CN204304652U - Double-speed double-action power brushless electric machine - Google Patents
Double-speed double-action power brushless electric machine Download PDFInfo
- Publication number
- CN204304652U CN204304652U CN201520013628.5U CN201520013628U CN204304652U CN 204304652 U CN204304652 U CN 204304652U CN 201520013628 U CN201520013628 U CN 201520013628U CN 204304652 U CN204304652 U CN 204304652U
- Authority
- CN
- China
- Prior art keywords
- terminals
- winding
- tap
- double
- electric machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
- Brushless Motors (AREA)
Abstract
The utility model discloses a kind of double-speed double-action power brushless electric machine, it has: the first winding, and the first tap is drawn at centre 1/2 place of the first winding, and this first tap is as terminals U1; Second winding, the second tap is drawn at centre 1/2 place of the second winding, and this second tap is as terminals V1; The tertiary winding, the 3rd tap is drawn at centre 1/2 place of the tertiary winding, and the 3rd tap is as terminals W1; When vehicle is in low rotation speed large torque operation, terminals U, terminals V are connected with the three-phase output end of electric machine controller respectively with terminals W, and terminals U2, terminals V2 and terminals W2 short circuit, terminals U1, terminals V1 and terminals W1 open a way.The utility model motor has low speed and motor characteristic at a high speed simultaneously, can meet the traveling under electric motor car fast state, can take into account again traveling during low speed overlond running, the phenomenon that when avoiding overload, motor useful life and reliability reduce greatly.
Description
Technical field
The utility model relates to a kind of double-speed double-action power brushless electric machine, belongs to DC brushless motor of electric vehicle or permagnetic synchronous motor technical field.
Background technology
At present, electric vehicles DC brushless motor or permagnetic synchronous motor only have one group of winding and a secondary magnet steel composition usually.Although such structure structure is simple.But there is many drawbacks equally in such frame mode:
Motor vehicle operationally usually will be operated in fast state, takes into account low speed overlond running again simultaneously, for a conventional motor, can not realize both having met high-speed and high-efficiency and run, meet again low-speed big and run.Use conventional motor, motor vehicle start and climbing time or heavy service time need motor to export very large moment of torsion, under this operating mode, the efficiency of motor is very low, and power output is very little.Motor is when running overload, and motor heating in winding is high, winding magnet wire insulation hydraulic performance decline, and useful life and the reliability of motor reduce greatly.In addition, the heavy overload of motor makes the power consumption of storage battery very large, has a strong impact on course continuation mileage and the electrical machinery life of vehicle.
Summary of the invention
Technical problem to be solved in the utility model is the defect overcoming prior art, a kind of double-speed double-action power brushless electric machine is provided, it has low speed and motor characteristic at a high speed simultaneously, the traveling under electric motor car fast state can be met, traveling during low speed overlond running can be taken into account again, the phenomenon that when avoiding overload, motor useful life and reliability reduce greatly.
In order to solve the problems of the technologies described above, the technical solution of the utility model is: a kind of double-speed double-action power brushless electric machine, and it has:
First winding, the head end of the first winding is terminals U, and the tail end of the first winding is terminals U2, and the first tap is drawn at centre 1/2 place of the first winding, and this first tap is as terminals U1;
Second winding, the head end of the second winding is terminals V, and the tail end of the second winding is terminals V2, and the second tap is drawn at centre 1/2 place of the second winding, and this second tap is as terminals V1;
The tertiary winding, the head end of the tertiary winding is terminals W, and the tail end of the tertiary winding is terminals W2, and the 3rd tap is drawn at centre 1/2 place of the tertiary winding, and the 3rd tap is as terminals W1;
When vehicle is in low rotation speed large torque operation, terminals U, terminals V are connected with the three-phase output end of electric machine controller respectively with terminals W, terminals U2, terminals V2 and terminals W2 short circuit, and terminals U1, terminals V1 and terminals W1 open a way;
When vehicle is in the operation of high rotating speed, terminals U, terminals V are connected with the three-phase output end of electric machine controller respectively with terminals W, terminals U1, terminals V1 and terminals W1 short circuit.
Further in order to when vehicle high-speed runs, save the energy dissipation of other half winding, it is made to coordinate electronic unit to charge a battery again as generator windings, this double-speed double-action power brushless electric machine also comprises inverter, when vehicle is in the operation of high rotating speed, described terminals U2, terminals V2 are connected with the input of inverter respectively with terminals W2, and the output of inverter is connected with battery terminal again.
Further, the first winding and/or the second winding and/or the tertiary winding are made up of the stator coil that two are serially connected.
After have employed technique scheme, tap is drawn at three winding 1/2 places of double-speed double-action power brushless electric machine of the present utility model, vehicle needs to use whole group of winding when low rotation speed large torque runs, need only to use half group of winding when high rotating speed runs, other half group of winding coordinates electronic unit to charge a battery as generator windings, pass through switching coil, motor has motor characteristic when low speed and high speed simultaneously, thus motor high-efficiency operation can be kept, the motor feels hot in reduction, improves motor reliability.
Accompanying drawing explanation
Fig. 1 is the structural representation of double-speed double-action power brushless electric machine of the present utility model.
Embodiment
In order to make content of the present utility model more easily be clearly understood, below according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail.
As shown in Figure 1, a kind of double-speed double-action power brushless electric machine, it has:
The head end of the first winding 1, first winding 1 is terminals U, and the tail end of the first winding 1 is terminals U2, and the first tap is drawn at centre 1/2 place of the first winding (1), and this first tap is as terminals U1;
The head end of the second winding 2, second winding 2 is terminals V, and the tail end of the second winding 2 is terminals V2, and the second tap is drawn at centre 1/2 place of the second winding 1, and this second tap is as terminals V1;
The tertiary winding 3, the head end of the tertiary winding 3 is terminals W, and the tail end of the tertiary winding 3 is terminals W2, and the 3rd tap is drawn at centre 1/2 place of the tertiary winding 1, and the 3rd tap is as terminals W1;
When vehicle is in low rotation speed large torque operation, terminals U, terminals V are connected with the three-phase output end of electric machine controller respectively with terminals W, terminals U2, terminals V2 and terminals W2 short circuit, and terminals U1, terminals V1 and terminals W1 open a way;
When vehicle is in the operation of high rotating speed, terminals U, terminals V are connected with the three-phase output end of electric machine controller respectively with terminals W, terminals U1, terminals V1 and terminals W1 short circuit.
In order to when vehicle high-speed runs, save the energy dissipation of other half winding, it is made to coordinate electronic unit to charge a battery again as generator windings, double-speed double-action power brushless electric machine also comprises inverter, when vehicle is in the operation of high rotating speed, described terminals U2, terminals V2 are connected with the input of inverter respectively with terminals W2, and the output of inverter is connected with accumulator pole again.
First winding 1 and/or the second winding 2 and/or the tertiary winding 3 are made up of the stator coil that two are serially connected, and the tap of drawing respectively is in the centre of corresponding two stator coils.
Operation principle of the present utility model is as follows:
Tap is drawn at three winding 1/2 places of double-speed double-action power brushless electric machine of the present utility model, vehicle needs to use whole group of winding when low rotation speed large torque runs, need only to use half group of winding when high rotating speed runs, other half group of winding coordinates electronic unit to charge a battery as generator windings, by switching coil, motor has motor characteristic when low speed and high speed simultaneously, thus can keep motor high-efficiency operation, the motor feels hot in reduction, improves motor reliability.
Above-described specific embodiment; technical problem, technical scheme and beneficial effect that the utility model solves are further described; be understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (3)
1. a double-speed double-action power brushless electric machine, is characterized in that, it has:
First winding (1), the head end of described first winding (1) is terminals U, and the tail end of the first winding (1) is terminals U2, and the first tap is drawn at centre 1/2 place of the first winding (1), and this first tap is as terminals U1;
Second winding (2), the head end of described second winding (2) is terminals V, and the tail end of the second winding (2) is terminals V2, and the second tap is drawn at centre 1/2 place of the second winding (1), and this second tap is as terminals V1;
The tertiary winding (3), the head end of the described tertiary winding (3) is terminals W, and the tail end of the tertiary winding (3) is terminals W2, and the 3rd tap is drawn at centre 1/2 place of the tertiary winding (1), and the 3rd tap is as terminals W1;
When vehicle is in low rotation speed large torque operation, terminals U, terminals V are connected with the three-phase output end of electric machine controller respectively with terminals W, terminals U2, terminals V2 and terminals W2 short circuit, and terminals U1, terminals V1 and terminals W1 open a way;
When vehicle is in the operation of high rotating speed, terminals U, terminals V are connected with the three-phase output end of electric machine controller respectively with terminals W, terminals U1, terminals V1 and terminals W1 short circuit.
2. double-speed double-action power brushless electric machine according to claim 1, it is characterized in that: also comprise inverter, when vehicle is in the operation of high rotating speed, described terminals U2, terminals V2 are connected with the input of inverter respectively with terminals W2, and the output of inverter is connected with battery terminal again.
3. double-speed double-action power brushless electric machine according to claim 1, is characterized in that: described the first winding (1) and/or the second winding (2) and/or the tertiary winding (3) are made up of the stator coil that two are serially connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520013628.5U CN204304652U (en) | 2015-01-09 | 2015-01-09 | Double-speed double-action power brushless electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520013628.5U CN204304652U (en) | 2015-01-09 | 2015-01-09 | Double-speed double-action power brushless electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204304652U true CN204304652U (en) | 2015-04-29 |
Family
ID=53110163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520013628.5U Expired - Fee Related CN204304652U (en) | 2015-01-09 | 2015-01-09 | Double-speed double-action power brushless electric machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204304652U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105591480A (en) * | 2016-03-18 | 2016-05-18 | 山东大学 | Stator winding self-coupling cascade doubly-fed generator and work method thereof |
-
2015
- 2015-01-09 CN CN201520013628.5U patent/CN204304652U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105591480A (en) * | 2016-03-18 | 2016-05-18 | 山东大学 | Stator winding self-coupling cascade doubly-fed generator and work method thereof |
| CN105591480B (en) * | 2016-03-18 | 2018-06-08 | 山东大学 | Stator winding autocoupling type tandem double-fed generator and its method of work |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205883097U (en) | Encourage switched reluctance generator transformer soon and press power converter | |
| CN101873097A (en) | Control method for implementing electronic commutation and four-quadrant operation of series excited motor, and device thereof | |
| CN202268840U (en) | Boosting power converter of switch magnetic resistance motor | |
| CN107364367A (en) | A kind of integrated motor driving and on-board charging system based on more excitation source motors | |
| CN103723027A (en) | Stepless speed regulating system for magnetic gear motor rotation | |
| CN203722441U (en) | Birotor magnetic gear motor used for hybrid vehicle | |
| CN204886620U (en) | Double-excitation winding energy-saving direct current motor | |
| CN102163946B (en) | Winding speed regulating device for AC (alternating current) permanent magnet synchronous motors | |
| CN201414030Y (en) | Connection structure for three phase direct current motor winding | |
| CN204304652U (en) | Double-speed double-action power brushless electric machine | |
| CN204408111U (en) | The DC frequency-changing motor that a kind of hybrid vehicle is special | |
| CN104935143B (en) | A kind of starter generator | |
| CN201781389U (en) | Dual-power hub-type DC motor structure | |
| CN201805396U (en) | Device for realizing electronic commutation and four-quadrant working of series motor | |
| CN201263102Y (en) | Stator winding of high speed DC brushless permanent magnet motor | |
| CN204465274U (en) | Three-power electric machine | |
| CN102611268A (en) | Double-speed brushless automobile motor | |
| Xu et al. | Characterization of advanced drive system for hybrid electric vehicles | |
| CN101662250B (en) | Energy storage type electric control driving system of workover rig | |
| CN103391030A (en) | Soft start circuit of motor | |
| CN104377927B (en) | A kind of derrick crane three fast threephase asynchronouses and derrick crane | |
| CN103094917A (en) | Low voltage ride through control method for full-power high-speed permanent synchronous fan | |
| CN208754089U (en) | A kind of machine winding switching device | |
| CN206590057U (en) | New type electric bicycle | |
| CN201263134Y (en) | Energy accumulation type electric-controlled drive device for well-mending machine |
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: 20150429 Termination date: 20190109 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |