CN201893753U - Actuator driving device with modularized structure - Google Patents
Actuator driving device with modularized structure Download PDFInfo
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- CN201893753U CN201893753U CN2010206179192U CN201020617919U CN201893753U CN 201893753 U CN201893753 U CN 201893753U CN 2010206179192 U CN2010206179192 U CN 2010206179192U CN 201020617919 U CN201020617919 U CN 201020617919U CN 201893753 U CN201893753 U CN 201893753U
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Abstract
The utility model relates to an actuator driving device with a modularized structure. The actuator driving device is characterized in that two radiating fins, a padding plate and a magnetic isolating board form a rectangular cavity, a controller and a power panel are fixed on the plane of the magnetic isolating board, and a fan is fixed at one end of the cavity; three driver modules are fixed side by side on the surface of each radiating fin, and each current Hall sensor is electrically connected with and fixed above the corresponding driver module; the driver modules are electrically connected with a phase winding; and the power panel is electrically connected with the six driver modules, the six current Hall sensors and the controller. Besides the characteristics of a common permanent-magnet motor, such as high efficiency, simple structure, easiness in control, favorable performance and the like, the motor also has the capabilities of magnetic isolation, electric isolation, physical isolation, heat isolation and short-circuit current suppression, can work continually and stably in case of system failures without additional arrangement of unnecessary devices, and achieve fault-tolerant control.
Description
Technical field
The utility model relates to a kind of drive unit of motor, belongs to motor manufacturing technology.
Background technology
For general electrical drive system, power main circuit and motor windings are the weak links of drive system reliability relative thin, thereby they are importances of reliability design.The normal pair redundancy technologies that adopt improve its reliability in modern aviation power drive system, redundancy technology may be defined as and uses the above equipment of a cover to finish given task, promptly constitute remaining, so existing as can be seen redundancy technology characteristics are to increase multiple resource, the repeated configuration that comprises hardware and software, its form of the composition are divided into two kinds: cold standby and Hot Spare.
(1) cold standby: during operate as normal, have only backup 1 work, backup 2 is not worked; During fault, backup 1 excision has only backup 2 work.
(2) Hot Spare: during operate as normal, backup 1, backup 2 are worked simultaneously; During fault, a backup of excision fault, remaining backup (may be backup 1, also may be backup 2) work.
In two remaining motor driven systems, be mainly parallel structure, aviation is a full bridge structure with the motor driver of pressurized strut, adopts star-like ways of connecting, when wherein a certain phase power tube damage, can influence the control of normal phase by central point, be not possess the electrical isolation ability between each phase winding, simultaneously, need change whole three-phase master power model (generally adopting the IPM module) during maintenance, comprise the power cell that replacing is not broken down, cause significant wastage.
The existing pair of existing problem of redundant control system: (1) drive unit volume weight increases, and power density is low.(2) do not possess the ability of Fault Isolation, wherein the situation that exists fault to infect between the backup.During (3) owing to the excision fault, being that a whole set of backup drive unit cuts away, will guaranteeing that therefore every suit backup all exports rated power, that the gross output of two remaining system is necessary for 2 times of rated power: W is total=and 2 * W is specified, so system availability is not high, only for being 50%.(4) current unevenness weighing apparatus, moment output is uneven, and the drive motors that makes easily produces the bearing twisted phenomena; Heat radiation simultaneously is uneven, influences lifetime of system.
Each phase voltage intercouples in traditional three phase full bridge topology, makes when a phase winding or power tube damage, and all can have influence on the voltage output of other phase, thereby make each phase terminal voltage of motor out of control.
Summary of the invention
The technical problem that solves
For fear of the deficiencies in the prior art part, the utility model proposes a kind of actuator drive unit with modular construction, can match with the electrical actuation tube with aviation, realize the modularization of whole motor driven systems.
Technical scheme
A kind of actuator drive unit of power driver module of motor driven systems is characterized in that comprising backing plate 1, fan 2,3,6 driver modules of fin 4,6 current Hall transducers 5, power panel 6, controller 7 and magnetic isolation plates 8; Two fin and backing plate 1 and magnetic isolation plate 8 are formed a rectangular enclosure body, and controller 7 and power panel 6 are fixed on the plane of magnetic isolation plate 8, an end fan attachment 2 of cavity body; 3 driver modules 4 are fixed on the surface of described each fin side by side, and each current Hall transducer 5 electrically connects with corresponding driving module 4, and is fixed on driver module 4 tops that electrically connect with it; A described driver module 4 and a phase winding electrically connect; Described power panel 6 and 4,6 current Hall transducers 5 of 6 driver modules and controller 7 electrically connect.
