supply and working device are detected.
The present invention switchgear motor driver intelligent control method include：Motor control module is controlled according to control instruction
Motor driver carries out corresponding operating, while the real-time monitoring operation electric current of protection module and operating time and feeding back to central processing
Unit, after operation electric current maximum value is more than default locked rotor current or the operating time is more than the predetermined registration operation time, locking motor is simultaneously
It alarms, if motor operation is normal, record practical operation current maxima, time and voltage, by logical operation, to default
Locked rotor current and predetermined registration operation time are adaptively adjusted.
The process adaptively adjusted is：Every group of operation electric current maximum value, time and the voltage of storage are correspondingly arranged on
With reference to weight, every group of operation electric current maximum value is multiplied by the average value sought after respective weight is added as adaptive adjustment stall
Every group of operating time is multiplied by the average value sought after respective weight is added as the adaptive adjustment operating time by current value.
When controlling motor driver progress corresponding operating, it will adaptively adjust locked rotor current value and be carried out with default locked rotor current
Compare, and the adaptive adjustment operating time is compared with the predetermined registration operation time, if adaptively adjustment locked rotor current or adaptive
The operating time should be adjusted more than after respective allowable range, alert and blocking device.
In motor driver actual mechanical process, when operating voltage suddenly change, according to the default behaviour of setting rules modification
Make time or/and default locked rotor current.
Setting rule is voltage fluctuation when being more than 10V, often increases the 5V voltage time-out predetermined registration operation times and shortens 350ms, electric
Pressure often reduces the 5V predetermined registration operation times and increases 500ms, after voltage stabilization, according to actual operating time as the predetermined registration operation time.
Setting rule presets locked rotor current and increases 0.001A, in advance for when voltage fluctuation is more than 10V, voltage often increases 5V
If the operating time shortens 0.01S；Voltage often reduces 5V, presets locked rotor current and reduces 0.001A, the predetermined registration operation time increases
0.01S is default locked rotor current according to 1.05 times of practical operation current maxima, practical operation electric current is most after voltage stabilization
The big value duration is the predetermined registration operation time.
Beneficial effects of the present invention：The control device and method of the present invention by electrically operated control, instruction and monitors
It is digitized with blocked line integrated, solves having a single function for control loop, complicated, the problems such as reliability is low, the hair
Bright function high concentration, keep apart in addition to control driver completion close/separating brake and earthing switch conjunction/sub-switching operation other than, also have
For monitoring disconnecting switch, the function of the operation of earthing switch, motor driver and other electrical control components, there is stall mistake
Stream/time-out protection function；When abnormality occurs, it can be latched and be alerted；With four distant communication functions；Intelligence degree
It is high.
Intelligence vdiverse in function, the multiple functions such as collection manipulation, instruction, protection, monitoring, communication, logout are integrated in one
Body makes full use of electronic technology reliable and stable and high integration advantage, has carried out miniaturization modularized design, simple in structure, just
Upgrade in repair, solves the problems such as wiring is cumbersome, the time is long, error rate is high, maintenance is difficult；Device design is simple, function is reliable,
It is easy to maintain, integrated artistic aesthetics is strong, environmental suitability is strong.
Description of the drawings
Fig. 1 is the multistation intelligent driver control device structure diagram based on panel switches；
Fig. 2 is shutting-brake control logic timing figure；
Fig. 3 is the multistation intelligent driver control device closing operation flow chart based on panel switches；
Fig. 4 is adaptive adjusted value figure compared with setting value.
Specific implementation mode
Below in conjunction with the accompanying drawings, technical scheme of the present invention is further described in detail.
Switchgear motor driver intelligent controlling device embodiment.
As shown in Figure 1, the control device of the present embodiment includes central processing unit, motor control unit and digital output modul
Unit, the motor control unit include motor control module and protection module, motor control module and protection module respectively at
Central processing unit connects, and the digital output modul unit includes switching input module, and the switching input module is through light
It is connect with central processing unit after being electrically coupled.
Central processing unit includes MCU, memory, reset chip and driving component etc., and main completion is to peripheral circuit
Acquisition, analysis, processing and the control of module.
The motor control unit includes the control module and protection module two parts of motor, two parts respectively with center
Processing unit is connected, and the working condition of protection module monitoring and controlling module simultaneously feeds back information to central processing unit.
Entire control device is powered by power supply unit, and the power supply unit includes rectification module and detection module two
Part, rectification module after power supply voltage stabilizing rectification, will become the power supply of two kinds of voltage, and one kind is that central processing unit is powered, a kind of
It powers for driver motor and Drive Status indicator light.And detection module is then in device whole work process to electric current, electricity
Pressure is detected.
