CN105897067A - Dual redundant fault auto-switch motor control method and system - Google Patents
Dual redundant fault auto-switch motor control method and system Download PDFInfo
- Publication number
- CN105897067A CN105897067A CN201610487997.7A CN201610487997A CN105897067A CN 105897067 A CN105897067 A CN 105897067A CN 201610487997 A CN201610487997 A CN 201610487997A CN 105897067 A CN105897067 A CN 105897067A
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- Prior art keywords
- oil pump
- switch board
- power source
- soft start
- hydraulic valve
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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 present invention discloses a dual redundant fault auto-switch motor control method and system. The method includes a first step that a control cabinet is connected to an external power; a second step that a soft start controller of a first oil pump performs soft start on a motor of the first oil pump, and the first oil pump provides a power source for a hydraulic system; a third step that a soft start controller of a second oil pump performs soft start on a motor of the second oil pump, and the second oil pump is in a standby state; and a fourth step that when the first oil pump fails, the control cabinet delivers a second dynamic signal to a hydraulic valve group, the hydraulic valve group receives the second dynamic signal and then communicates the second oil pump to the hydraulic system of a position control combination, and the second oil pump provides a power source for the hydraulic system. According to the dual redundant fault auto-switch motor control method and system, working stability and reliability of a power system are improved, an erecting system of a launch vehicle is ensured to work normally.
Description
Technical field
The present invention relates to carrier rocket Erecting System technical field, particularly relate to a kind of dual redundant fault and automatically cut
Change motor control method and system.
Background technology
Along with the development of space technology, the appearance of various new model carrier rockets, abroad occur in that a kind of novel
Radiation pattern, i.e. " three flat one erect " (level assemblings, horizontal checkout, level transhipment and vertical play perpendicular transmitting
Scheme) mode.Being mainly characterized by of this launch scenario: " three hang down one remote " (vertical assembling, vertical checkout,
Vertical transhipment and Distance Test launch scenario) eliminate the fixing pylon on launching site on launch scenario,
And replace by movable vertical frame, play perpendicular device and both play rocket supporting in horizontal transport process, simultaneously
Play again for rocket entirety rise perpendicular and face penetrate before quick rewind, and for realization penetrate front azimuth aiming, air-conditioning,
Fill and provide ground supports guarantee effect for demands such as distributions.This radiation pattern can in the simple place of facility,
Carry out the survey launch mission changed simply, fast and automatically.Quickly overall can play perpendicular, transmitting, be provided simultaneously with
Adapt to fixing pylon and launch and rely on ability and the survival ability that minimum facility is launched.
The feature of based on carrier rocket under the new situation " three flat one erect " radiation pattern understands, and is playing perpendicular device band arrow
After being transported to launching site, need to carry out entirety by a perpendicular device and rocket and rise perpendicular, rocket is steadily put into
On transmitting station, its required dynamical system is quite big, and it is complicated that it controls process, and various outer borders factor may
Influence whether the success or failure of task, therefore in the urgent need to ensureing in whole work process (containing starting, in work,
Terminate shutdown etc.) steady, prevent power system operational instability from having caused the shake of perpendicular device, injury arrow
Upper equipment, affects the sampled data precision etc. of launch vehicle measurement.
Summary of the invention
The present invention mainly solves the technical problem in the presence of prior art, thus provide a kind of safety, can
The dual redundant fault automatic switchover motor control method good by property and system.
The above-mentioned technical problem of the present invention is mainly addressed by following technical proposals:
The dual redundant fault automatic switchover motor control method that the present invention provides, it comprises the following steps:
S1, switch board is connected external power source；
S2, the soft start controller of the first oil pump carry out soft start to the motor of described first oil pump, have started
Sending feedback signal extremely described switch board after Biing, described switch board is sent to the hydraulic valve bank of position control combination
First power signal, described hydraulic valve bank receives the first oil pump and position control group after the first power signal
The hydraulic system closed is connected, described first oil pump provide power source for described hydraulic system；
S3, the soft start controller of the second oil pump carry out soft start to the motor of described second oil pump, have started
Sending feedback signal extremely described switch board after Biing, described second oil pump is standby；
S4, when described first oil pump breaks down, described switch board to described hydraulic valve bank send second move
Force signal, described hydraulic valve bank receives the second oil pump and position control combination after described second power signal
Hydraulic system be connected, by described second oil pump be described hydraulic system provide power source.
Further, in described step S1, the external power source that described switch board connects has two groups, described control
Cabinet automatically selects one of them described external power source and is powered.
Further, described switch board includes local control to the control mode of described first oil pump and the second oil pump
Mode processed and/or remote controlled manner.