Described driver module comprises the consistent IGBT of four parameters; Wherein any two formation brachium pontis of connecting are parallel to the motor bus then; The mid point of the IGBT brachium pontis of connecting with two in the two ends of motor windings connects, the two ends that are parallel to the motor bus connect respectively transducer and relay switch.
Beneficial effect
Improve the security reliability of aviation with the electrical actuation tube, motor can adopt the magneto with fault-tolerant ability.This motor except efficient height with general magneto, simple in structure, be easy to the characteristics such as control, function admirable, also possess magnetic isolation, electrical isolation, physical isolation, heat isolation and suppress the short circuit current ability, thereby be implemented under the situation that does not increase unnecessary device, can continue stable operation when system breaks down, realize fault-tolerant control.Wherein electrical isolation adopts every phase winding all to use the power supply of separate single-phase full-bridge (H bridge) converter, guarantees that each phase winding is independent of each other on electric mutually.
Except possessing electrical isolation, also make each phase winding be easy to independent control based on the Drive Structure of H bridge, promptly therefore modularized motor, is necessary to invent a kind of modular event driven device structure and matches with it, realizes the modularization of whole motor driven systems.Mainly contain following several advantage:
1. the modular event driven structure of each phase winding is convenient to design, debugging, maintenance and the production of driver.
2. radiator provides the air channel to fan, is convenient to the power tube heat radiation of driver module.
3. in conjunction with the 3-D solid structure of driver, adopt magnetic isolation plate can improve the Electro Magnetic Compatibility of driver.
4. the total assembling is simple, easy to maintenance.
Description of drawings
Fig. 1: driving device structure figure
Fig. 2: radiator and power driving device installation diagram
Fig. 3: H bridge module structure
Fig. 4: the H bridge construction figure of every phase winding
Embodiment
Now in conjunction with the embodiments, accompanying drawing is further described the utility model:
The structure of present embodiment as shown in Figure 1, activation configuration comprises: backing plate 1, fan 2, radiator 3, driver module 4, current Hall transducer 5, power panel 6, controller 7, magnetic isolation plate 8.
This structure adopts 6 driver modules 4 altogether, and each driver module 4 comprises the consistent IGBT of four parameters; Wherein any two formation brachium pontis of connecting are parallel to the motor bus then; The mid point of the IGBT brachium pontis of connecting with two in the two ends of motor windings connects, the two ends that are parallel to the motor bus connect respectively transducer and relay switch.As shown in Figure 3: Udc is the motor power supply, A, B, C, be each phase winding of motor, power driver module 4 is made up of four IGBT, every parameter is identical, wherein any two connect after, carry out in parallelly with the motor bus, simultaneously motor windings is connected with the mid point of the IGBT brachium pontis of connecting, the drive signal of every power tube is sent by control board 7, and it is opened and turn-off control.
On magnetic isolation plate and fin, punch, with bolt two fin and backing plate 1 and magnetic isolation plate 8 are formed a rectangular enclosure body then, improve the anti-electromagnetic interference of control board.Controller 7 and power panel 6 are fixed on the plane of magnetic isolation plate 8, an end fan attachment 2 of cavity body.
The installation of six power driver modules 4: on fin, punch, by bolt six power driver modules are fixed on the fin then,, realize the modular event driven unit of each phase winding on the other hand on the one hand by the fin heat radiation.3 driver modules 4 are fixed on the surface of described each fin side by side, and each current Hall transducer 5 electrically connects with corresponding driving module 4, and is fixed on driver module 4 tops that electrically connect with it; A described driver module 4 and a phase winding electrically connect; Described power panel 6 and 4,6 current Hall transducers 5 of 6 driver modules and controller 7 electrically connect.
The installation of fan 2: on backing plate, punch, by bolt fan is fixed on the backing plate then.
