CN203387368U - Motor system for integration control apparatus - Google Patents
Motor system for integration control apparatus Download PDFInfo
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- CN203387368U CN203387368U CN201320471620.4U CN201320471620U CN203387368U CN 203387368 U CN203387368 U CN 203387368U CN 201320471620 U CN201320471620 U CN 201320471620U CN 203387368 U CN203387368 U CN 203387368U
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- control device
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Abstract
Provided is a motor system for an integration control apparatus. The motor system comprises a motor having a rotation rotor assembly, a stator assembly and an end cover, and a motor control device. The control device is arranged at a non-axis output end at the axial direction of the motor, and the control device and the motor are fixed together through bolts. The motor system is characterized in that the outer surface of a motor housing is provided with a rib structure 314; the outer surface of the cylinder housing 31 of the control device is provided with the rib structure 314; the bottom, which is not in contact with the motor, of the cylinder-shaped housing is provided with an opening 319; a side cover 33 covering the opening 319 is provided with a through hole 335 for installing a power line fastening screw; the through hole 335 is covered by a cover 34; the cylindrical surface of the housing is provided with a platform 311 having at least one hole; and a control wire outlet case 312 is arranged on the cylindrical surface of the cylinder housing 31.
Description
Affiliated technical field
The utility model relates to the electric motor and controller device, particularly the electric system of integrated control device.
Background technology
The miniaturization of electric motor and controller device and energy densification are to improve the effective means of cost performance.
Known middle heavy-duty motor commonly used and control device thereof adopt Split type structure at present, motor is set up and separates at space cloth with controller, forceful electric power between the two connects and controls that light current is connected and the extra parts of connection needs of cooling duct, and cost height and fault point are many.
A kind of mounting structure of controller for electric vehicle has been put down in writing in the invention that application number is 102152765.As reference accompanying drawing 9 (the description of the invention accompanying drawing 1 that corresponding application number is 102152765) front view, Figure 10 (the description of the invention accompanying drawing 2 that corresponding application number is 102152765) right view and Figure 11 (the description of the invention accompanying drawing 3 that corresponding application number is 102152765) in conjunction with as shown in end view drawing, comprise motor 1 and electric machine controller 2, electric machine controller 2 is encapsulated in a disk-like structure; The end surface shape of disk-like structure and described back end cover for motor coincide, and are connected and fit together with motor; Its high voltage bus interface 3 and low-voltage signal interface 4 are arranged on the opposite side of disk-like structure.Three-phase alternating current interface 6 has been concentrated the three-phase outlet together, and the interface 9 of water cooling plant intake-outlet 5 and cooling device water pipe forms the water-cooling channel interface, and position transducer and temperature sensor external interface 8 are arranged on centre position.
Because the efficiency of controller is greater than electric efficiency, the temperature grade of motor is higher than controller, and usually, the electric machine casing temperature is far above the control device case temperature.The invention that application number is 102152765 makes to be connected laminating with back end cover for motor as the disk-like structure of housing, and heat is delivered to control device from motor, the device temperature sensitivity of control device, and too high temperature affects power stage and even causes the controller lost of life.
In the invention that application number is 102152765, three-phase alternating current interface 6 has been concentrated the three-phase outlet to enter in controller to be connected with controller together.The motor winding need to the end-cap of stator around after be brought together again and draw outside motor.This mode needs extra lead-out wire, is brought together outlet and causes winding overhang excessive, and the waste copper material also forms heat spot, easily causes insulation degradation.
In the invention that application number is 102152765, high voltage bus interface 3 is arranged in end, and this outlet direction can cause the interior layout difficulty, and the controller volume is excessive is difficult to fixing problem with high voltage bus interface 3.
Summary of the invention
The purpose of this utility model is to provide solution of the above problems, provides that a kind of radiating effect is good, compact conformation, the motor feels hot amount is low and the electric system of easy-to-install low-cost integrated control device.
The purpose of this utility model is to reach in the following way (as Fig. 1-8):
1. the electric system of an integrated control device, comprise motor and motor control assembly with rotor assembly, field frame assembly and end cap, control device is arranged in the non-axle output of the axis direction of motor, and the two is bolted on together, it is characterized in that:
The electric machine casing outer surface has muscle structure 314, cylinder housing 31 outer surfaces of control device have muscle structure 314, the bottom surface that the housing of cylinder does not contact with motor is provided with opening 319, the side cover 33 covered on described opening 319 is provided with the through hole 335 that the power line trip bolt is installed, be covered with lid 34 on described through hole 335, the housing cylinder is provided with the platform 311 with at least one hole, controls outlet letter 312 and is arranged on the cylinder of cylinder housing 31.
2. according to the electric system of above-mentioned 1 described a kind of integrated control device, it is characterized in that: be provided with non-metallic gasket 2 between described motor and control device.
3. according to the electric system of above-mentioned 1 described a kind of integrated control device, it is characterized in that: it is regular polygon and the platform shape installation portion 316 that protrudes internal cylinder that cylinder housing 31 inside of described control device have the inboard, cross section.
4. according to above-mentioned 1 or the electric system of 2 or 3 described a kind of integrated control devices, it is characterized in that: cylinder housing 31 bottoms of described control device have centered by housing 31 centers of circle, bottom, and 120 degree are uniform goes out line three-way hole 315.
5. according to above-mentioned 1 or the electric system of 2 or 3 described a kind of integrated control devices, it is characterized in that: current sensor 322 is arranged between the pcb325 and control device cylindrical shell 31 bottoms that is welded with semiconductor device 324.
6. according to above-mentioned 1 or the electric system of 2 or 3 described a kind of integrated control devices, it is characterized in that: be provided with the strutting piece 323 that embeds current sensor 322 between pcb325 and motor control assembly cylindrical shell 31 bottoms.
7. according to above-mentioned 1 or the electric system of 2 or 3 described a kind of integrated control devices, it is characterized in that: semiconductor device 324 is uniformly distributed and is welded on circular pcb325 edge.
8. according to above-mentioned 1 or the electric system of 2 or 3 described a kind of integrated control devices, it is characterized in that: the arcuation boss collector electrode 329 with the installation portion that is installed on wiring board 325, winding outlet installing hole 327 is arranged.
9. according to above-mentioned 1 or the electric system of 2 or 3 described a kind of integrated control devices, it is characterized in that: electric motor end cap 11 has centered by the end cap center of circle, the uniform annular boss 111 that goes out line three-way hole and jag exterior surface of 120 degree.
10. according to above-mentioned 1 or the electric system of 2 or 3 described a kind of integrated control devices, it is characterized in that: described lid 34 has threaded portion 342 and flange portion 343 and is enclosed within the O shape circle 341 of threaded portion.
The beneficial effects of the utility model are: the electric system of described integrated control device according to above-mentioned 1-10, and the muscle structure has effectively reduced thermal resistance, has reduced the temperature of winding and semiconductor device, has improved reliability; The motor of heat isolation and controller reduce the controller temperature, have improved power density; Take full advantage of the direct outlet of motor stator winding enamelled wire, with minimum length, be connected to control device, reduced the motor end, reduced caloric value, control device inside is layout dexterously, has reduced EMC, improved the thermal safety of device, and made power per liter be improved 20%; Succinctly the mode of connection has improved productivity ratio easily, has reduced cost.In a word, the utility model has improved the cost performance of the electric system of integrated control device.
The accompanying drawing explanation
Below in conjunction with accompanying drawing 1-8 and embodiment, the utility model is further illustrated.
Fig. 1 is the three-dimensional explosive view of the utility model embodiment.
Fig. 2 is the shell structure graphics of the utility model embodiment.
Fig. 3 is the structural map of another embodiment of the utility model.
Fig. 4 is the three-dimensional explosive view of the PCB assembly 32 of the utility model embodiment.
Fig. 5 is the structural map of the strutting piece of the utility model embodiment.
Fig. 6 and Fig. 7 are middle electric motor end cap 11 structural maps of the utility model embodiment.
Lid 34 structural maps in Fig. 8 the utility model embodiment.
Wherein: 1. motor, 2. pad, 3. control device, 11. electric motor end cap, 111. muscle structure, 112. muscle structure, 31. housing, 311. platform, 312. control the outlet letter, 313. outlet letter, 314. muscle structure, 315. go out line three-way hole, 316. platform shape installation portion, 317. installing hole, 319. opening, 321. spring bearer plate, 322. transducer, 323. insulator, 324. semiconductor device, 325.PCB, 326. binding post, 327. outlet installing hole, 328. capacitor, 329. collector electrode, 330. binding post, 331. groove, 333. embedded hole, 33. side cover, 335. through hole, 34. lid, 341.O type circle, 342. threaded portion, 343. flange portion, 344. clamping part, 35. screw
Fig. 9, Figure 10 and Figure 11 are the structural maps of prior art.
It is 102152765 Figure of description orders that number order has been continued to use application number, wherein: 1. motor, 2. electric machine controller, 3. high voltage bus interface, 4. the low-voltage signal interface 4,5. intake-outlet, 6. three-phase alternating current interface, 7. bolt, 8. position transducer and temperature sensor external interface
Embodiment
Below with reference to accompanying drawing 1-8, execution mode of the present utility model is described.
A kind of embodiment, a kind of electric system of integrated control device, comprise motor 1 and motor control assembly 3 with rotor assembly, field frame assembly and end cap, and control device 3 is arranged in the non-axle output of the axis direction of motor 1, the two is bolted on together, it is characterized in that:
The electric machine casing outer surface has muscle structure 314, cylinder housing 31 outer surfaces of control device have muscle structure 314, the basic bottom surface do not contacted with motor for the housing of cylinder is provided with opening 319, the side cover 33 covered on opening 319 is provided with the through hole 335 that the power line trip bolt is installed, be covered with lid 34 on described through hole 335, housing 31 cylinders are provided with the platform 311 with at least one hole, control outlet letter 312 and are arranged on the cylinder of cylinder housing 31.
Motor 1 consists of the rotor assembly of rotating part and stationary part field frame assembly and end cap, and motor can be high power B LDC, AC induction motor and permagnetic synchronous motor, preferably permagnetic synchronous motor.
The electric machine casing outer surface has muscle structure 314, and cylinder housing 31 outer surfaces of control device have muscle structure 314, and muscle structure and housing are integrated, and have radially outward pattern draft, and material is identical with housing.The muscle structure also can be vertical by undulatory aluminium sheet soldering be connected on the surface of shell of cylinder.This structure has increased the external surface area of electric machine casing and control device housing, and thermal resistance reduces, and improves the thermal reliability of system in cooling environment at natural wind.
As depicted in figs. 1 and 2, the muscle structure 314 of electric machine casing outer surface is arranged to the circumferencial direction vertical with motor shaft, and in the present embodiment, the height of muscle is 30mm, and muscle structure 314 along the circumferential direction goes up continuously, forms ring.
In other embodiment, muscle structure 314 along the circumferential direction goes up discontinuous, is interrupted shape and is distributed on circumference.
In the embodiment shown in fig. 3, the muscle structure 314 of electric machine casing outer surface is arranged on the direction parallel with the motor shaft direction, and muscle structure 314 can be continuous, also can be discontinuous.
The bottom surface that the cylinder housing does not contact with motor is provided with opening 319, as shown in Figure 1 and Figure 4, by this opening 319, insulator 323, transducer 322, pcb assembly 32, control circuit board 36 in control device is installed.With bolt, side cover 33 is installed on this opening 319.
The side cover 33 covered on shell nozzle 319 is provided with the through hole 335 that the power line trip bolt is installed, and lid 34 is installed on through hole 335.
As shown in Figures 1 and 2, platform 311 is arranged on the cylinder of housing 31, the fixedly through hole 335 of the screw of DC power cable (not drawing in figure) is installed to be arranged on side cover 33, after controller has been assembled, side cover 33 is fixed on housing 31, DC power cable is by the inserting controller inside, hole of the platform 311 on housing 31, fixed-use bolt is inserted by the through hole 335 be arranged on side cover, setting tool also enters by through hole 335, by the binding post 330 be bolted in Fig. 4.This mode realizes not opening control device power line is installed, farthest the protection controller internal part.
This power line mounting means, be convenient to erection work, saves man-hour, and the outbound course of cable meets the vehicle arranged direction, and cable does not have the bending with damageability that diameter is little, and vibration strength and reliability all are improved.