Present invention also offers a kind of dual redundant fault automatic switchover electric machine control system, comprising:
First oil pump and the second oil pump, all include interconnective soft start controller and motor；
Position control combination, for the dynamic Control of rocket Erecting System, the control combination of described position includes phase
The hydraulic valve bank connected and hydraulic system；
Switch board, is connected with the first oil pump and the motor of the second oil pump, hydraulic valve bank, outside power supply respectively
Connecing, described switch board is for receiving the feedback that the soft start controller of described first oil pump and the second oil pump sends
Signal, and send described first power signal or the second power signal to hydraulic valve bank for selection, described liquid
Pressure valve group selects hydraulic system and described first oil pump or second according to the first power signal or the second power signal
Oil pump is connected.
Further, the external power source that described switch board connects has two groups, described switch board and described external electrical
Being additionally provided with dual power supply transducer between source, described dual power supply transducer is used for selecting one of them external power source be
Described switch board is powered.
Further, being additionally provided with protection circuit in described switch board, described protection circuit is to described first oil pump
Over-current detection and protection is carried out with the motor of the second oil pump.
Further, described external power supply is 380V.
The beneficial effects of the present invention is: by arranging the first oil pump or the second oil pump, be normally hydraulic pressure system
When system provides power source, one group normally works, and one group standby, and once the first oil pump or the second oil pump occur event
Barrier, the motor of the first oil pump or the second oil pump can be automatically switched, which raises power by switch board in time
The stability of system work and reliability, it is ensured that the normal work of carrier rocket Erecting System.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to enforcement
In example or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below
In accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not paying
On the premise of going out creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the method flow diagram of the dual redundant fault automatic switchover motor control method of the present invention；
Fig. 2 is the frame diagram of the dual redundant fault automatic switchover electric machine control system of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings the preferred embodiments of the present invention are described in detail so that advantages of the present invention and
Feature can be easier to be readily appreciated by one skilled in the art, thus makes protection scope of the present invention apparent
Clear and definite defines.
Refering to shown in Fig. 1, the dual redundant fault automatic switchover motor control method of the present invention, it includes following
Step:
S1, switch board 8 is connected external power source 9；Wherein, external power supply 9 is 380V.In step S1,
The external power source 9 that switch board 8 connects has two groups, and switch board 8 automatically selects one of them external power source 9 and enters
Row power supply.Such as: wherein a road external power source 9 breaks down, and dual power supply transducer 10 automatically switches to separately
No. one external power source 9 is powered, and so can ensure that external power source 9 supplies electrical stability, for motor
Job stability lays the first stone.
S2, the soft start controller 4 of the first oil pump 1 carry out soft start to the motor 3 of the first oil pump 1, open
Sending feedback signal after Dong to switch board 8, switch board 8 is to the hydraulic valve bank 6 of position control combination 5
Sending the first power signal, the first oil pump 1 is controlled after receiving the first power signal by hydraulic valve bank 6 with position
The hydraulic system 7 of system combination 5 is connected, the first oil pump 1 provide power source for hydraulic system 7；
S3, the soft start controller 4 of the second oil pump 2 carry out soft start to the motor 3 of the second oil pump 2, open
Sending feedback signal after Dong to switch board 8, the second oil pump 2 is standby；
S4, when the first oil pump 1 breaks down, switch board 8 sends the second power signal to hydraulic valve bank 6,
Hydraulic valve bank 6 receives the hydraulic system after the second power signal by the second oil pump 2 with position control combination 5
7 are connected, the second oil pump 2 provide power source for hydraulic system 7.
Specifically, switch board 8 includes local controlling party to the control mode of the first oil pump 1 and the second oil pump 2
Formula and/or remote controlled manner.When switch board 8 is this to the control mode of the first oil pump 1 and the second oil pump 2
During ground control mode, " this control/far control " permutator on switch board 8 panel can be rotated to be " this control " state,
Then the first oil pump 1 and the second oil pump 2 are set to this control operation pattern；When switch board 8 is to first
When the control mode of oil pump 1 and the second oil pump 2 is remote controlled manner, can be by " this on switch board 8 panel
Control/far control " permutator rotates to be " far control " state, then the first oil pump 1 and the second oil pump 2 is set to far
Control operation pattern；Thus realize long-range and local to the first oil pump 1 and the second oil pump 2 of switch board 8
Control, improve its convenience controlled.