The digital output modul unit is made of two parts, respectively switching input module and alarm output module,
The switching input module accesses central processing unit through photoelectric coupling；The alarm output module is by GPIO mouthfuls through light
Electric coupler is connected to relay output.
The communication loop, can by its to power distribution unit carry out remote regulating, remote control, telemetering, remote signalling, can also with it is upper
Machine, which is connected, adjusts and carries out power distribution unit debugging in factory to device.
Switchgear motor driver intelligent control method embodiment.
The present embodiment switchgear motor driver intelligent control method is described further in conjunction with attached drawing 2 and Fig. 3 as follows：
The control method of the present embodiment is：It is isolated and is grounded driver by digital output modul circuit pair and panel switches
Relevant switching value information is acquired and monitors, and is handled and be sent to central processing unit by the information acquired,
After central processing unit carries out logic judgment to collected information, motor control and protective loop or digital output modul are fed back to
Circuit carries out corresponding operating, and detects working condition in operation.Central processing unit can join driver correlation simultaneously
Number establishes expert database to realize adaptive and self-test.
Central processing unit is the core and brain of entire control device, it is switched by collecting in digital output modul circuit
The information of input module acquisition and/or the information of communication loop are measured, and logical operation is carried out to the instruction of application, it is such as eligible
Motor control loop is then sent information to be operated accordingly, at the same time motor control loop is also detected in real time, and
Information is fed back into central processing unit, if running the information that correct central processing unit receives switching input module acquisition
After send out suspended market order to motor control loop, complete operation；If motor control loop back-to-back running status error, centre
Reason unit sends out suspended market order to motor control loop and stops motor operation immediately, and sends information to digital output modul circuit
Alarm output module is alerted.Central processing unit can be to foundation such as the operation run time of driver, running currents simultaneously
Database by adaptive under logical operation realization normal range (NR), and carries out prompt announcement extremely to prolonged operating parameter
It is alert.
By taking control device control multiplexing bit driver isolation is closed a floodgate as an example, as shown in Figures 2 and 3, control device receives
After switching signal, interlocking inspection, control device status checkout and driver are carried out first and motor status judges, in all letters
After breath is all eligible, closing operation is carried out, until receiving in-place closing signal, stops motor operating；In the process, if hair
Existing stall phenomenon and time-out then stop motor action and are alerted immediately.
Control device execute corresponding operating instruction when, protection module can real-time monitoring operation electric current and operation when
Between, when operation electric current is more than the locked rotor current of setting or the operating time is more than time-out time, locking motor is accordingly alerted.
And in control device normal operating, central processing module can record corresponding operation electric current maximum value and operating time value, and
Logical calculated is carried out according to the multi-group data value recorded, then the locked rotor current value and timeout value that have been arranged are carried out certainly
Adapt to adjustment so that the setting of locked rotor current value and timeout value can meet the actual performance of switchgear driver, and energy
Adjustment is carried out according to the actual performance situation of driver in entire life cycle, and in the performance of switchgear driver
When there is larger difference, central processing module can be alerted timely, and switchgear and its driving device is avoided to damage
Or it causes the accident.
Specific adaptive adjustment process is as follows：By taking control device control multiplexing bit driver isolation is closed a floodgate as an example, opening
Close in the normal switching on and off operating process of cabinet, control device can pairing, separating brake when the electric current that measures, voltage value and splitting or integrating lock
Operating time is monitored record, and stores data in buffer area, and log buffer is ten groups, and every group of data are used as
The reference weight for calculating definite value, is generally with reference to the setting rule of weight：Data are newer, and corresponding weight is bigger.Every group of number
According to reference weight it is as shown in table 1：
Table 1 refers to weight
| Serial number | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| With reference to weight | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 3 | 3 | 4 |
The parameter of every group of data record is：
typedef struct_tagFeatureValue{
u16 CHCurrent；Combined floodgate maximum current value characteristic quantity
u16 CVoltage；Combined floodgate operating voltage value characteristic quantity
u16 CTime；Closing time characteristic quantity
u16 OHCurrent；Separating brake maximum current value characteristic quantity
u16 OVoltage；Separating brake operating voltage value characteristic quantity
u16 OTime；Opening time characteristic quantity
}FEATEV,*p FEATEV；
CHCurrent values are to escape the electric current maximum sampled point after excitation when closing a floodgate
Voltage value when CVoltage values are the combined floodgate.
CTime values are the closing time
OHCurrent values escape the electric current maximum sampled point after excitation when being separating brake
Voltage value when OVoltage values are the separating brake.
OTime values are the opening time
Buffer area only records 10 groups of data, and the data of serial number 10 are latest data, and 10 groups of data values are multiplied by respective weight
(each weight is equal to 1 after being added, the weighted value in upper table will also be for further processing, and be only true weighted value) is certainly after being added
Adapt to adjusted value.When control device is according to corresponding adaptive adjusted value setting new default locked rotor current value and predetermined registration operation
Between so that the actual performance of switchgear driver can be met by presetting locked rotor current value and the setting of predetermined registration operation time.
10 groups of data are stored in preferred buffering area in the present embodiment, as other embodiment, can be set according to actual needs
Set 11,12 groups of data etc..
As other embodiment, when adaptively being adjusted to default locked rotor current value and predetermined registration operation time,
As new default locked rotor current value after the operation electric current maximum value of storage being averaging, the operating time of storage is averaging
Afterwards as the new operating time.
In switchgear driver actual mechanical process, the predetermined registration operation time is changed when voltage suddenly change, changes logic
When being more than 10V for voltage fluctuation, often increase the 5V voltage predetermined registration operation times shorten 350ms, voltage often reduces the super predetermined registration operations of 5V
Time increases 500ms.Judgment basis is done according to actual operating time after voltage stabilization.
It when voltage suddenly change, changes and presets locked rotor current value, modification is the stall when voltage fluctuation is more than 10V
Definite value and time limit make an amendment, and often increase 5V, preset locked rotor current and increase 0.001A, the time shortens 0.01S；It is default stifled often to reduce 5V
Turn electric current and reduce 0.001A, the predetermined registration operation time increases 0.01S.Default locked rotor current variation range is generally [0.6,0.9], single
Position A；Predetermined registration operation time change range is generally [0.2,0.08], unit S.After voltage stabilization, according to the maximum electricity of practical operation
1.05 times of stream are definite value, and the maximum current duration is the predetermined registration operation time.
Control device will be to the average operating time empirical value of the same write-in of each calculated adaptive adjusted value and averagely
Operation electric current empirical value is compared, and after any one value is more than tolerance, alert simultaneously blocking device, as shown in Figure 4.
The control device can realize wireless telecommunications by communication module and mobile phone.Mobile phone installation and debugging software, works as center
It, can be soft debugging by communication module and mobile communication when processing module monitors that the state of switching value does not meet control logic
The alert bar prompt alarm of part, and wrong switching value is specifically indicated in on-off state display field, enable debugging and service personnel
It is enough quickly and easily to pinpoint the problems；Simultaneously by mobile phone can also function driver and when can check its operation the voltage of motor and
Electric current.
Claims (9)
1. a kind of switchgear motor driver intelligent control method, which is characterized in that this method includes：Motor control module according to
Control instruction controls motor driver and carries out corresponding operating, while the real-time monitoring operation electric current of protection module and operating time and anti-
It feeds central processing unit, when operation electric current maximum value is more than default locked rotor current or the operating time is more than the predetermined registration operation time
Afterwards, it is latched motor and alarms, if motor operation is normal, record practical operation current maxima, time and voltage, by patrolling
Operation is collected, default locked rotor current and predetermined registration operation time are adaptively adjusted；
The process adaptively adjusted is：Every group of operation electric current maximum value, time and the voltage of storage are correspondingly arranged on reference
Every group of operation electric current maximum value is multiplied by the average value sought after respective weight is added as adaptive adjustment locked rotor current by weight
Every group of operating time is multiplied by the average value sought after respective weight is added as the adaptive adjustment operating time by value.
2. switchgear motor driver intelligent control method according to claim 1, which is characterized in that control motor driver
When carrying out corresponding operating, adaptive adjustment locked rotor current value is compared with default locked rotor current, and will adaptively adjust behaviour
Make the time is compared with the predetermined registration operation time, if adaptively adjustment locked rotor current or adaptive adjustment operating time are more than respective
Allowable range after, alert and blocking device.
3. switchgear motor driver intelligent control method according to claim 1, which is characterized in that in motor driver reality
In the operating process of border, when operating voltage suddenly change, according to setting rules modification predetermined registration operation time or/and default stall electricity
Stream.