In other embodiments, platform 311 is arranged on side cover 33, and through hole 335 is arranged on the housing cylinder.Cable enters control device by the platform 311 on side cover 33, and fixed-use bolt is inserted by the through hole 335 be arranged on the housing cylinder, and setting tool also enters control device by the through hole 335 on the housing cylinder.Through hole 335 on the housing cylinder is installed with lid 34 by screw thread.
DC power cable is fixed on platform 311, and realizes the water proof and dust proof sealing by the outlet letter 313 be fixed on platform.Outlet letter 313 can be selected the lne-m-ex series metal water joint of leinouoer, also can select other family's similar functions products.
DC power cable enters control device inside through the hole be arranged on platform 311, and the outlet letter of the quantity in hole and use is relevant, as the embodiment of figure, needs to arrange two holes on platform.When using integrated outlet letter, only need a circle or slotted eye.
In the present embodiment, control outlet letter 313 and be arranged on cylinder housing 31 cylinders.As figure, control the outlet letter and can be arranged on side cover 33 in other embodiments.Preferably controlling the outlet letter is arranged on cylinder housing cylinder.
Control the outlet letter and directly be connected with control board or be connected with control board by wire harness, control outlet letter is arranged on cylinder housing cylinder can simplify mounting structure, is convenient to assembly work, saves man-hour.
In another embodiment, also comprise the non-metallic gasket 2 arranged between motor and control device according to above-mentioned feature.
Be provided with pad 2 between motor and control device, electric motor end cap and controller housing are separated, prevent that heat is delivered to control device 3 from motor, the device temperature sensitivity in control device 3, too high temperature affects the controller life-span.
Pad 2 is designed to ring-type, and maximum gauge is identical with electric motor end cap.Also can be designed to patty.
Pad 2 can be selected glass mat, polyurethane sheet, high-density polystyrene plate or aluminum foil composite.
In another embodiment, it is regular polygon and the platform shape installation portion 316 that protrudes internal cylinder that cylinder housing 31 inside of control device have the inboard, cross section.
In embodiment as shown in Figure 2, installation portion in cylinder housing 31 inside is an annular boss, the boss outside and housing 31 are connected as a single entity or close contact, inboard, boss cross section is regular polygon, the inscribed circle of regular polygon is less than round-formed boss in housing, and the limit number of regular polygon is identical with semiconductor device or module number.The face at the place, sideline of regular polygon is mounting plane, and the mounting plane width is identical with semiconductor device, and setting height(from bottom) is not less than the semiconductor device height.Mounting plane and boss end face acutangulate.
In other embodiments, mounting plane is vertical with the boss end face.
The annular boss regular polygon is at least positive triangle, and inner section is leg-of-mutton boss.
In other embodiment, annular boss to the line segment trisection between the circle in the boss outside, forms three independently boss, three installation portions that surround interrupted ring-type that independently boss does not contact with each other with the center of circle at its end face place.
In embodiment as shown in Figure 2, on the end face of boss, be provided with screwed hole, semiconductor device is arranged on the screwed hole of installation portion 316 by spring bearer plate 321 compressions of moulding in advance.
In other embodiment, mounting plane is provided with the screwed hole perpendicular to this plane, and semiconductor device is screwed by this screwed hole.
In the embodiment shown in Fig. 1 and Fig. 2 and Fig. 4, the semiconductor device 324 be arranged on installation portion 316 is MOSFET, and semiconductor device 324 can be selected MOSFET half-bridge, IGBT or IGBT half-bridge.
Cylinder housing 31 bottoms of control device have centered by housing 31 centers of circle, bottom, and 120 degree are uniform goes out line three-way hole 315.
Usually, the motor winding is in the outlet of the end of stator welding winding, and winding outlet coiling end three-phase is brought together again draws outside motor.This mode needs extra lead-out wire to add to be brought together outlet to cause winding overhang excessive, and the waste copper material also forms heat spot, causes insulation degradation.
In embodiment as shown in Figure 2, at cylinder housing 31, near motor side, with uniform 3 motor winding line outlets 315 in 360 °, the center of circle, cylinder bottom surface, the outlet of motor winding directly enters in control device from this hole, and directly connects with corresponding with it terminal.
In this embodiment, line outlet 315 is set as circle, also can be set as notch shape.
Embodiment as shown in Fig. 4, Fig. 6 Fig. 7, in the position corresponding with line outlet 315 positions, also be provided with three uniform holes on PCB325.Their common winding outlet passages that forms.
Usually, current sensor 322 is sleeved on binding post 330, and current sensor 322 has taken the space of capacitor, has reduced the quantity of capacitor.
Embodiment as shown in Figure 4, current sensor 322 is arranged between the pcb325 and control device cylindrical shell 31 bottoms that is welded with semiconductor device 324, takes full advantage of the insulating space of pcb325, the control device compact conformation.
Be provided with the strutting piece 323 that embeds current sensor 322 between pcb325 and motor control assembly cylindrical shell 31 bottoms.
Embodiment as shown in Figure 1 and Figure 4, strutting piece 323 between the bottom surface of pcb325 and housing 31, current sensor 322 and concentric being embedded in strutting piece 323 of wire hole.
As shown in Figure 5, in strutting piece 323 and pcb325 noncontact side, be provided with the groove 331 that current sensor 322 embeds, be provided with the nut embedded hole 333 corresponding with binding post 330 positions simultaneously, in centre, be provided with through hole.
A kind of structure, semiconductor device 324 is uniformly distributed and is welded on circular pcb325 edge.
In embodiment shown in Fig. 4, pcb325 is circular, and the above is welding capacitor 328, binding post 330, binding post 326 and semiconductor device 324.
In embodiment shown in Fig. 4, the dome face of semiconductor device 324 and pcb325 acutangulates, and in other embodiments, the dome face of semiconductor device 324 and pcb325 meets at right angles.
A kind of current collection very has the arcuation boss that is installed on wiring board 325, the installation portion of winding outlet installing hole 327 is arranged.Embodiment as shown in Figure 4, the arcuation boss of collector electrode 329 and wiring board 325 are closely fixing by the screwed hole be positioned on collector electrode 325, and collector electrode 329 connects the mid point of the half-bridge structure of semiconductor device 324 formation by the deposited copper electrode on wiring board 325.
In the present embodiment, collector electrode 329 is provided with projection with the position that wiring board 325 contacts, and has increased contact.In other embodiment, projection disappears, and collector electrode 329 contacts with plane formula with wiring board 325.
Collector electrode is provided with winding outlet installation portion, and installation portion is provided with installing hole 327.In the embodiment shown in fig. 4, installation portion exceeds the arcuation boss, in the side of installation portion, is provided with installing hole 327, and the winding outlet is fixed on installing hole 327.Installation portion can not exceed the arcuation boss, and installing hole 327 also can be arranged on the end face of installation portion.
A kind of electric motor end cap 11 has centered by the end cap center of circle, the uniform annular boss 111 that goes out line three-way hole and jag exterior surface of 120 degree.
Usually, the motor winding is the outlet of the end of stator welding winding, heterogeneous being brought together again from electric motor end cap is drawn motor behind winding outlet coiling end.This outlet method causes winding overhang excessive, and the waste material also forms heat spot, easily causes insulation degradation.
Electric motor end cap 11 has centered by the end cap center of circle, and 120 spend the uniform line three-way hole that goes out, and each is drawn alone mutually nearby, has solved the problems referred to above, and has been connected nearby with the collector electrode 329 of control device, and mounting means is simple.
In the annular boss 111 of jag exterior surface, position transducer is installed, position transducer can be photoelectric encoder, Hall element, resolver etc., and annular boss 111 stretches in strutting piece 323.This structure has shortened the axial dimension of motor, has improved power density.
A kind of lid lid 34 has threaded portion 342 and flange portion 343 and is enclosed within the O shape circle 341 of threaded portion.
Threaded portion 342 internal diameters of lid 34 are greater than the e value of clamp nut, and reach is less than the thickness of side cover.Flange diameter is greater than major diameter of thread.
The large footpath of O type circle internal diameter and screw thread equates, plays the effect of sealing after the lid compression.
The clamping part 344 that lid is arranged at the opposite side of flange, clamping part can be turret head, also can adopt interior hexagonal, inner cross, in using, when hexagonal or inner cross, clamping part is not higher than Flange Plane.
The threaded portion 342 of lid 34 is fastening and realization sealing with the screwed hole 335 on side cover 33.
Lid 34 can be selected metal material, also can select plastics.O type circle selection standard part.
Claims (10)
1. the electric system of an integrated control device, comprise motor and motor control assembly with rotor assembly, field frame assembly and end cap, and control device is arranged in the non-axle output of the axis direction of motor, is bolted, and it is characterized in that:
The electric machine casing outer surface has muscle structure (314), cylinder housing (31) outer surface of control device has muscle structure (314), be shaped as the bottom surface that the housing of cylinder do not contact with motor and be provided with opening (319), the side cover (33) covered on described opening (319) is provided with the through hole (335) that the power line trip bolt is installed, be covered with lid (34) on described through hole (335), the housing cylinder is provided with the platform (311) with at least one hole, controls outlet letter (312) and is arranged on the cylinder of cylinder housing (31).
2. the electric system of a kind of integrated control device according to claim 1, is characterized in that: be provided with non-metallic gasket (2) between described motor and control device.
3. the electric system of a kind of integrated control device according to claim 1 is characterized in that: it is regular polygon and the platform shape installation portion (316) that protrudes internal cylinder that cylinder housing (31) inside of described control device has the inboard, cross section.
4. according to the electric system of claim 1 or 2 or 3 described a kind of integrated control devices, it is characterized in that: the cylinder housing (31) of described control device bottom has centered by the center of circle, housing (31) bottom, and 120 degree are uniform goes out line three-way hole (315).
5. according to the electric system of claim 1 or 2 or 3 described a kind of integrated control devices, it is characterized in that: current sensor (322) is arranged between the PCB (325) and control device cylindrical shell (31) bottom that is welded with semiconductor device (324).
6. according to the electric system of claim 1 or 2 or 3 described a kind of integrated control devices, it is characterized in that: between PCB (325) and motor control assembly cylindrical shell (31) bottom, be provided with the strutting piece (323) that embeds current sensor (322).
7. according to the electric system of claim 1 or 2 or 3 described a kind of integrated control devices, it is characterized in that: semiconductor device (324) is uniformly distributed and is welded on circular PCB (325) edge.
8. according to the electric system of claim 1 or 2 or 3 described a kind of integrated control devices, it is characterized in that: have and be installed on the arcuation boss collector electrode (329) that wiring board (325) is upper, the installation portion of winding outlet installing hole (327) is arranged.
9. according to the electric system of claim 1 or 2 or 3 described a kind of integrated control devices, it is characterized in that: electric motor end cap (11) has centered by the end cap center of circle, the uniform annular boss (111) that goes out line three-way hole and jag exterior surface of 120 degree.
10. according to the electric system of claim 1 or 2 or 3 described a kind of integrated control devices, it is characterized in that: described lid (34) has threaded portion (342) and flange portion (343) and is enclosed within the O shape circle (341) of threaded portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320471620.4U CN203387368U (en) | 2013-08-05 | 2013-08-05 | Motor system for integration control apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320471620.4U CN203387368U (en) | 2013-08-05 | 2013-08-05 | Motor system for integration control apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN203387368U true CN203387368U (en) | 2014-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320471620.4U Expired - Fee Related CN203387368U (en) | 2013-08-05 | 2013-08-05 | Motor system for integration control apparatus |
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| Country | Link |
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| CN (1) | CN203387368U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427566A (en) * | 2013-08-05 | 2013-12-04 | 北京睿德昂林新能源技术有限公司 | Motor system of integrated control device |
| CN109367376A (en) * | 2018-11-26 | 2019-02-22 | 中国科学院电工研究所 | A kind of integrated system of motor and controller |
-
2013
- 2013-08-05 CN CN201320471620.4U patent/CN203387368U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427566A (en) * | 2013-08-05 | 2013-12-04 | 北京睿德昂林新能源技术有限公司 | Motor system of integrated control device |
| CN109367376A (en) * | 2018-11-26 | 2019-02-22 | 中国科学院电工研究所 | A kind of integrated system of motor and controller |
| CN109367376B (en) * | 2018-11-26 | 2024-03-19 | 中国科学院电工研究所 | Integrated system of motor and controller |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140108 Termination date: 20180805 |