CN105897067B - A kind of dual redundant failure automatically switches motor control method and system - Google Patents
A kind of dual redundant failure automatically switches motor control method and system Download PDFInfo
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- CN105897067B CN105897067B CN201610487997.7A CN201610487997A CN105897067B CN 105897067 B CN105897067 B CN 105897067B CN 201610487997 A CN201610487997 A CN 201610487997A CN 105897067 B CN105897067 B CN 105897067B
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- oil pump
- switch board
- power supply
- soft start
- motor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
- H02P1/16—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters
- H02P1/54—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting two or more dynamo-electric motors
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a kind of dual redundant failures to automatically switch motor control method and system, and this approach includes the following steps：S1, switch board is connected into external power supply；S2, the first oil pump the first oil pump of soft start controller pair motor carry out soft start, provide power source by the first oil pump for hydraulic system；S3, the second oil pump the motor of the second oil pump of soft start controller pair carry out soft start, the second oil pump is standby；S4, when the first oil pump breaks down, switch board sends out the second power signal to hydraulic valve bank, and the second oil pump is connected by hydraulic valve bank after receiving the second power signal with the hydraulic system of position control combination, and power source is provided for hydraulic system by the second oil pump.Which raises the stability of power system operational and reliabilities by the present invention, ensure that the normal work of carrier rocket Erecting System.
Description
Technical field
The present invention relates to carrier rocket Erecting System technical fields more particularly to a kind of dual redundant failure to automatically switch motor
Control method and system.
Background technology
With the development of space technology, there is a kind of novel transmitting in the appearance of various new model carrier rockets, foreign countries
Mode, i.e. " three flat one is perpendicular " (perpendicular launch scenario is transported and vertically risen to horizontal assembling, horizontal checkout, level) mode.This transmitting
Scheme is mainly characterized by：At " three hang down one far " (vertical assembling, vertical checkout, vertical transhipment and Distance Test launch scenario)
The fixation pylon on launching site is eliminated on launch scenario, and is replaced with movable vertical frame, is played perpendicular device and is both played rocket
Bearing in horizontal transport process, while playing integrally to rise to erect and face for rocket again and penetrating preceding quick rewind, and be before realization is penetrated
Azimuth aiming, air-conditioning, filling and for the demands such as distribution provide ground supports guarantee effect.The radiation pattern can be in facility letter
Single place carries out survey launch mission that is simple, fast and automatically changing.Perpendicular, transmitting quickly can be integrally played, adaptation is provided simultaneously with
Fixed pylon transmitting and the ability and survival ability for relying on minimum facility transmitting.
The characteristics of " three flat one perpendicular " radiation pattern based on carrier rocket under the new situation, is it is found that playing perpendicular device band arrow transhipment
To after launching site, needs to erect by perpendicular device and whole rise of rocket progress, rocket is steadily put on transmitting station, needed for
The dynamical system wanted is quite big, and control process is complicated, and various outer border factors may influence whether the success or failure of task, therefore urgent
Need ensure whole work process in (containing start, work in, terminate shutdown etc.) it is steady, prevent power system operational unstable
The shake of perpendicular device is caused, has injured equipment on arrow, influence sampled data precision of launch vehicle measurement etc..
Invention content
It is the technical issues of in the presence of the present invention mainly solution prior art, good to provide a kind of safe and reliable property
Dual redundant failure automatically switch motor control method and system.
The above-mentioned technical problem of the present invention is mainly to be addressed by following technical proposals：
Dual redundant failure provided by the invention automatically switches motor control method comprising following steps：
S1, switch board is connected into external power supply；
S2, the first oil pump soft start controller soft start is carried out to the motor of first oil pump, sent out after startup
Go out feedback signal to the switch board, the switch board sends out the first power signal, institute to the hydraulic valve bank of position control combination
It states after hydraulic valve bank receives the first power signal and the first oil pump is connected with the hydraulic system of position control combination, by described
First oil pump provides power source for the hydraulic system；
S3, the second oil pump soft start controller soft start is carried out to the motor of second oil pump, sent out after startup
Go out feedback signal to the switch board, second oil pump is standby；
S4, when first oil pump breaks down, the switch board to the hydraulic valve bank send out the second power signal,
Second oil pump is connected by the hydraulic valve bank after receiving second power signal with the hydraulic system of position control combination,
By second oil pump power source is provided for the hydraulic system.
Further, in the step S1, the external power supply of the switch board connection has two groups, and the switch board selects automatically
One of them described external power supply is selected to be powered.
Further, the switch board includes local control mode to the control mode of first oil pump and the second oil pump
And/or remote controlled manner.
The present invention also provides a kind of dual redundant failures to automatically switch electric machine control system comprising：
First oil pump and the second oil pump include the soft start controller and motor being connected with each other；
Position control combination, is used for the dynamic Control of rocket Erecting System, and the position control combination includes being connected with each other
Hydraulic valve bank and hydraulic system；
Switch board is connected with the power supply of the motor of the first oil pump and the second oil pump, hydraulic valve bank, outside respectively, described
The feedback signal that switch board is sent out for receiving the soft start controller of first oil pump and the second oil pump, and for selecting hair
Go out first power signal or the second power signal to hydraulic valve bank, the hydraulic valve bank is according to the first power signal or second
Power signal selection hydraulic system is connected with first oil pump or the second oil pump.
Further, the external power supply of the switch board connection has two groups, between the switch board and the external power supply
It is additionally provided with dual power supply converter, the dual power supply converter is for selecting one of external power supply to power for the switch board.
Further, protection circuit is additionally provided in the switch board, the protection circuit is to first oil pump and second
The motor of oil pump carries out over-current detection and protection.
Further, the external power supply is 380V.
The beneficial effects of the present invention are：By the way that the first oil pump or the second oil pump is arranged, normally provided for hydraulic system
When power source, one group of normal work, one group spare, once the first oil pump or the second oil pump break down, switch board can be right in time
The motor of first oil pump or the second oil pump is automatically switched, and which raises the stability of power system operational and reliabilities, protect
The normal work of carrier rocket Erecting System is demonstrate,proved.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is that the dual redundant failure of the present invention automatically switches the method flow diagram of motor control method；
Fig. 2 is that the dual redundant failure of the present invention automatically switches the frame diagram of electric machine control system.
Specific implementation mode
The preferred embodiment of the present invention is described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
As shown in fig.1, the dual redundant failure of the present invention automatically switches motor control method comprising following steps：
S1, switch board 8 is connected into external power supply 9；Wherein, external power supply 9 is 380V.In step S1, what switch board 8 connected
External power supply 9 has two groups, and switch board 8 automatically selects one of external power supply 9 and is powered.Such as：Wherein external electrical all the way
Source 9 is broken down, and dual power supply converter 10 automatically switches to another way external power supply 9 and is powered, and can ensure outside in this way
The electrical stability of power supply 9 lays the first stone for the job stability of motor.
S2, the first oil pump 1 soft start controller 4 soft start is carried out to the motor 3 of the first oil pump 1, sent out after startup
Go out feedback signal to switch board 8, switch board 8 sends out the first power signal, hydraulic valve to the hydraulic valve bank 6 of position control combination 5
First oil pump 1 is connected by group 6 after receiving the first power signal with the hydraulic system 7 of position control combination 5, by the first oil pump
1 provides power source for hydraulic system 7；
S3, the second oil pump 2 soft start controller 4 soft start is carried out to the motor 3 of the second oil pump 2, sent out after startup
Go out feedback signal to switch board 8, the second oil pump 2 is standby；
S4, when the first oil pump 1 breaks down, switch board 8 to hydraulic valve bank 6 send out the second power signal, hydraulic valve bank 6
The second oil pump 2 is connected with the hydraulic system 7 of position control combination 5 after receiving the second power signal, is by the second oil pump 2
Hydraulic system 7 provides power source.
Specifically, switch board 8 includes local control mode to the control mode of the first oil pump 1 and the second oil pump 2 and/or remote
Process control mode.When switch board 8 to the control mode of the first oil pump 1 and the second oil pump 2 is local control mode when, can will control
" this control/remote control " change-over switch on 8 panel of cabinet rotates to be " this control " state, and then the first oil pump 1 and the second oil pump 2 are arranged
For this control work status pattern；When switch board 8 to the control mode of the first oil pump 1 and the second oil pump 2 is remote controlled manner when,
" this control/remote control " change-over switch on 8 panel of switch board can be rotated to be " remote control " state, then by the first oil pump 1 and second
Oil pump 2 is set as far controlling work status pattern；To realize switch board 8 to the long-range and local of the first oil pump 1 and the second oil pump 2
Control improves the convenience of its control.
As shown in fig.2, the present invention also provides a kind of dual redundant failures to automatically switch electric machine control system comprising：
First oil pump 1 and the second oil pump 2 include the soft start controller 4 being connected with each other and motor 3；
Position control combination 5, is used for the dynamic Control of rocket Erecting System, and position control combination includes the liquid being connected with each other
Pressure valve group 6 and hydraulic system 7；
Switch board 8 is connected with the motor 3 of the first oil pump 1 and the second oil pump 2, hydraulic valve bank 6, external power supply 9 respectively
It connects, wherein external power supply 380V, switch board 8 is used to receive the first oil pump 1 and the soft start controller 3 of the second oil pump 2 is sent out
Feedback signal, and for select send out the first power signal or the second power signal to hydraulic valve bank 6,6 basis of hydraulic valve bank
First power signal or the second power signal selection hydraulic system 7 are connected with the first oil pump 1 or the second oil pump 2.
Specifically, it in order to ensure the electrical stability of external power supply 9, lays the first stone for the job stability of motor 3.Control
The external power supply 9 that cabinet 8 connects has two groups, and dual power supply converter 10 is additionally provided between switch board 8 and external power supply 9, and dual power supply turns
Parallel operation 10 for selecting one of external power supply 9, power in order to control by cabinet 8.
Specifically, protection circuit 11, electricity of the protection circuit 11 to the first oil pump 1 and the second oil pump 2 are additionally provided in switch board 8
Machine 3 carries out over-current detection and protection.Wherein, over-current detection includes the detection of the abnormal conditions such as overload, stall, short circuit.
The present invention is by being arranged the first oil pump 1 or the second oil pump 2, when normally providing power source for hydraulic system 7, one group
Normal work, one group is spare, once the first oil pump 1 or the second oil pump 2 break down, switch board 8 can in time to the first oil pump 1 or
The motor 3 of second oil pump 2 is automatically switched, and which raises the stability of power system operational and reliabilities, ensure that delivery
The normal work of rocket Erecting System.
More than, specific implementation mode only of the invention, but scope of protection of the present invention is not limited thereto, it is any without
The change or replacement that creative work is expected are crossed, should be covered by the protection scope of the present invention.Therefore, protection of the invention
Range should be determined by the scope of protection defined in the claims.
Claims (6)
1. a kind of dual redundant failure automatically switches motor control method, which is characterized in that include the following steps：
S1, switch board is connected into external power supply；
S2, the first oil pump soft start controller soft start is carried out to the motor of first oil pump, sent out after startup anti-
Feedback signal to the switch board, the switch board sends out the first power signal, the liquid to the hydraulic valve bank of position control combination
First oil pump is connected by pressure valve group after receiving the first power signal with the hydraulic system of position control combination, by described first
Oil pump provides power source for the hydraulic system；
S3, the second oil pump soft start controller soft start is carried out to the motor of second oil pump, sent out after startup anti-
For feedback signal to the switch board, second oil pump is standby；
S4, when first oil pump breaks down, the switch board to the hydraulic valve bank send out the second power signal, it is described
Second oil pump is connected by hydraulic valve bank after receiving second power signal with the hydraulic system of position control combination, by institute
It states the second oil pump and provides power source for the hydraulic system；
The dual redundant failure that the control method uses automatically switches electric machine control system, including：
First oil pump and the second oil pump include the soft start controller and motor being connected with each other；
Position control combination, is used for the dynamic Control of rocket Erecting System, and the position control combination includes the liquid being connected with each other
Pressure valve group and hydraulic system；
Switch board is connected with the power supply of the motor of the first oil pump and the second oil pump, hydraulic valve bank, outside respectively, the control
The feedback signal that cabinet is sent out for receiving the soft start controller of first oil pump and the second oil pump, and for selecting to send out institute
The first power signal or the second power signal are stated to hydraulic valve bank, the hydraulic valve bank is according to the first power signal or the second power
Signal behavior hydraulic system is connected with first oil pump or the second oil pump.