4. switchgear motor driver intelligent control method according to claim 3, which is characterized in that setting rule is voltage
Fluctuation more than 10V when, often raising the 5V voltage time-out predetermined registration operation times shorten 350ms, voltage often reduces the 5V predetermined registration operation times
Increase 500ms, after voltage stabilization, according to actual operating time as the predetermined registration operation time.
5. switchgear motor driver intelligent control method according to claim 3, which is characterized in that setting rule is when electricity
When pressure fluctuation is more than 10V, voltage often increases 5V, presets locked rotor current and increases 0.001A, the predetermined registration operation time shortens 0.01S；Electricity
Pressure often reduces 5V, default locked rotor current reduction 0.001A, predetermined registration operation time increase 0.01S, after voltage stabilization, according to practical behaviour
Make 1.05 times of current maxima as default locked rotor current, the practical operation current maxima duration is the predetermined registration operation time.
6. a kind of electronic drive of switchgear for being exclusively used in implementing switchgear motor driver intelligent control method as described in claim 1
Dynamic device intelligent controlling device, which is characterized in that the device includes central processing unit, motor control unit and digital output modul list
Member, the motor control unit include motor control module and protection module, and motor control module and protection module are respectively in
Central Processing Unit connects, and the digital output modul unit includes switching input module, and the switching input module is through photoelectricity
It is connect with central processing unit after coupler.
7. switchgear motor driver intelligent controlling device according to claim 6, which is characterized in that the digital output modul
Unit further includes alarm output module, and the alarm output module is connected to alarm instruction circuit through photoelectrical coupler.
8. switchgear motor driver intelligent controlling device according to claim 6, which is characterized in that the device further includes leading to
Believe unit, realized to the remote regulating of power distribution unit, remote control, telemetering and remote signalling by the communication unit, and realize with host computer it
Between communication.
9. switchgear motor driver intelligent controlling device according to claim 6, which is characterized in that the device further includes electricity
Source unit, the power supply unit includes rectification module and detection module, used in powering for whole device and working device
Electric current, voltage are detected.
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106025881A (en) * | 2016-05-11 | 2016-10-12 | 西安工程大学 | Electrical control apparatus and method for high-voltage switch cabinet |
| CN106712617B (en) * | 2017-01-22 | 2019-04-26 | 国网福建省电力有限公司 | A kind of switchgear electric operating tool intelligent control method |
| CN107863756B (en) * | 2017-09-29 | 2019-06-21 | 西安工程大学 | The rotation-clogging protection method of high-tension switch cabinet electric chassis car direct current generator |
| CN107887881A (en) * | 2017-10-09 | 2018-04-06 | 中山市明阳电器有限公司 | A kind of logic control method of electronic earthing knife-switch |
| CN113300261B (en) * | 2021-06-04 | 2022-08-09 | 杭州电力设备制造有限公司 | Switch cabinet electric operation fault judgment system and control method thereof |
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| CN202679075U (en) * | 2012-06-27 | 2013-01-16 | 西安工程大学 | Intelligent electric control device for switch cabinet |
| CN203301042U (en) * | 2013-05-24 | 2013-11-20 | 国家电网公司 | Intelligent operation device for switch cabinets |
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| CN205265353U (en) * | 2015-11-23 | 2016-05-25 | 许继集团有限公司 | Cubical switchboard motor drive ware intelligent control device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101752906B (en) * | 2009-12-17 | 2012-02-01 | 宁波兴邦电器有限公司 | High-voltage switch intelligent control system and control method thereof |
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| CN202679075U (en) * | 2012-06-27 | 2013-01-16 | 西安工程大学 | Intelligent electric control device for switch cabinet |
| CN203301042U (en) * | 2013-05-24 | 2013-11-20 | 国家电网公司 | Intelligent operation device for switch cabinets |
| CN104659759A (en) * | 2015-02-01 | 2015-05-27 | 登高电气有限公司 | Intelligent operating mechanism of high-voltage isolation switch |
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Effective date of registration: 20161019 Address after: No. 1298 Xuchang City, Henan province 461000 XJ Avenue Applicant after: Xuji Group Co., Ltd. Applicant after: Xuchang Xuji Driescher Wegberg Electric Co., Ltd. Applicant after: State Grid Corporation of China Applicant after: STATE GRID HUBEI ELECTRIC POWER COMPANY Address before: No. 1298 Xuchang City, Henan province 461000 XJ Avenue Applicant before: Xuji Group Co., Ltd. Applicant before: Xuchang Xuji Driescher Wegberg Electric Co., Ltd. Applicant before: State Grid Corporation of China |
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