CN103178761B - Control device used for emergency braking of rotation motor and using method thereof - Google Patents
Control device used for emergency braking of rotation motor and using method thereof Download PDFInfo
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- CN103178761B CN103178761B CN201110441631.3A CN201110441631A CN103178761B CN 103178761 B CN103178761 B CN 103178761B CN 201110441631 A CN201110441631 A CN 201110441631A CN 103178761 B CN103178761 B CN 103178761B
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- electric machine
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Abstract
The invention relates to the field of stopping or reduction devices of electric motors, generators or mechanical-electrical converters, and particularly discloses a control device used for emergency braking of a rotation motor and a using method thereof. The control device used for emergency braking of the rotation motor comprises a DC (Direct Current) power source (1), an inverter (2) and a synchronous motor (3), wherein the control device further comprises a brake controller (41) and a motor controller (42); the motor controller (42) is respectively connected with the brake controller (41) and the inverter (2) through signal lines. According to the using method of the control device used for emergency braking of the rotation motor, the motor controller (42) controls the synchronous motor (3) to be in a normal working mode or a braking mode. The control device used for emergency braking of the rotation motor has a simple structure, sensitive reaction, fast braking, a high electric energy utilization rate and a wide application range.
Description
Technical field
The present invention relates to the stopping of motor, electromotor or dynamo-electric converter or deceleration device field, specially a kind of use
Control device and its using method in turning motor brake hard.
Background technology
Based on the continuous lifting to power conservation requirement, efficient permagnetic synchronous motor starts to be widely used, except work
For the driving means of hybrid vehicle or pure electric automobile, also progressively it is applied to engineering machinery at present, such as hybrid power excavates
Machine etc..With as unlike automotive proplsion, the slew gear of hybrid excavator does not have brake coupling, normal work
Make under state, electric machine controller can control motor and is operated in motoring condition or generating state, completes single revolution action.But when electricity
The machine system failure（Now electric machine controller will detect abnormal signal）When, for protection electric system it is common practice to：Car load
Controller cuts off the high voltage power supply supply of inverter, and electric machine controller turns off inverter output simultaneously, and motor is then in inertia force
Freely rotatable under effect to stopping, this mode of braking is substantially a kind of dynamic braking, and simple dependence motor rotates to consume
Fall braking energy, braking energy will not feed back on electrical network, although effective for protection inverter and high voltage power supply, due to digging
Pick machine quality is big, belongs to large inertia load, after removing the control to turning motor, revolving dial still can be slided under effect of inertia
Put certain angle, this threatens to the vehicle on ground and the person.
Content of the invention
In order to overcome the defect of prior art, provide that a kind of structure is simple, be quick on the draw, brake rapid turning motor
Brake unit, the invention discloses a kind of control device for turning motor brake hard and its using method.
The present invention reaches goal of the invention by following technical solution：
A kind of control device for turning motor brake hard, including DC source, inverter and synchronous motor, direct current
The positive pole of power supply and negative pole connect with the electrode input end of inverter and negative input respectively, and the three-phase alternating current of inverter is defeated
Go out end to connect with the three-phase alternating current incoming end of synchronous motor respectively, it is characterized in that：Also include brake monitor and motor control
Device, electric machine controller connects brake monitor and inverter respectively by holding wire.
The described control device for turning motor brake hard, is characterized in that：DC source select super capacitor or
Accumulator, synchronous motor select permagnetic synchronous motor, brake monitor and electric machine controller all select digital signal processor or
Single-chip microcomputer.
The using method of the described control device for turning motor brake hard, motor controller controls synchronous motor
It is in normal mode of operation or braking mode, during normal mode of operation, motor controller controls inverter is to defeated from DC source
The unidirectional current entering carries out pulse width modulation to be reverse into three-phase alternating current, and will be synchronous for the three-phase alternating current being reverse into input electric
Machine, makes synchronous motor be in electric motor state, it is characterized in that：Braking mode is carried out as follows successively：
A. trigger manually：Triggering brake monitor manually, brake monitor sends brake signal to electric machine controller, electricity
Machine controller is switched to braking mode,
B. system reset：Electric machine controller, after receiving brake signal, sends a systematic reset signal first and removes
The enable signal latching because of synchronous motor fault, and so that electric machine controller is again in normally after the one transit time section of interval
Mode of operation is switched to speed closed loop given zero rotating speed command, and the persistent period of transit time section is 10ms,
C. produce electromagnetic resistance：Electric machine controller controls inverter to synchronous motor according to the rotating speed of current sync motor
Stator input and electric current originally in opposite direction, to set up and the contrary magnetic field of rotor direction of rotation, force rotor reversely to be cut
Cut the magnetic line of force to produce electromagnetic resistance until shutting down, now synchronous motor is in Generator Status, the electric current of synchronous motor output
It is rectified into through inverter and charges to DC source after unidirectional current, if the rotating speed of synchronous motor is consistently greater than 20rpm, return b step
Suddenly,
D. release and enable：After synchronous motor is shut down, release the enable of brake monitor manually,
E. recover normal：After electric machine controller detects the enable releasing of brake monitor, then recover synchronous motor to just
Often mode of operation.
The present invention is directed to the control for brake of hybrid excavator turning motor, does not increase extra hardware cost, adopts
Efficient controller, quickly and accurately can carry out motor/generator state control to synchronous motor, outstanding using DC source
It is the ability characteristics of super capacitor moment charge and discharge high current, it is possible to achieve rapid parking, and reclaims excavator during brake hard
The kinetic energy of revolving dial, can be widely applied to be used for the synchronous motor of vehicle body revolution in construction machinery product.The present invention's is beneficial
Effect is：Structure is simple, is quick on the draw, and braking is rapid, and utilization rate of electrical is high, applied widely.
Brief description
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the flow chart when present invention uses.
Specific embodiment
Further illustrate the present invention below by way of specific embodiment.
Embodiment 1
A kind of control device for turning motor brake hard, including DC source 1, inverter 2, synchronous motor 3, system
Movement controller 41 and electric machine controller 42, as shown in figure 1, concrete structure is：The positive pole of DC source 1 and negative pole are respectively and inversion
The electrode input end of device 2 and negative input connect, the three-phase alternating current outfan of inverter 2 respectively with synchronous motor 3 three
Cross streams are electrically accessed end and connect, and electric machine controller 42 connects brake monitor 41 and inverter 2 respectively by holding wire.
DC source 1 can be selected for super capacitor or accumulator, and the present embodiment selects super capacitor；Synchronous motor 3 is from forever
Magnetic-synchro motor；Brake monitor 41 and electric machine controller 42 can be selected for digital signal processor or single-chip microcomputer, and the present embodiment selects
Use digital signal processor.
When the present embodiment uses, electric machine controller 42 controls synchronous motor 3 to be in normal mode of operation or braking mode, just
Often during mode of operation, electric machine controller 42 controls inverter 2 to carry out pulse width modulation to the unidirectional current inputting from DC source 1
To be reverse into three-phase alternating current, and the three-phase alternating current being reverse into is inputted synchronous motor 3, make synchronous motor 3 be in motor
State.Braking mode is as shown in Fig. 2 carry out successively as follows：
A. trigger manually：Triggering brake monitor 41 manually, brake monitor 41 sends braking letter to electric machine controller 42
Number, electric machine controller 42 is switched to braking mode,
B. system reset：Electric machine controller 42, after receiving brake signal, sends a systematic reset signal clear first
Except the enable signal latching because of synchronous motor 3 fault, and electric machine controller 42 is made again to locate after the one transit time section of interval
It is switched to speed closed loop given zero rotating speed command in normal mode of operation, the persistent period of transit time section is 10ms,
C. produce electromagnetic resistance：Electric machine controller 42 controls inverter 2 to synchronization according to the rotating speed of current sync motor 3
The stator input of motor 3 and electric current originally in opposite direction, to set up and the contrary magnetic field of rotor direction of rotation, force rotor anti-
To cutting magnetic line to produce electromagnetic resistance until shutting down, now synchronous motor 3 is in Generator Status, and synchronous motor 3 exports
Electric current be rectified into through inverter 2 and charge to DC source 1 after unidirectional current, if the rotating speed of synchronous motor 3 is consistently greater than 20rpm,
Then return b step, if cycle-index is more than 3 times, show that inverter 2 or electric machine controller 42 have hardware permanent damages, this
When, still need to using traditional mechanical type brake block braking,
D. release and enable：After synchronous motor 3 is shut down, release the enable of brake monitor 41 manually,
E. recover normal：After electric machine controller 42 detects the enable releasing of brake monitor 41, then recover synchronous motor
3 to normal mode of operation.