Refering to shown in Fig. 2, present invention also offers a kind of dual redundant fault automatic switchover electric machine control system,
Comprising:
First oil pump 1 and the second oil pump 2, all includes interconnective soft start controller 4 and motor 3；
Position control combination 5, for the dynamic Control of rocket Erecting System, position control combination includes interconnecting mutually
The hydraulic valve bank 6 connect and hydraulic system 7；
Switch board 8, respectively with the first oil pump 1 and the motor 3 of the second oil pump 2, hydraulic valve bank 6, outside
Power supply 9 is connected, and wherein, external power supply is 380V, and switch board 8 is for receiving the first oil pump 1 and second
The feedback signal that the soft start controller 3 of oil pump 2 sends, and send the first power signal or for selection
Two power signals select liquid to hydraulic valve bank 6, hydraulic valve bank 6 according to the first power signal or the second power signal
Pressure system 7 is connected with the first oil pump 1 or the second oil pump 2.
Specifically, in order to ensure the confession electrical stability of external power source 9, the job stability for motor 3 is laid
Basis.The external power source 9 that switch board 8 connects has two groups, is additionally provided with between switch board 8 and external power source 9
Dual power supply transducer 10, it is switch board 8 that dual power supply transducer 10 is used for selecting one of them external power source 9
Power supply.
Specifically, being additionally provided with protection circuit 11 in switch board 8, protection circuit 11 is to the first oil pump 1 and
The motor 3 of two oil pumps 2 carries out over-current detection and protection.Wherein, over-current detection includes overload, stall, electricity
The detection of the abnormal conditions such as short out road.
The present invention, by arranging the first oil pump 1 or the second oil pump 2, is normally providing power for hydraulic system 7
During source, one group normally works, and one group standby, and once the first oil pump 1 or the second oil pump 2 break down, control
The motor 3 of the first oil pump 1 or the second oil pump 2 can be automatically switched by cabinet 8 processed in time, which raises dynamic
The stability of Force system work and reliability, it is ensured that the normal work of carrier rocket Erecting System.
Above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto,
Any change expected without creative work or replacement, all should contain within protection scope of the present invention.
Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims are limited.
Claims (7)
1. a dual redundant fault automatic switchover motor control method, it is characterised in that comprise the following steps:
S1, switch board is connected external power source；
S2, the soft start controller of the first oil pump carry out soft start to the motor of described first oil pump, start
After send feedback signal to described switch board, described switch board is to the hydraulic valve bank of position control combination
Sending the first power signal, described hydraulic valve bank receives the first oil pump and position after the first power signal
The hydraulic system of control combination is connected, described first oil pump provide power source for described hydraulic system；
S3, the soft start controller of the second oil pump carry out soft start to the motor of described second oil pump, start
After send feedback signal to described switch board, described second oil pump is standby；
S4, when described first oil pump breaks down, described switch board sends second to described hydraulic valve bank
Power signal, the second oil pump is controlled after receiving described second power signal by described hydraulic valve bank with position
The hydraulic system of combination is connected, described second oil pump provide power source for described hydraulic system.
2. dual redundant fault automatic switchover motor control method as claimed in claim 1, it is characterised in that
In described step S1, the external power source that described switch board connects has two groups, and described switch board automatically selects wherein
One described external power source is powered.
3. dual redundant fault automatic switchover motor control method as claimed in claim 1 or 2, its feature exists
In, described switch board the control mode of described first oil pump and the second oil pump is included local control mode and/or
Remote controlled manner.
4. a dual redundant fault automatic switchover electric machine control system, it is characterised in that including:
First oil pump and the second oil pump, all include interconnective soft start controller and motor；
Position control combination, for the dynamic Control of rocket Erecting System, the control combination of described position includes
Interconnective hydraulic valve bank and hydraulic system；
Switch board, respectively with the first oil pump and the motor of the second oil pump, hydraulic valve bank, outside power supply phase
Connecting, described switch board sends for the soft start controller receiving described first oil pump and the second oil pump
Feedback signal, and send described first power signal or the second power signal to hydraulic valve bank for selection,
Described hydraulic valve bank selects hydraulic system and described first according to the first power signal or the second power signal
Oil pump or the second oil pump are connected.
5. dual redundant fault automatic switchover motor control method as claimed in claim 4, it is characterised in that
The external power source that described switch board connects has two groups, is additionally provided with double between described switch board and described external power source
Power supply changeover device, it is that described switch board is powered that described dual power supply transducer is used for selecting one of them external power source.
6. dual redundant fault automatic switchover motor control method as claimed in claim 5, it is characterised in that
Being additionally provided with protection circuit in described switch board, described protection circuit is to described first oil pump and the electricity of the second oil pump
Machine carries out over-current detection and protection.
7. the dual redundant fault automatic switchover motor control method as described in claim 5 or 6, its feature exists
In, described external power supply is 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105897067A true CN105897067A (en) | 2016-08-24 |
| CN105897067B CN105897067B (en) | 2018-08-24 |
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ID=56718439
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| Publication number | Publication date |
|---|---|
| CN105897067B (en) | 2018-08-24 |
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