CN202190200U - Magnet exciting coil of automobile alternating-current generator with brush - Google Patents
Magnet exciting coil of automobile alternating-current generator with brush Download PDFInfo
- Publication number
- CN202190200U CN202190200U CN2011203419470U CN201120341947U CN202190200U CN 202190200 U CN202190200 U CN 202190200U CN 2011203419470 U CN2011203419470 U CN 2011203419470U CN 201120341947 U CN201120341947 U CN 201120341947U CN 202190200 U CN202190200 U CN 202190200U
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- CN
- China
- Prior art keywords
- magnet exciting
- exciting coil
- current generator
- automobile
- plastic skeleton
- 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
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Abstract
The utility model discloses a magnet exciting coil of an automobile alternating-current generator with a brush, which comprises a plastic framework and a winding enamelled wire, wherein the upper end surface and the lower end surface of the plastic framework are respectively provided with a plurality of paint inlet slots, a plurality of uniformly-distributed axial rib strips are arranged on the surface of the outer diameter of a wire groove of the plastic framework, and a plurality of axial raised ribs are arranged on the surface of an inner hole of the plastic framework. By adopting the magnet exciting coil of the automobile alternating-current generator with the brush, the line breakage of the winding enamelled wire of the magnet exciting coil can be reduced, so that the normal work of the generator can be ensured.
Description
Technical field
The utility model relates to AC generator for vehicle and the engineering machinery excavator has brush alternating current generator field, and relating in particular to automobile has brush alternating current generator and engineering machinery excavator that the magnet exciting coil of brush alternating current generator is arranged.
Background technology
Because automobile current generator dress its transmission of power onboard is connected with automobile engine through the power adhesive tape; So the rotor of (or in work) generator can be because of sudden turn of events speed when on the way going; High vibration; A variety of causes such as top load impact and the situation of the magnet exciting coil winding enamelled wire broken string in the rotor takes place does not have exciting current to pass through just can not produce magnetic field flux in the excitation winding, generator can not generate electricity and just can not supply power to automobile.
The utility model content
The problem that the utility model will solve provides a kind of automobile has brush alternating current generator magnet exciting coil, overcoming in the prior art because of sudden turn of events speed, and high vibration, a variety of causes such as top load impact and the defective of the magnet exciting coil winding enamelled wire broken string in the rotor takes place.
For achieving the above object, the utility model provides a kind of automobile that the magnet exciting coil of brush alternating current generator is arranged, and said coil comprises plastic skeleton and winding enamelled wire; Two of said plastic skeletons both ends of the surface up and down respectively are provided with somely to advance paint bath, be provided with some axial ribs of being evenly distributed and be provided with some axial convex tendons at the plastic skeleton bore area at plastic skeleton wire casing external diameter surface.
Further, said plastic skeleton upper surface is provided with the paint bath that advances of symmetry.
Further, the lower surface of said plastic skeleton is provided with the paint bath that advances that is evenly distributed.
Further, the both sides, upper surface of said plastic skeleton respectively are provided with inlet wire wrapping post and outlet wrapping post.
Further, said plastic skeleton wire casing external diameter surface is provided with 4 axial ribs that are evenly distributed.
Further, said plastic skeleton bore area is provided with 4 axial convex tendons.
Compared with prior art, the technical scheme of the utility model has the following advantages:
Adopt such structure, reduce the generation of magnet exciting coil enamelled wire broken string.
Description of drawings
Fig. 1 has the structure chart of the magnet exciting coil of brush alternating current generator for a kind of automobile of the utility model.
Fig. 2 has the last cross-section structure of the magnet exciting coil of brush alternating current generator for a kind of automobile of the utility model.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the embodiment of the utility model is described in further detail.Following examples are used to explain the utility model, but are not used for limiting the scope of the utility model.
Like Fig. 1, shown in Figure 2, a kind of automobile of the utility model has the magnet exciting coil of brush alternating current generator, and said coil comprises plastic skeleton 9 and winding enamelled wire; Said plastic skeleton 9 upper surfaces 2 and lower surfaces 1, upper surface 2 are provided with 4 and advance paint bath 5 with center of circle symmetry and the upper surface that is evenly distributed, and lower surface 1 is provided with 6 and advances paint bath 6 with center of circle symmetry and the lower surface that is evenly distributed; Said upper surface 1 is provided with inlet wire wrapping post 7 and outlet coiling pillar 8.4 upper surfaces above the upper surface 2 advance paint bath 5 and 6 lower surfaces of lower surface 1 advance paint bath 6 all corresponding yoke portion groove between two pawls of the pawl utmost point; When the dipping lacquer operation is rolled in entering; Let two component epoxy lacquer is as much as possible to flow to coil windings inside through yoke portion groove between pawl utmost point pawl; After 140 ℃ of hyperthermia dryings solidify, be solidified into an integral body to the enamelled wire in the winding firmly.Thereby solved the inner enamelled wire of winding effectively and caused the inner significant deficiency that afterwards breaks of becoming flexible earlier because of the adhesive solidification effect that does not flow to epoxy-based lacquers.In order to guarantee the thermal stability of plastic skeleton 9, adopt Reinforced Nylon 66, strengthen short glass fiber and be 30% and be the material of injection moulding skeleton, make plastics coil holder heat resisting temperature reach indeformable more than 180 ℃; The injection moulding of plastic skeleton 9 adopts hot water and steam to boil technology 3 hours, again natural cooling.Can make plastic skeleton have excellent toughness and other intensity mechanical performances like this.Be provided with 4 axial ribs 3 that are evenly distributed at plastic skeleton 9 wire casing external diameter surfaces; Can make after the pitch of the laps coiling and produce a non-tangential direction moment between the winding and plastic skeleton 9; Effectively prevent relatively rotating between winding and the plastic skeleton 9, prevent the winding broken string of this type of reason; 4 axial convex tendons 4 that said plastic skeleton 9 bore areas are provided with, one of which is the operability that pawl polar curve circle is press-fited operation in order to improve, and reduces the operation scrappage, enhances productivity; Because generally all can cause plastic skeleton 9 endoporus to shrink behind the coil winding diminishes; Mutual matching allowance increases when making pawl extreme pressure inlet wire circle; Press-fiting difficulty increases, if the magnitude of interference that cooperates greatly to a certain degree the time plastic skeleton 9 of coil can break, coil can take place to collapse and cause and scrap.Wide 4 millimeters through hole increase within it after plastic skeleton 9 being carried out improvement design with 4; Protrusion surface is uniformly distributed with axial convex tendon 4 for 0.3 millimeter, owing to be axially to be uniformly distributed with convex tendon 4 to exceed bore area, touches with the yoke outer round surface of the pawl utmost point at first when press-fiting; Significantly reduced the contact area of pawl utmost point yoke outer round surface and coil endoporus when press-fiting; Reduced and press-fited resistance, guaranteed the Distribution and localization of relative position between the coil and the pawl utmost point, improved the operation qualification rate.They are two years old; Having 4 in the coil endoporus, axially to be uniformly distributed with convex tendon 4 effect be the moment right and wrong tangential side that when generator amature rotates, produces between coil and the pawl utmost point after press-fiting; Can effectively stop relatively rotating between the coil and the pawl utmost point, prevent this type of reason broken string of coil windings.Its three exist because the metal cutting of the pawl utmost point is processed with mismachining tolerance, plastic skeleton 9 also because of season climatic environment change to produce to a certain degree and be out of shape, but have the effect of the axial convex tendon 4 distribution of plastic skeletons of endoporus 9 its axial convex tendons can compensate these composition errors.Solved the problem of often frequently adjusting with fore paw utmost point processing dimension, improved production efficiency because of plastic skeleton 9 endoporus instability.
Adopt such structure, reduce the generation of magnet exciting coil enamelled wire broken string.
The above only is the preferred implementation of the utility model; Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model know-why, can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection range of the utility model.
Claims (6)
1. an automobile has the magnet exciting coil of brushing alternating current generator, and it is characterized in that: said coil comprises plastic skeleton and winding enamelled wire; Two of said plastic skeletons both ends of the surface up and down respectively are provided with somely to advance paint bath, be provided with some axial ribs of being evenly distributed and be provided with some axial convex tendons at the plastic skeleton bore area at plastic skeleton wire casing external diameter surface.
2. automobile as claimed in claim 1 has the magnet exciting coil of brush alternating current generator, it is characterized in that: said plastic skeleton upper surface is provided with the paint bath that advances of symmetry.
3. automobile as claimed in claim 1 has the magnet exciting coil of brush alternating current generator, and it is characterized in that: the lower surface of said plastic skeleton is provided with the paint bath that advances that is evenly distributed.
4. automobile as claimed in claim 1 has the magnet exciting coil of brush alternating current generator, and it is characterized in that: the both sides, upper surface of said plastic skeleton respectively are provided with inlet wire wrapping post and outlet wrapping post.
5. automobile as claimed in claim 1 has the magnet exciting coil of brush alternating current generator, and it is characterized in that: said plastic skeleton wire casing external diameter surface is provided with 4 axial ribs that are evenly distributed.
6. automobile as claimed in claim 1 has the magnet exciting coil of brush alternating current generator, and it is characterized in that: said plastic skeleton bore area is provided with 4 axial convex tendons.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203419470U CN202190200U (en) | 2011-09-07 | 2011-09-07 | Magnet exciting coil of automobile alternating-current generator with brush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203419470U CN202190200U (en) | 2011-09-07 | 2011-09-07 | Magnet exciting coil of automobile alternating-current generator with brush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202190200U true CN202190200U (en) | 2012-04-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203419470U Expired - Fee Related CN202190200U (en) | 2011-09-07 | 2011-09-07 | Magnet exciting coil of automobile alternating-current generator with brush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202190200U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103985498A (en) * | 2014-04-22 | 2014-08-13 | 四川华都核设备制造有限公司 | Electromagnetic coil device and production process thereof |
| CN107896012A (en) * | 2017-11-23 | 2018-04-10 | 珠海格力节能环保制冷技术研究中心有限公司 | Insulation framework, brake stator and motor |
| CN108365686A (en) * | 2018-04-17 | 2018-08-03 | 聊城市诺德汽车零部件制造有限公司 | A kind of A.C. brushless synchronous generator coil holder and its manufacture craft |
| CN109149809A (en) * | 2018-08-31 | 2019-01-04 | 田振荣 | A kind of axial direction excitation rotor |
| CN112166540A (en) * | 2018-06-05 | 2021-01-01 | Bsh家用电器有限公司 | Electric drive motor, wet rotor pump and household appliance |
| CN112737277A (en) * | 2020-12-30 | 2021-04-30 | 青岛理工大学 | Magnetic suspension inertial actuator capable of reducing eddy current effect and method |
-
2011
- 2011-09-07 CN CN2011203419470U patent/CN202190200U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103985498A (en) * | 2014-04-22 | 2014-08-13 | 四川华都核设备制造有限公司 | Electromagnetic coil device and production process thereof |
| CN103985498B (en) * | 2014-04-22 | 2017-02-01 | 喻杰 | Electromagnetic coil production process |
| CN107896012A (en) * | 2017-11-23 | 2018-04-10 | 珠海格力节能环保制冷技术研究中心有限公司 | Insulation framework, brake stator and motor |
| CN108365686A (en) * | 2018-04-17 | 2018-08-03 | 聊城市诺德汽车零部件制造有限公司 | A kind of A.C. brushless synchronous generator coil holder and its manufacture craft |
| CN112166540A (en) * | 2018-06-05 | 2021-01-01 | Bsh家用电器有限公司 | Electric drive motor, wet rotor pump and household appliance |
| CN109149809A (en) * | 2018-08-31 | 2019-01-04 | 田振荣 | A kind of axial direction excitation rotor |
| CN112737277A (en) * | 2020-12-30 | 2021-04-30 | 青岛理工大学 | Magnetic suspension inertial actuator capable of reducing eddy current effect and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120411 Termination date: 20120907 |