CN105914946A - Vacuum-pump-equipped electrical excitation reluctance power generator used for light truck - Google Patents
Vacuum-pump-equipped electrical excitation reluctance power generator used for light truck Download PDFInfo
- Publication number
- CN105914946A CN105914946A CN201610256108.6A CN201610256108A CN105914946A CN 105914946 A CN105914946 A CN 105914946A CN 201610256108 A CN201610256108 A CN 201610256108A CN 105914946 A CN105914946 A CN 105914946A
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- rotor
- stator
- core
- stator poles
- unshakable
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/24—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos
Abstract
The invention provides a vacuum-pump-equipped electrical excitation reluctance power generator used for a light truck. The vacuum-pump-equipped electrical excitation reluctance power generator is composed of a shaft, a vacuum pump, a power generator shell, two rotor iron cores, excitation coils, two sets of armature coils, a stator iron core, a bearing and a belt pulley. The shaft directly drives the blades of the vacuum pump and provides negative pressure to a vacuum boosting system. The opposite end surfaces of the rotor iron cores fixed on the shaft are provided with a fan-shaped rotor pole. The stator iron core is arranged between the two rotor iron cores. The two end surfaces facing the rotor iron cores are provided with a fan-shaped protruding stator pole. Armature windings are wound on the stator poles. The stator iron core is provided with a groove every three first stator poles. The excitation coils are embedded in the grooves. According to the technology, integration of a disc type motor and the vacuum pump is realized firstly; then the rotors have no excitation winding so that the structure is simple and working is reliable; besides, the stator and the rotors have large contact area so that higher magnetic flux can be provided to enhance power of the power generator; and finally the two rotor iron cores can reduce torque pulsation by the method of angle staggering.
Description
Technical field
The present invention relates to the electrical excitation reluctance type electromotor of a kind of light card band vacuum pump, belong to car electrics technical field.
Background technology
After reform and opening-up, light card industry is along with the great development of Chinese automobile is also into developing rapidly the stage, and China also becomes light truck and manufactures big country.Though light card industry is part very important in China Automobile Industry and the important carrier of independent development capability, but technology content and the competitiveness of enterprise product are the most insufficient at present, need the more specific market analysis and corresponding technological development.Automobile current generator is as the main power source of automobile, and its function is when normal working of engine, powers to all electrical equipments, charges to accumulator simultaneously.The design of light card electromotor is a pith of its technological development.
The vacuum pump of vacuum servo energy and electromotor is provided to be to be arranged on car independently of one another to drive for light truck vehicle brake system at present, not only occupy space but also increase cost, the electromotor used, generally there is the phenomenon of low speed illuminating effect difference, and output is little, it is impossible to meet user and use requirement.Therefore, it is necessary to invent the high efficiency generator of a kind of light card band vacuum pump.
Disc type electric machine is short due to axial dimension, and profile is the most flat, and being particularly well-suited to installing space has the occasion of strict restriction.Therefore, the integrated motor of band vacuum pump can preferentially be selected disc type electric machine structure.In relevant patent, the application for a patent for invention of Application No. 201510765665.6: radial distribution three-phase disc type transverse flux permanent-magnet electromotor, it is proposed that the disk generator of double-stator structure.The rotor structure of this application, between two stator structures, embeds one piece of permanent magnet in two pieces of adjacent rotor cores, and three-phase annular armature winding is successively set in stator slot respectively, and the three-phase annular armature winding of two stator structures is connected.This application can be effectively reduced the axial length of motor, reduces the area of motor, effectively utilizes motor space, improve the utilization rate of permanent magnet, improve the power density of motor, but its rotor is embedded in permanent magnet and can be unfavorable for rotor high-speed rotation, reduces the mechanical strength of rotor.
Current existing related application mainly has an Application No.: the application for a patent for invention of 201310277469.5: a kind of disc type electric machine, a kind of disc type electric machine of this application is mainly made up of motor casing, stator core, stator winding, p-m rotor and permanent magnet.
The female thread that p-m rotor has female thread, armature spindle to have external screw thread to turn with permanent magnetism matches, p-m rotor can on armature spindle by screw thread rotation realize about move axially.This application has the position that p-m rotor is different on armature spindle, and motor has different effective air gap length and the feature of output characteristics.
The technology of the present invention is the most different from such scheme.The electrical excitation reluctance type generator shaft of the light card band vacuum pump of the present invention directly drives the blade of vacuum pump, provides negative pressure for vacuum boost system.Use disc type electric machine structure, the first rotor centre unshakable in one's determination and the second rotor core is stator core, stator core is fixed on generator casing, and the first stator poles and the second stator poles are alignd in the axial direction, the first rotor mechanical angle staggered in the axial direction with the second rotor core unshakable in one's determination is 360/8N degree.
Applicant not yet retrieves the relevant report about using above-mentioned technology at present.
First the technology of the present invention achieves the integrated of disc type electric machine and vacuum pump.Secondly rotor is without Exciting Windings for Transverse Differential Protection, simple in construction, reliable operation.It addition, rotor contact surface is big, bigger magnetic flux therefore can be provided to improve the power of electromotor.Latter two rotor core can be by the method for offset angular to reduce torque pulsation.
Summary of the invention
In order to invent the electrical excitation reluctance type electromotor of a kind of light card band vacuum pump, it is achieved that disc type electric machine and vacuum pump integrated, and having simple in construction, reliable operation, power advantages of higher, the present invention adopts the following technical scheme that
The light card electrical excitation reluctance type electromotor of band vacuum pump, it is characterised in that:
It is made up of axle (1), vacuum pump, generator casing (6), the first rotor (7), magnet exciting coil (8) unshakable in one's determination, the first armature coil (9), stator core (10), the second armature coil (11), the second rotor core (12), drive end bearing bracket (13), bearing (14) and belt pulley (16)；
Axle (1) directly drives the blade of vacuum pump, provides negative pressure for vacuum boost system；
The centre of axle (1) is fixed with the first rotor (7) and second rotor core (12) unshakable in one's determination of disc type, and the end face that the first rotor (7) unshakable in one's determination is relative with the second rotor core (12) has the rotor pole of sector；
It is natural number that the first rotor (7) unshakable in one's determination and the second rotor core (12) end face upper rotor part pole number are all 4N, N；
The centre of the first rotor (7) unshakable in one's determination and the second rotor core (12) is stator core (10), stator core (10) is fixed on generator casing (6), stator core (10) has fan-shaped the first stator poles protruded towards the one side of the first rotor (7) unshakable in one's determination, and each first stator poles is wound with first armature coil (9)；Stator core (10) has fan-shaped the second stator poles protruded towards the one side of the second rotor core (12), and each second stator poles is wound with second armature coil (11)；It is all first armature coil (9) of centralized winding and the second armature coil (11) all around axial coiling；Synchronous first armature coil (9) and the second armature coil (11) serial or parallel connection can form a phase winding；
The number of the first stator poles and the second stator poles is all 6N；
Stator core (10) has a groove every 3 the first stator poles, groove is embedded with magnet exciting coil (8), magnet exciting coil (8) is in opposite direction across three the first stator poles coilings and adjacent magnet exciting coil (8) coiling, is parallel to axle (1) around the magnet exciting coil (8) made.
The light card electrical excitation reluctance type electromotor of band vacuum pump as above, it is characterised in that:
First stator poles and the second stator poles are alignd in the axial direction；
The mechanical angle that the first rotor (7) unshakable in one's determination and the second rotor core (12) are staggered in the axial direction is 360/8N degree.
Beneficial effects of the present invention is as follows:
(1) technology of the present invention achieves the integrated, while the electric current produced as electromotor of disc type electric machine and vacuum pump, it is possible to provide negative pressure for vacuum boost system；
(2) being wound with Exciting Windings for Transverse Differential Protection in stator core, stator poles is wound with armature winding, therefore rotor is without Exciting Windings for Transverse Differential Protection, simple in construction, reliable operation, can realize high-speed rotation；
(3) utilizing disc type electric machine structure, rotor contact surface is big, and bigger magnetic flux therefore can be provided to improve the power of electromotor；
(4) angle that unshakable in one's determination by the first rotor and the second rotor core is staggered in the axial direction realizes reducing the function of torque pulsation.
Accompanying drawing explanation
Fig. 1 is the sectional side elevation of the electrical excitation reluctance type electromotor of the present invention gently card band vacuum pump.Wherein: 1, axle, 2, vacuum pump case, 3, vacuum pump vanes, 4, vacuum pump cover, 5, vacuum pump bolt, 6, generator casing, 7, the first rotor is unshakable in one's determination, and 8, magnet exciting coil, the 9, first armature coil, 10, stator core, the 11, second armature coil, the 12, second rotor core, 13, drive end bearing bracket, 14, bearing, 15, fan, 16, belt pulley.
Fig. 2 is the stator side view of the electrical excitation reluctance type electromotor of the present invention gently card band vacuum pump.Wherein: 1, axle, 8, magnet exciting coil, the 9, first armature coil, 10, stator core.
Fig. 3 is the winding technique directional diagram during stator vertical profile of the electrical excitation reluctance type electromotor of the present invention gently card band vacuum pump.Wherein: 1, axle, 7, the first rotor unshakable in one's determination, 8, magnet exciting coil, the 9, first armature coil, 10, stator core, the 11, second armature coil, the 12, second rotor core.
Fig. 4 is the rotor core side view of the electrical excitation reluctance type electromotor of the present invention gently card band vacuum pump.Wherein: 1, axle, 7, the first rotor unshakable in one's determination, 17, rotor pole.
Detailed description of the invention
Below in conjunction with the accompanying drawings the invention is described in further details.
Fig. 1 is the sectional side elevation of the electrical excitation reluctance type electromotor of the present invention gently card band vacuum pump.As shown in the figure, the light card electrical excitation reluctance type electromotor of band vacuum pump, is made up of axle (1), vacuum pump, generator casing (6), the first rotor (7), magnet exciting coil (8) unshakable in one's determination, the first armature coil (9), stator core (10), the second armature coil (11), the second rotor core (12), drive end bearing bracket (13), bearing (14) and belt pulley (16).Axle (1) directly drives the blade of vacuum pump, provides negative pressure for vacuum boost system；The centre of axle (1) is fixed with the first rotor (7) and second rotor core (12) unshakable in one's determination of disc type, the centre of the first rotor (7) unshakable in one's determination and the second rotor core (12) is stator core (10), and stator core (10) is fixed on generator casing (6).
The end face that the first rotor (7) unshakable in one's determination is relative with the second rotor core (12) has the rotor pole of sector；Stator core (10) has fan-shaped the first stator poles protruded towards the one side of the first rotor (7) unshakable in one's determination, and each first stator poles is wound with first armature coil (9), and coiling direction is perpendicular to axle (1)；Stator core (10) has fan-shaped the second stator poles protruded towards the one side of the second rotor core (12), and each second stator poles is wound with second armature coil (9)；Stator core (10) has a groove every 3 the first stator poles, and groove is embedded with magnet exciting coil (8), is parallel to axle (1) around the magnet exciting coil (8) made；First stator poles and the second stator poles are alignd in the axial direction.
Fig. 2 is the stator side view of the electrical excitation reluctance type electromotor of the present invention gently card band vacuum pump.As shown in the figure, stator core (10) has fan-shaped the first stator poles protruded towards the one side of the first rotor (7) unshakable in one's determination, first armature coil (9) it is wound with in each first stator poles, coiling direction is perpendicular to axle (1), synchronous armature coil serial or parallel connection can form a phase winding, and is all centralized winding；Stator core (10) has a groove every 3 the first stator poles, groove is embedded with magnet exciting coil (8), magnet exciting coil (8) is in opposite direction across three the first stator poles coilings and adjacent magnet exciting coil (8) coiling, is parallel to axle (1) around the magnet exciting coil (8) made.
Fig. 3 is the winding technique directional diagram during stator vertical profile of the electrical excitation reluctance type electromotor of the present invention gently card band vacuum pump.As shown in the figure: the centre of the first rotor (7) unshakable in one's determination and the second rotor core (12) is stator core (10), stator core (10) is fixed on generator casing (6), first armature coil (9) it is wound with in each first stator poles, being wound with second armature coil (9) in each second stator poles, the coiling direction of the first armature coil (9) and the second armature coil (11) is perpendicular to axle (1).Magnet exciting coil (8) is in opposite direction across three the first stator poles coilings and adjacent magnet exciting coil (8) coiling, is parallel to axle (1) around the magnet exciting coil (8) made.First stator poles and the second stator poles are alignd in the axial direction；The mechanical angle that the first rotor (7) unshakable in one's determination and the second rotor core (12) are staggered in the axial direction is 360/8N degree.In the present embodiment, N=1.
Fig. 4 is the rotor core side view of the electrical excitation reluctance type electromotor of the present invention gently card band vacuum pump.The first rotor and the second rotor structure are identical, introduce its structure as a example by the first rotor.As shown in the figure, the first rotor that the centre of axle (1) is fixed with disc type is unshakable in one's determination to (7), the end face that the first rotor (7) unshakable in one's determination is relative with the second rotor core (12) has the rotor pole of sector, the first rotor (7) end face upper rotor part pole unshakable in one's determination number is 4, the most in the present embodiment, N=1.
The explanation of electrical excitation reluctance type generator operation principle to the light card band vacuum pump that the present invention proposes below.
Rotor rotates along with axle, and when rotor pole slips into the stator poles at a phase armature winding place, the magnetic linkage of this phase armature winding increases；When rotor pole skids off the stator poles at a phase armature winding place, the magnetic linkage of this phase armature winding reduces.The magnetic linkage of threephase armature winding is continually changing along with the rotation of axle, can induce three-phase alternating voltage.In this process, the angle that unshakable in one's determination by the first rotor and the second rotor core is staggered in the axial direction realizes reducing the function of torque pulsation.
While axle rotor driven rotates, axle directly drives the blade of vacuum pump, and therefore while electromotor produces three-phase alternating current, vacuum pump provides negative pressure for vacuum boost system.
It is to be noted; the above; it is only the detailed description of the invention of the present invention; but protection scope of the present invention is not limited thereto; any those familiar with the art is in the technical scope that the invention discloses; the variations and alternatives that can readily occur in, all should contain within the scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with described scope of the claims.
Claims (2)
1. the light card electrical excitation reluctance type electromotor of band vacuum pump, it is characterised in that:
It is made up of axle (1), vacuum pump, generator casing (6), the first rotor (7), magnet exciting coil (8) unshakable in one's determination, the first armature coil (9), stator core (10), the second armature coil (11), the second rotor core (12), drive end bearing bracket (13), bearing (14) and belt pulley (16)；
Axle (1) directly drives the blade of vacuum pump, provides negative pressure for vacuum boost system；
The centre of axle (1) is fixed with the first rotor (7) and second rotor core (12) unshakable in one's determination of disc type, and the end face that the first rotor (7) unshakable in one's determination is relative with the second rotor core (12) has the rotor pole of sector；
It is natural number that the first rotor (7) unshakable in one's determination and the second rotor core (12) end face upper rotor part pole number are all 4N, N；
The centre of the first rotor (7) unshakable in one's determination and the second rotor core (12) is stator core (10), stator core (10) is fixed on generator casing (6), stator core (10) has fan-shaped the first stator poles protruded towards the one side of the first rotor (7) unshakable in one's determination, and each first stator poles is wound with first armature coil (9)；Stator core (10) has fan-shaped the second stator poles protruded towards the one side of the second rotor core (12), and each second stator poles is wound with second armature coil (11)；It is all first armature coil (9) of centralized winding and the second armature coil (11) all around axial coiling；Synchronous first armature coil (9) and the second armature coil (11) serial or parallel connection can form a phase winding；
The number of the first stator poles and the second stator poles is all 6N；
Stator core (10) has a groove every 3 the first stator poles, groove is embedded with magnet exciting coil (8), magnet exciting coil (8) is in opposite direction across three the first stator poles coilings and adjacent magnet exciting coil (8) coiling, is parallel to axle (1) around the magnet exciting coil (8) made.
2. the light card electrical excitation reluctance type electromotor of band vacuum pump as claimed in claim 1, it is characterised in that:
First stator poles and the second stator poles are alignd in the axial direction, and the mechanical angle that the first rotor (7) unshakable in one's determination and the second rotor core (12) are staggered in the axial direction is 360/8N degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610256108.6A CN105914946B (en) | 2016-04-25 | 2016-04-25 | Electrical excitation reluctance type generator of the light truck with vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610256108.6A CN105914946B (en) | 2016-04-25 | 2016-04-25 | Electrical excitation reluctance type generator of the light truck with vacuum pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105914946A true CN105914946A (en) | 2016-08-31 |
| CN105914946B CN105914946B (en) | 2018-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610256108.6A Active CN105914946B (en) | 2016-04-25 | 2016-04-25 | Electrical excitation reluctance type generator of the light truck with vacuum pump |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1913290A (en) * | 2006-08-23 | 2007-02-14 | 南京航空航天大学 | Radial magnet steel double salient-pole mixed excitation electric machine |
| CN102355102A (en) * | 2011-09-30 | 2012-02-15 | 山东理工大学 | Disc type double-rotor generator for electric automobile range extenders |
| CN103501092A (en) * | 2013-10-12 | 2014-01-08 | 山东理工大学 | Electric excitation brushless generator for vehicle |
-
2016
- 2016-04-25 CN CN201610256108.6A patent/CN105914946B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1913290A (en) * | 2006-08-23 | 2007-02-14 | 南京航空航天大学 | Radial magnet steel double salient-pole mixed excitation electric machine |
| CN102355102A (en) * | 2011-09-30 | 2012-02-15 | 山东理工大学 | Disc type double-rotor generator for electric automobile range extenders |
| CN103501092A (en) * | 2013-10-12 | 2014-01-08 | 山东理工大学 | Electric excitation brushless generator for vehicle |
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| CN105914946B (en) | 2018-06-08 |
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Inventor after: Guo Yingzhi Inventor after: Shi Liwei Inventor after: Li Ruichuan Inventor after: Wang Dexin Inventor after: Gao Qiang Inventor after: Niu Xingcheng Inventor after: Zhang Xueyi Inventor before: Shi Liwei Inventor before: Wang Dexin Inventor before: Guo Yingzhi Inventor before: Gao Qiang Inventor before: Niu Xingcheng Inventor before: Zhang Xueyi |
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