2. dual redundant failure as described in claim 1 automatically switches motor control method, which is characterized in that the step S1
In, the external power supply of the switch board connection has two groups, and the switch board automatically selects one of them described external power supply and carries out
Power supply.
3. dual redundant failure as claimed in claim 1 or 2 automatically switches motor control method, which is characterized in that the control
Cabinet includes local control mode and/or remote controlled manner to the control mode of first oil pump and the second oil pump.
4. dual redundant failure as described in claim 1 automatically switches motor control method, which is characterized in that the switch board connects
The external power supply connect has two groups, and dual power supply converter, dual power supply conversion are additionally provided between the switch board and the external power supply
Device is for selecting one of external power supply to power for the switch board.
5. dual redundant failure as described in claim 1 automatically switches motor control method, which is characterized in that in the switch board
It is additionally provided with protection circuit, the protection circuit carries out over-current detection and protection to the motor of first oil pump and the second oil pump.
6. dual redundant failure as described in claim 1 automatically switches motor control method, which is characterized in that the external power supply
For 380V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610487997.7A CN105897067B (en) | 2016-06-29 | 2016-06-29 | A kind of dual redundant failure automatically switches motor control method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610487997.7A CN105897067B (en) | 2016-06-29 | 2016-06-29 | A kind of dual redundant failure automatically switches motor control method and system |
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| Publication Number | Publication Date |
|---|---|
| CN105897067A CN105897067A (en) | 2016-08-24 |
| CN105897067B true CN105897067B (en) | 2018-08-24 |
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| CN201610487997.7A Active CN105897067B (en) | 2016-06-29 | 2016-06-29 | A kind of dual redundant failure automatically switches motor control method and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111459013A (en) * | 2020-04-10 | 2020-07-28 | 中国南方电网有限责任公司超高压输电公司广州局 | Switching system of submarine cable oil pump station equipment signal |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201340538Y (en) * | 2008-12-18 | 2009-11-04 | 于国安 | PLC monitoring cabinet of hydraulic hoist |
| CN203399029U (en) * | 2013-07-25 | 2014-01-15 | 日新恒通电气有限公司 | Dual-motor switching starting control device |
| CN204465392U (en) * | 2015-02-11 | 2015-07-08 | 陕西科技大学 | A kind of two drag many redundance types flexible starter for electric motor system |
| CN205945210U (en) * | 2016-06-29 | 2017-02-08 | 贵州航天天马机电科技有限公司 | Motor control system |
-
2016
- 2016-06-29 CN CN201610487997.7A patent/CN105897067B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201340538Y (en) * | 2008-12-18 | 2009-11-04 | 于国安 | PLC monitoring cabinet of hydraulic hoist |
| CN203399029U (en) * | 2013-07-25 | 2014-01-15 | 日新恒通电气有限公司 | Dual-motor switching starting control device |
| CN204465392U (en) * | 2015-02-11 | 2015-07-08 | 陕西科技大学 | A kind of two drag many redundance types flexible starter for electric motor system |
| CN205945210U (en) * | 2016-06-29 | 2017-02-08 | 贵州航天天马机电科技有限公司 | Motor control system |
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| CN105897067A (en) | 2016-08-24 |
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