Claims (1)
1. a kind of using method of the control device for turning motor brake hard, described for turning motor brake hard
Control device, including DC source (1), inverter (2) and synchronous motor (3), the positive pole of DC source (1) and negative pole are respectively
Connect with the electrode input end of inverter (2) and negative input, the three-phase alternating current outfan of inverter (2) is respectively and synchronous
The three-phase alternating current incoming end of motor (3) connects, and it is characterized in that：Also include brake monitor (41) and electric machine controller (42),
Electric machine controller (42) connects brake monitor (41) and inverter (2) respectively by holding wire；
DC source (1) selects super capacitor or accumulator, and synchronous motor (3) selects permagnetic synchronous motor, brake monitor
And electric machine controller (42) all selects digital signal processor or single-chip microcomputer (41)；
Electric machine controller (42) controls synchronous motor (3) to be in normal mode of operation or braking mode, during normal mode of operation, electricity
Machine controller (42) controls inverter (2) to carry out pulse width modulation to be reverse into the unidirectional current inputting from DC source (1)
Three-phase alternating current, and by the three-phase alternating current being reverse into input synchronous motor (3), make synchronous motor (3) be in electric motor state,
It is characterized in that：Braking mode is carried out as follows successively：
A. trigger manually：Triggering brake monitor (41) manually, brake monitor (41) sends braking to electric machine controller (42)
Signal, electric machine controller (42) is switched to braking mode,
B. system reset：Electric machine controller (42), after receiving brake signal, sends a systematic reset signal first and removes
The enable signal latching because of synchronous motor (3) fault, and make electric machine controller (42) again after the one transit time section of interval
It is in normal mode of operation and is switched to speed closed loop given zero rotating speed command, the persistent period of transit time section is 10ms,
C. produce electromagnetic resistance：Electric machine controller (42) controls inverter (2) to together according to the rotating speed of current sync motor (3)
The stator input of step motor (3) and electric current originally in opposite direction, to set up and the contrary magnetic field of rotor direction of rotation, force and turn
The sub- reverse cut magnetic line of force is to produce electromagnetic resistance until shutting down, now synchronous motor (3) is in Generator Status, synchronous motor
(3) electric current exporting is rectified into through inverter (2) and charges to DC source (1) after unidirectional current, if the rotating speed of synchronous motor (3) begins
It is more than 20rpm eventually, then return b step,
D. release and enable：After synchronous motor (3) is shut down, release the enable of brake monitor (41) manually,
E. recover normal：After electric machine controller (42) detects the enable releasing of brake monitor (41), then recover synchronous motor
(3) to normal mode of operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110441631.3A CN103178761B (en) | 2011-12-26 | 2011-12-26 | Control device used for emergency braking of rotation motor and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110441631.3A CN103178761B (en) | 2011-12-26 | 2011-12-26 | Control device used for emergency braking of rotation motor and using method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN103178761A CN103178761A (en) | 2013-06-26 |
| CN103178761B true CN103178761B (en) | 2017-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110441631.3A Active CN103178761B (en) | 2011-12-26 | 2011-12-26 | Control device used for emergency braking of rotation motor and using method thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105383309B (en) * | 2015-12-25 | 2017-12-05 | 武汉理工通宇新源动力有限公司 | A kind of electric drive automatic transmission energy feedback system and method |
| CN106816310A (en) * | 2017-03-31 | 2017-06-09 | 深圳市立昌机电设备有限公司 | The security provisions method and system of coil winding machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201118496Y (en) * | 2007-10-10 | 2008-09-17 | 荣及峰 | DC electromotor feedback brake device |
| CN201914110U (en) * | 2010-12-03 | 2011-08-03 | 湖北泰戈电动汽车开发有限公司 | Electric automobile and control system thereof |
| CN102189934A (en) * | 2010-03-03 | 2011-09-21 | 上海大郡动力控制技术有限公司 | Emergency electrical braking method of hybrid power or electric automobile |
| CN102268889A (en) * | 2010-06-07 | 2011-12-07 | 广西柳工机械股份有限公司 | Programmable control rotary braking system of hybrid excavator and control method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011050183A (en) * | 2009-08-27 | 2011-03-10 | Sanyo Electric Co Ltd | Inverter device |
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2011
- 2011-12-26 CN CN201110441631.3A patent/CN103178761B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201118496Y (en) * | 2007-10-10 | 2008-09-17 | 荣及峰 | DC electromotor feedback brake device |
| CN102189934A (en) * | 2010-03-03 | 2011-09-21 | 上海大郡动力控制技术有限公司 | Emergency electrical braking method of hybrid power or electric automobile |
| CN102268889A (en) * | 2010-06-07 | 2011-12-07 | 广西柳工机械股份有限公司 | Programmable control rotary braking system of hybrid excavator and control method |
| CN201914110U (en) * | 2010-12-03 | 2011-08-03 | 湖北泰戈电动汽车开发有限公司 | Electric automobile and control system thereof |
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| CN103178761A (en) | 2013-06-26 |
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