The course of work:
Drive unit drives a kind of magneto with fault tolerance, a drive circuit board is connected respectively with a phase winding respectively in the drive unit, be in series with relay between every phase drive circuit and the bus, when breaking down, the drive signal of drive plate is turn-offed in the instruction of sending according to controller, and flick relay, the disengagement failure phase makes normal phase can continue stable operation.As shown in Figure 4:
The upper strata control board is for fear of the electromagnetic interference of forceful electric power signal, and placed a magnetic isolation plate between the drive plate, and the electromagnetic isolation that can accomplish drive unit like this makes control system can not be subjected to the interference of forceful electric power and drive signal and causes the generation misoperation.
According to These characteristics, successfully developed the pressurized strut driver of aviation with 7500W, its nominal torque is 10Nm, rated speed 7000rpm, match with the magneto that correspondingly has fault-tolerant ability, can realize the normal operation of system, when fault, realize normal operation seamlessly transitting to fault case, the performance of motor operation remains unchanged substantially, realizes fault-tolerant control.Simultaneously, practice shows, not only production and processing efficient of this modular event driven device height, and debug fast, easy to maintenance fast, reached the design of modular event driven device.
And among the embodiment, with every phase winding employing H bridge type of drive of motor, as shown in Figure 3 and Figure 4.Each phase winding of this modular event driven device adopts power supply separately and control, forms a modular event driven unit.Circuit design, the hardware that helps driver is installed, debugging maintenance.This modular construction guarantees that the main power of each phase winding is electrical isolation fully simultaneously, when if certain phase module breaks down, fault is the not influence of driver module of other normal phase relatively, and need only change the fault phase during maintenance, other still normally uses mutually, improve system reliability, and reduce cost.
Claims (2)
1. the actuator drive unit with modular construction is characterized in that comprising backing plate (1), fan (2), fin (3), 6 driver modules (4), 6 current Hall transducers (5), power panel (6), controller (7) and magnetic isolation plate (8); Two fin and backing plate (1) and magnetic isolation plate (8) are formed a rectangular enclosure body, and controller (7) and power panel (6) are fixed on the plane of magnetic isolation plate (8), an end fan attachment (2) of cavity body; 3 driver modules (4) are fixed on the surface of described each fin side by side, and each current Hall transducer (5) electrically connects with corresponding driving module (4), and are fixed on driver module (4) top that electrically connects with it; Described driver module (4) electrically connects with a phase winding; Described power panel (6) electrically connects with 6 driver modules (4), 6 current Hall transducers (5) and controller (7).
2. the actuator drive unit with modular construction according to claim 1 is characterized in that: described driver module comprises the consistent IGBT of four parameters; Wherein any two formation brachium pontis of connecting are parallel to the motor bus then; The mid point of the IGBT brachium pontis of connecting with two in the two ends of motor windings connects, the two ends that are parallel to the motor bus connect respectively transducer and relay switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206179192U CN201893753U (en) | 2010-11-18 | 2010-11-18 | Actuator driving device with modularized structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206179192U CN201893753U (en) | 2010-11-18 | 2010-11-18 | Actuator driving device with modularized structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201893753U true CN201893753U (en) | 2011-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206179192U Expired - Fee Related CN201893753U (en) | 2010-11-18 | 2010-11-18 | Actuator driving device with modularized structure |
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| Country | Link |
|---|---|
| CN (1) | CN201893753U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106849826A (en) * | 2017-03-06 | 2017-06-13 | 四川大能科技有限公司 | A kind of electric vehicle motor driver of built-in high-current relay |
| CN110247608A (en) * | 2019-06-19 | 2019-09-17 | 诺丁汉(余姚)智能电气化研究院有限公司 | The control system of motor |
-
2010
- 2010-11-18 CN CN2010206179192U patent/CN201893753U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106849826A (en) * | 2017-03-06 | 2017-06-13 | 四川大能科技有限公司 | A kind of electric vehicle motor driver of built-in high-current relay |
| CN106849826B (en) * | 2017-03-06 | 2018-03-09 | 四川大能科技有限公司 | A kind of electric vehicle motor driver of built-in high-current relay |
| CN110247608A (en) * | 2019-06-19 | 2019-09-17 | 诺丁汉(余姚)智能电气化研究院有限公司 | The control system of motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110706 Termination date: 20171118 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |