CN2938544Y - Integral electric machine - Google Patents
Integral electric machine Download PDFInfo
- Publication number
- CN2938544Y CN2938544Y CNU2006201026508U CN200620102650U CN2938544Y CN 2938544 Y CN2938544 Y CN 2938544Y CN U2006201026508 U CNU2006201026508 U CN U2006201026508U CN 200620102650 U CN200620102650 U CN 200620102650U CN 2938544 Y CN2938544 Y CN 2938544Y
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- driver
- servo
- encoder
- housing
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Abstract
The utility model relates to a servo motor, which comprises a shell, the rotor and stator installed inside the shell, a shaft and a bearing supporting the shaft. The rear of the stator is provided in sequence a stent, an encoder, a servo drive and a radiator which is also as the motor rear cover. The encoder is arranged inside the stent. The servo drive is fixed on the radiator. In the servo drive, the all-digital communication method is adopted and the DC power is directly supplied from the outside. A bus-mastering interface arranged on the lateral of the shell is connected to the digital signal processor in the servo drive through the bus driver chip installed in the servo drive. The servo drive and the servo motor are integrated into a unified whole in the utility model, so that the long and complex communication cables and power cables can be thrown away and the installation and the maintenance in the industrial application sites are simple and convenient. At the same time, through the bus communication method, the upper level controller can be connected to a plurality of integrated motors so that the information interaction between the upper level controller and a plurality integrated motors are achieved.
Description
Technical field
The utility model relates to a kind of servomotor, relates in particular to a kind of integrate motor that servomotor and servo-driver are integrated in one.
Background technology
In present automatic field, traditional servomotor and servo-driver are the absolute construction unit that is separated from each other, but in actual applications, servomotor and servo-driver must exist simultaneously, use just can reach various field control purposes jointly.Must finish realization jointly by both as the adjustment of servomotor rotating speed, the variation of servomotor output torque or the like a series of field control.During use, be connected with power cable by signal cable between above-mentioned two separate unit, position, the velocity information of servomotor passed to servo-driver and the control signal of servo-driver is flowed to servomotor by cable.
Such application entity has been brought great inconvenience and restriction in some industry spot, and has hindered the development of some industrial technology to a certain extent, for example:
1) at some commercial Application scene, many servomotors and servo-driver have been adopted simultaneously.Therefore numerous signal cables and power cable be will exist, the cabling complexity of this site of deployment, defective such as difficult in maintenance caused.
2) on some complete set of equipments and production line, servomotor is installed in the middle of the production line, servo-driver then is installed in the control cubicle, and the distance between control cubicle and the servomotor increases along with the increase of production line length, thereby cause the line between servomotor and servo-driver can be very long, directly cause the antijamming capability of servomotor and servo-driver to descend and the driving force of servo-driver descends, sometimes even need to adopt the electric device that adds just can make the motor operate as normal.
Along with the raising of social productive forces and the continuous development of science and technology, in the industrial automation field, every performance index and function technology to servomotor, servo-driver are had higher requirement, especially in some above-mentioned industry spot, need to realize the original separate servomotor and the existing performance of servo-driver, overcome the above-mentioned disadvantage of conventional art again.
Summary of the invention
The utility model mainly be solve servomotor and servo-driver be separated from each other, relatively independent, need long signal cable to be connected between the two, cause the technical problem of the on-the-spot cabling complexity of commercial Application, difficult in maintenance, driving force decline with power cable; Provide a kind of servo-driver and servomotor are become one, become the absolute construction of electromechanical, the commercial Application scene does not have complicated cabling, and is easy for installation, safeguards simply, guarantees the integrate motor of driving force.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: the utility model comprises housing and is installed on the bearing of rotor, stator, axle and back shaft in the housing, described stator rear is provided with the radiator of support, encoder, servo-driver and double as back end cover for motor successively, described encoder is arranged in the support, and described servo-driver is packed on the radiator.By support servo-driver and servomotor are mounted to a unified integral body, thus can jettisoning long signal cable and the power cable that need of tradition, make the commercial Application scene easy for installation, safeguard simply, guarantee enough driving forces.
As preferably, described servo-driver comprises digital signal processor, high-power driving module and the power circuit of power supply is provided for whole servo-driver, the input of described digital signal processor links to each other with described encoder, the output of digital signal processor links to each other with the high-power driving module, the high-power driving module links to each other with three phase windings of servomotor again, described digital signal processor adopts chip U5, described high-power driving module adopts chip U21, and described power circuit is by DC power supply.Servo-driver adopts DC power supply directly to be provided by the outside, removed the translation circuit of ac/dc in traditional servo-driver, adopt integrated level height, volume little chip U5, U21 respectively as digital signal processor and high-power driving module, a large amount of digital quantities, analog quantity treatment circuit in traditional servo-driver have been simplified greatly, thereby simplified the circuit structure of servo-driver, dwindled the volume of servo-driver, guarantee that servo-driver and servomotor can be encased in the limited integrated space, have also reduced the interference between the circuit.Selected high-power driving module on the servo-driver for the band Based Intelligent Control, have output off current HIGH, respond fast advantage, and the most electronic devices and components on the servo-driver are Surface Mount Component,, have that integrated level height, volume are little, the advantage of rapid heat dissipation.
As preferably, the output control signal of described chip U5 links to each other through the input of buffer with described chip U21, plays signal storage and buffering effect.
As preferably, described housing is provided with bus control interface, and described bus control interface links to each other with described digital signal processor through the bus driver module.Realized that servo-driver not only can link to each other with last level controller, and can link to each other that last level controller can link to each other with many integrate motors simultaneously with the servo-driver of another integrate motor.By the bus communication mode, last level controller can send relevant control command information to integrate motor, also can receive the various state informations of integrate motor simultaneously, to realize the information interaction between level controller and the integrate motor.
As preferably, described housing is provided with bus control interface, and described bus control interface links to each other with photoelectrical coupler through the bus driver chip, and described photoelectrical coupler links to each other with described digital signal processor again.The access of photoelectrical coupler makes and is realizing servo-driver and strengthening resistivity to external interference signals when the servo-driver of last level controller, another integrate motor links to each other.
As preferably, described support comprises carrier base and stand frame, the carrier base center is provided with circular hole, the shape size of described carrier base matches with described encoder, the rotating part of encoder pass described circular hole and by screw and motor the axle Joint, the edge of stand frame and the cross section of housing is complementary and be integral with housing and join, described servo-driver is arranged in the stand frame.Make that the structure after integrated is compact more, connect between the each several part and more become firm.
As preferably, described support adopts engineering plastics to make, and described radiator is formed from aluminium.Make servomotor and servo-driver because of the heat-blocking action of plastic stent can not make both heats transmit mutually, be independent of each other; The heat that motor produces is delivered to the outside by installed surface, the housing of motor, and the heat that servo-driver produces directly is dispersed in the ambient air by Aluminium Radiator.
The beneficial effects of the utility model are: servo-driver adopts all-digital communication mode and outside that DC power supply directly is provided, effectively simplified the circuit structure of servo-driver, dwindled the volume of servo-driver, made it to be encased in the limited servomotor space.By support servo-driver and servomotor are installed to together, become a unified integral body, thereby jettisoning not only long but also complicated telecommunication cable and power cable, improved the antijamming capability of servo-driver and servomotor, make the commercial Application scene easy for installation, safeguard simply, also guarantee to have enough driving forces.Adopt the bus communication mode to link to each other, save lines such as analog quantity between integrate motor and the last level controller, digital quantity, thereby simplified whole electrical system architecture widely, strengthened the reliability of electrical system, reduced failure rate with last level controller.
Description of drawings
Fig. 1 is a kind of axial section schematic diagram of the present utility model.
Fig. 2 is the schematic block diagram of a kind of circuit connecting relation of the present utility model.
Fig. 3 is a kind of circuit theory diagrams of servo-driver in the utility model.
1. housings among the figure, 2. rotor, 3. stator, 4. spool, 5. bearing, 6. support, 61. carrier bases, 62. stand frames, 7. encoder, 8. servo-driver, 9. radiator, 91. fin, 10. screw, 11. digital signal processors, 12. high-power driving modules, 13. power circuits, 14. buffer, 15. bus control interfaces, 16. bus control modules, 17. photoelectrical coupler, 18. servomotors, level controller on 19..
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: the integrate motor of present embodiment, comprise housing 1 and the bearing 5 that is installed on rotor 2, stator 3, axle 4 and back shaft 4 in the housing 1, and stator 3 rears are provided with the radiator 9 of support 6, encoder 7, servo-driver 8 and double as back end cover for motor successively.Support 6 comprises carrier base 61 and stand frame 62, carrier base 61 centers have circular hole, the shape size of carrier base 61 matches with encoder 7, the rotating part of encoder 7 passes circular hole and passes through axle 4 Joints of screw 10 and motor, the cross section of the edge of stand frame 62 and housing 1 is complementary and is integral with housing 1 and joins, and constitutes the part of the shell of integrate motor.Encoder 7 is arranged on the carrier base 61, and servo-driver 8 is arranged in the stand frame 62 and is packed on the radiator 9.The profile of radiator 9 and stand frame 62 are complementary, and as the rear end cap of integrate motor, it is integral with stand frame, housing and is connected.Radiator 9 usefulness aluminum materials are made, and its outer surface is provided with a lot of fin 91.Wherein servo-driver 8 comprises digital signal processor 11, buffer 14, high-power driving module 12, bus driver module 16, photoelectrical coupler 17, bus control interface 15 and for whole servo-driver 8 provides the power circuit 13 of power supply, and power circuit 13 is directly powered by external dc power.The input of digital signal processor 11 links to each other with encoder 7, and the output of digital signal processor 11 links to each other with high-power driving module 12 through buffer 14, and high-power driving module 12 links to each other with three phase windings of servomotor 18 again.Housing 1 is equipped with bus control interface 15, and bus control interface 15 links to each other with photoelectrical coupler 17 through bus driver chip 16, and photoelectrical coupler 17 links to each other with digital signal processor 11 again.Digital signal processor 11 adopts chip U5 in the present embodiment, select DSP56F803BU80 for use, high-power driving module 12 adopts chip U21, select FSAM15SH60A for use, bus driver module 16 adopts chip U22, select PCA82C250T for use, photoelectrical coupler adopts chip U23, U24, selects HCPL-0710 for use.The output pin of encoder 7 connects the ENDAT pin of U5 in the present embodiment, six DSP output pins of U5 connect the input of buffer (buffer), the output of buffer connects the 1-23 pin of U21, the 24-32 pin of U21 links to each other with three phase windings of servomotor, 6 of bus driver module chip U22 on bus control interface 15 and the servo-driver, 7 pin link to each other, 1 pin of U22 links to each other with 6 pin of photoelectrical coupler U23,2 of U23,3 pin are respectively through resistance R 113, R115 links to each other with chip U5,4 pin of U22 connect 2 pin of photoelectrical coupler U24 through resistance R 116, connect 3 pin of U24 through resistance R 117,6 pin of U24 link to each other with the serial port of chip U5.On the high-power driving module chip U21 radiator 9 is installed, radiator 9 is close to high-power driving module U21, and four angles of radiator are by four angle Joints of screw and housing 1.
The course of work: the output signal that will reflect the encoder 7 of the position of servomotor 18 and speed operation state information in real time converts standard signal to and flows to digital signal processor U5, handle through U5, the control signal of sending flows to high-power driving module U21 after buffer buffers, handle through U21 again, send three phase windings that drive signal is given servomotor 18.Bus control interface 15 links to each other with last level controller 19, the control signal of last level controller 19 is through bus control interface 15, bus driver chip U22, photoelectrical coupler U23, U24, give digital signal processor U5 at last, handle through U5, pass through buffer, high-power driving chip U21 again, thus the work of control servomotor 18; Otherwise the work state information of servomotor 18 by encoder 7, digital signal processor U5, photoelectrical coupler U23, U24, bus driver chip U22, bus control interface 15, flows to level controller 19 successively at last.
Servo-driver in the utility model directly provides DC power supply by adopting all-digital communication mode and outside, effectively simplified the circuit structure of servo-driver, dwindled the volume of servo-driver, made it to be encased in the limited servomotor space.Servo-driver and servomotor are integrated into a unified integral body, thus jettisoning not only long but also complicated telecommunication cable and power cable, make the commercial Application scene easy for installation, safeguard simply, also guarantee to have enough driving forces.Simultaneously by the bus communication mode, last level controller can link to each other with many integrate motors, make level controller send relevant control command information, also can receive the various state informations of integrate motor, to realize the information interaction between level controller and the integrate motor to integrate motor.
Claims (9)
1. integrate motor, comprise housing (1) and be installed on the bearing (5) of rotor (2), stator (3), axle (4) and back shaft (4) in the housing (1), it is characterized in that described stator (3) rear is provided with the radiator (9) of support (6), encoder (7), servo-driver (8) and double as back end cover for motor successively, described encoder (7) is arranged in the support (6), and described servo-driver (8) is packed on the radiator (9).
2. integrate motor according to claim 1, it is characterized in that described servo-driver (8) comprises digital signal processor (11), high-power driving module (12) and the power circuit (13) of power supply is provided for whole servo-driver, the input of described digital signal processor (11) links to each other with described encoder (7), the output of digital signal processor (11) links to each other with high-power driving module (12), high-power driving module (12) links to each other with three phase windings of motor again, described digital signal processor (11) adopts chip U5, described high-power driving module (12) adopts chip U21, and described power circuit (13) is by DC power supply.
3. integrate motor according to claim 2 is characterized in that the output signal of described chip U5 links to each other with the input of described chip U21 through buffer (14).
4. according to claim 2 or 3 described integrate motors, it is characterized in that housing (1) is provided with bus control interface (15), described bus control interface (15) links to each other with described digital signal processor (11) through bus driver module (16).
5. according to claim 2 or 3 described integrate motors, it is characterized in that housing (1) is provided with bus control interface (15), described bus control interface (15) links to each other with photoelectrical coupler (17) through bus driver module (16), and described photoelectrical coupler (17) links to each other with described digital signal processor (11) again.
6. integrate motor according to claim 1, it is characterized in that described support (6) comprises carrier base (61) and stand frame (62), carrier base (61) center is provided with circular hole, the shape size of described carrier base (61) matches with described encoder (7), the rotating part of encoder (7) passes described circular hole and passes through axle (4) Joint of screw (10) and motor, the cross section of the edge of stand frame (62) and housing (1) is complementary and is integral with housing (1) and joins, and described servo-driver (8) is arranged in the stand frame (62).
7. integrate motor according to claim 5, it is characterized in that described support (6) comprises carrier base (61) and stand frame (62), carrier base (61) center is provided with circular hole, the shape size of described carrier base (61) matches with described encoder (7), the rotating part of encoder (7) passes described circular hole and passes through axle (4) Joint of screw (10) and motor, the cross section of the edge of stand frame (62) and housing (1) is complementary and is integral with housing (1) and joins, and described servo-driver (8) is arranged in the stand frame (62).
8. according to claim 1 or 2 or 6 described integrate motors, it is characterized in that described support (6) adopts engineering plastics to make, described radiator (9) is formed from aluminium.
9. integrate motor according to claim 7 is characterized in that described support (6) adopts engineering plastics to make, and described radiator (9) is formed from aluminium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201026508U CN2938544Y (en) | 2006-04-14 | 2006-04-14 | Integral electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201026508U CN2938544Y (en) | 2006-04-14 | 2006-04-14 | Integral electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2938544Y true CN2938544Y (en) | 2007-08-22 |
Family
ID=38362573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201026508U Expired - Lifetime CN2938544Y (en) | 2006-04-14 | 2006-04-14 | Integral electric machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2938544Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103023427A (en) * | 2012-12-27 | 2013-04-03 | 合肥荣事达三洋电器股份有限公司 | Driver and variable-frequency motor integrated driving system |
| CN107591960A (en) * | 2017-08-18 | 2018-01-16 | 苏州首达机械有限公司 | Encoder fixing means |
| CN108508820A (en) * | 2018-06-29 | 2018-09-07 | 浙江恒强科技股份有限公司 | Networking control system of the straight-bar machines band from race formula yarn mouth |
| CN113922555A (en) * | 2021-10-11 | 2022-01-11 | 珠海格力电器股份有限公司 | Motor end cover assembly, stator assembly and motor |
-
2006
- 2006-04-14 CN CNU2006201026508U patent/CN2938544Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103023427A (en) * | 2012-12-27 | 2013-04-03 | 合肥荣事达三洋电器股份有限公司 | Driver and variable-frequency motor integrated driving system |
| CN107591960A (en) * | 2017-08-18 | 2018-01-16 | 苏州首达机械有限公司 | Encoder fixing means |
| CN108508820A (en) * | 2018-06-29 | 2018-09-07 | 浙江恒强科技股份有限公司 | Networking control system of the straight-bar machines band from race formula yarn mouth |
| CN113922555A (en) * | 2021-10-11 | 2022-01-11 | 珠海格力电器股份有限公司 | Motor end cover assembly, stator assembly and motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20090415 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |