CN101951076A - Bracket assembly of exciter rotor of aero alternator - Google Patents
Bracket assembly of exciter rotor of aero alternator Download PDFInfo
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- CN101951076A CN101951076A CN2010102809277A CN201010280927A CN101951076A CN 101951076 A CN101951076 A CN 101951076A CN 2010102809277 A CN2010102809277 A CN 2010102809277A CN 201010280927 A CN201010280927 A CN 201010280927A CN 101951076 A CN101951076 A CN 101951076A
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- tube support
- rectifying tube
- base plate
- inner cylinder
- rectifier
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Abstract
The invention belongs to a technology of aero motor design, relating to the improvement of an exciter rotor structure of an aero three-level alternator. The exciter rotor structure consists of a rotor bracket (1), three rectifier components (2) and two collector rings (3), and is characterized in that a rectifier tube bracket (2b) consists of a rectangular base plate and a pressure plate which are made from an insulating material and are in the same size; the base plate and the pressure plate are connected into a whole by a rivet or a screw; the upper end of the rectifier tube bracket (2b) is embedded into the inner groove of an outer cylinder and is fixed through a screw; and the lower end of the rectifier tube bracket (2b) is embedded into the outer groove of an inner cylinder and is fixed through a screw. In the invention, the bracket assembly has small volume and high heat dissipation efficiency, and the rectifier tube bracket not only is a carrier for fixing a rectifier diode but also plays the role of an axial fan, thereby improving the ventilation of the bracket assembly and the heat dissipation efficiency and reducing the size and weight of the exciter rotor.
Description
Technical field
The invention belongs to the aero dynamo designing technique, relate to improvement three grades of alternating current generator exciter rotors of aviation structure.
Background technology
Three grades of alternating current generators of aviation (rotor of three grades of motors is installed on the same hollow shaft) are for satisfying customer requirements: motor is outer through having only 220 millimeters, ventilation and heat becomes the key issue of motor, and especially the design of motor excitation machine rotor will consider that promptly air permeability takes into account rotating rectifier again fail safe is installed.Existing aviation alternator exciter rotor bracket component is made up of rotor field spider, 3 rectifier stacks and 2 collector rings.Rotor field spider is a double-layer coaxial cylinder, and 3 radially dowels that are uniformly distributed along the circumference are arranged between inner cylinder and outer cylinder, and inner cylinder and outer cylinder are connected to integral body.Each fixes a collector ring coaxially by screw on the front/rear end of inner cylinder, and the collector ring that is positioned at the inner cylinder front end face is anodal collector ring, and the collector ring that is positioned at the inner cylinder rear end face is the negative pole collector ring.Rectifier stack by two rectifier diodes and fixedly the rectifying tube support of rectifier diode form, 3 rectifier stacks lay respectively at adjacent two radially in 3 fan-shaped cavities between the dowel.The positive pole of first rectifier diode on each rectifier stack is connected with the end of a thread of corresponding windings, the negative pole of first rectifier diode is connected with the negative pole collector ring, the positive pole of second rectifier diode on each rectifier stack is connected with the line tail of corresponding windings, and the positive pole of second rectifier diode is connected with anodal collector ring.The rectifying tube support is an arc plate, two rectifier diodes at the rectifying tube support along circumferential arrangement.Its shortcoming is: the volume of rectifier stack is big, adds fixed connecting piece, has occupied most of space of fan-shaped cavity, gas channel is diminished, increased flow resistance, reduced radiating efficiency, force the volume of rotor field spider to increase, thereby increased the volume and weight of exciter rotor.
Summary of the invention
The objective of the invention is: propose the aviation alternator exciter rotor bracket component that a kind of volume is little, radiating efficiency is high,, dwindle the volume and weight of exciter rotor to improve its air permeability.
Technical scheme of the present invention is: aviation alternator exciter rotor bracket component, and it is made up of rotor field spider, 3 rectifier stacks and 2 collector rings; Rotor field spider is a double-layer coaxial cylinder, 3 radially dowels that are uniformly distributed along the circumference are arranged between inner cylinder and outer cylinder, inner cylinder and outer cylinder are connected to integral body, each fixes a collector ring coaxially by screw on the front/rear end of inner cylinder, the collector ring that is positioned at the inner cylinder front end face is anodal collector ring, the collector ring that is positioned at the inner cylinder rear end face is the negative pole collector ring, rectifier stack by two rectifier diodes and fixedly the rectifying tube support of rectifier diode form, 3 rectifier stacks lay respectively at adjacent two radially in 3 fan-shaped cavities between the dowel, the positive pole of first rectifier diode on each rectifier stack is connected with the end of a thread of corresponding windings, the negative pole of first rectifier diode is connected with the negative pole collector ring, the positive pole of second rectifier diode on each rectifier stack is connected with the line tail of corresponding windings, and the positive pole of second rectifier diode is connected with anodal collector ring; It is characterized in that: said rectifying tube support is made by two blocks of insulating material, rectangular base plate that size equates and pressing plate are formed, two base plate installing holes and at least one fairlead are arranged on the plate face of base plate, two base plate installing holes are arranged along the length direction of base plate, the end of thread of rectifier diode is fixed on the base plate by nut after passing the base plate installing hole, the pressing plate installing hole that the step corresponding with the base plate position of mounting hole also arranged on the pressing plate, the large diameter hole of pressing plate installing hole is positioned at pressing plate on the plate face of base plate, the large diameter hole of pressing plate installing hole holds the body part of rectifier diode, and the welding ends of rectifier diode passes from the small diameter bore of pressing plate installing hole; Base plate and pressing plate are connected to integral body by rivet or screw; The length of rectifying tube support has tapped blind hole greater than the radial width of fan-shaped cavity and less than the radial distance from the external cylindrical surface of inner cylinder to the outer cylinder external cylindrical surface at the base plate of rectifying tube support and/or the two ends of pressing plate length direction; The rectifying tube support radially is placed in the fan-shaped cavity, on the inner cylinder face of outer cylinder, there is an axially extended outer cylinder inner groovy position corresponding with the outer end of rectifying tube support, the outer end of rectifying tube support embeds in the outer cylinder inner groovy, bottom land at the outer cylinder inner groovy has the outer cylinder screw hole, and rectifying tube support outer set screw passes above-mentioned outer cylinder screw hole and is screwed in the tapped blind hole of rectifying tube support outer end; On the external cylindrical surface of inner cylinder, groove outside the axially extended inner cylinder is arranged with the inner corresponding position of rectifying tube support, the inner of rectifying tube support embeds in the outer groove of inner cylinder, the bottom land of groove has the inner cylinder screw hole outside inner cylinder, and rectifying tube support internal fixation screw passes above-mentioned inner cylinder screw hole and is screwed in the tapped blind hole of rectifying tube support the inner.
Advantage of the present invention is: the volume of bracket component is little, radiating efficiency is high, the rectifying tube support is not only the fixedly carrier of rectifier diode, also plays the effect of aerofoil fan, has improved the air permeability of bracket component, improve radiating efficiency, thereby dwindled the volume and weight of exciter rotor.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the structural representation that revolves rectifier stack among the present invention.
Embodiment
Below the present invention is described in further details.Referring to Fig. 1,2, aviation alternator exciter rotor bracket component, it is made up of 1,3 rectifier stacks 2 of rotor field spider and 2 collector rings 3; Rotor field spider 1 is a double-layer coaxial cylinder, 3 radially dowel 1c that are uniformly distributed along the circumference are arranged between inner cylinder 1a and outer cylinder 1b, inner cylinder 1a and outer cylinder 1b are connected to integral body, each fixes a collector ring 3 coaxially by screw on the front/rear end of inner cylinder 1a, the collector ring 3 that is positioned at inner cylinder 1a front end face is anodal collector ring, the collector ring 3 that is positioned at inner cylinder 1a rear end face is the negative pole collector ring, rectifier stack 2 by two rectifier diode 2a and fixedly the rectifying tube support 2b of rectifier diode form, 3 rectifier stacks 2 lay respectively at adjacent two radially in 3 fan-shaped cavity 1d between the dowel 1c, the positive pole of first rectifier diode on each rectifier stack 2 is connected with the end of a thread of corresponding windings, the negative pole of first rectifier diode is connected with the negative pole collector ring, the positive pole of second rectifier diode on each rectifier stack 2 is connected with the line tail of corresponding windings, and the positive pole of second rectifier diode is connected with anodal collector ring; It is characterized in that: referring to Fig. 2, said rectifying tube support 2b is made by two blocks of insulating material, rectangular base plate that size equates and pressing plate are formed, two base plate installing holes and at least one fairlead are arranged on the plate face of base plate, two base plate installing holes are arranged along the length direction of base plate, the end of thread of rectifier diode 2a is fixed on the base plate by nut after passing the base plate installing hole, the pressing plate installing hole that the step corresponding with the base plate position of mounting hole also arranged on the pressing plate, the large diameter hole of pressing plate installing hole is positioned at pressing plate on the plate face of base plate, the large diameter hole of pressing plate installing hole holds the body part of rectifier diode 2a, and the welding ends of rectifier diode 2a passes from the small diameter bore of pressing plate installing hole; Base plate and pressing plate are connected to integral body by rivet or screw; The length of rectifying tube support 2b has tapped blind hole greater than the radial width of fan-shaped cavity 1d and less than the radial distance from the external cylindrical surface of inner cylinder 1a to outer cylinder 1b external cylindrical surface at the base plate of rectifying tube support 2b and/or the two ends of pressing plate length direction; Rectifying tube support 2b radially is placed in the fan-shaped cavity 1d, on the inner cylinder face of outer cylinder 1b, there is an axially extended outer cylinder inner groovy position corresponding with the outer end of rectifying tube support 2b, the outer end of rectifying tube support 2b embeds in the outer cylinder inner groovy, bottom land at the outer cylinder inner groovy has the outer cylinder screw hole, and rectifying tube support outer set screw passes in the tapped blind hole that above-mentioned outer cylinder screw hole is screwed into rectifying tube support 2b outer end; On the external cylindrical surface of inner cylinder 1a, groove outside the axially extended inner cylinder is arranged with the inner corresponding position of rectifying tube support 2b, the inner of rectifying tube support 2b embeds in the outer groove of inner cylinder, the bottom land of groove has the inner cylinder screw hole outside inner cylinder, and rectifying tube support internal fixation screw passes in the tapped blind hole that above-mentioned inner cylinder screw hole is screwed into rectifying tube support 2b the inner.
Rectifying tube support of the present invention is not only the fixedly carrier of rectifier diode, also plays the effect of aerofoil fan, makes the volume of rotor field spider little, the radiating efficiency height, thus dwindled the volume and weight of exciter rotor.
Claims (1)
1. aviation alternator exciter rotor bracket component, it is made up of rotor field spider [1], 3 rectifier stacks [2] and 2 collector rings [3]; Rotor field spider [1] is a double-layer coaxial cylinder, 3 radially dowels [1c] that are uniformly distributed along the circumference are arranged between inner cylinder [1a] and outer cylinder [1b], inner cylinder [1a] and outer cylinder [1b] are connected to integral body, each fixes a collector ring [3] coaxially by screw on the front/rear end of inner cylinder [1a], the collector ring [3] that is positioned at inner cylinder [1a] front end face is anodal collector ring, the collector ring [3] that is positioned at inner cylinder [1a] rear end face is the negative pole collector ring, rectifier stack [2] by two rectifier diodes [2a] and fixedly the rectifying tube support [2b] of rectifier diode form, 3 rectifier stacks [2] lay respectively at adjacent two radially in 3 fan-shaped cavities [1d] between the dowel [1c], the positive pole of first rectifier diode on each rectifier stack [2] is connected with the end of a thread of corresponding windings, the negative pole of first rectifier diode is connected with the negative pole collector ring, the positive pole of second rectifier diode on each rectifier stack [2] is connected with the line tail of corresponding windings, and the positive pole of second rectifier diode is connected with anodal collector ring; It is characterized in that: said rectifying tube support [2b] is made by two blocks of insulating material, rectangular base plate that size equates and pressing plate are formed, two base plate installing holes and at least one fairlead are arranged on the plate face of base plate, two base plate installing holes are arranged along the length direction of base plate, the end of thread of rectifier diode [2a] is fixed on the base plate by nut after passing the base plate installing hole, the pressing plate installing hole that the step corresponding with the base plate position of mounting hole also arranged on the pressing plate, the large diameter hole of pressing plate installing hole is positioned at pressing plate on the plate face of base plate, the large diameter hole of pressing plate installing hole holds the body part of rectifier diode [2a], and the welding ends of rectifier diode [2a] passes from the small diameter bore of pressing plate installing hole; Base plate and pressing plate are connected to integral body by rivet or screw; The length of rectifying tube support [2b] has tapped blind hole greater than the radial width of fan-shaped cavity [1d] and less than the radial distance from the external cylindrical surface of inner cylinder [1a] to outer cylinder [1b] external cylindrical surface at the base plate of rectifying tube support [2b] and/or the two ends of pressing plate length direction; Rectifying tube support [2b] radially is placed in the fan-shaped cavity [1d], on the inner cylinder face of outer cylinder [1b], there is an axially extended outer cylinder inner groovy position corresponding with the outer end of rectifying tube support [2b], the outer end of rectifying tube support [2b] embeds in the outer cylinder inner groovy, bottom land at the outer cylinder inner groovy has the outer cylinder screw hole, and rectifying tube support outer set screw passes in the tapped blind hole that above-mentioned outer cylinder screw hole is screwed into rectifying tube support [2b] outer end; On the external cylindrical surface of inner cylinder [1a], groove outside the axially extended inner cylinder is arranged with the inner corresponding position of rectifying tube support [2b], the inner of rectifying tube support [2b] embeds in the outer groove of inner cylinder, the bottom land of groove has the inner cylinder screw hole outside inner cylinder, and rectifying tube support internal fixation screw passes above-mentioned inner cylinder screw hole and is screwed in the inner tapped blind hole of rectifying tube support [2b].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010280927.7A CN101951076B (en) | 2010-09-14 | 2010-09-14 | Bracket assembly of exciter rotor of aero alternator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010280927.7A CN101951076B (en) | 2010-09-14 | 2010-09-14 | Bracket assembly of exciter rotor of aero alternator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101951076A true CN101951076A (en) | 2011-01-19 |
| CN101951076B CN101951076B (en) | 2015-05-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010280927.7A Expired - Fee Related CN101951076B (en) | 2010-09-14 | 2010-09-14 | Bracket assembly of exciter rotor of aero alternator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101951076B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109495002A (en) * | 2018-10-19 | 2019-03-19 | 陕西航空电气有限责任公司 | A kind of aircraft oil cooling motor rotating rectifier |
| CN110504769A (en) * | 2019-08-18 | 2019-11-26 | 陕西航空电气有限责任公司 | A kind of armature of exciter structure for aviation air-cooled generator |
| CN111509920A (en) * | 2019-01-22 | 2020-08-07 | 大众汽车有限公司 | Contact device, electric motor and method for contacting busbars with one another in an electric motor |
| CN112564513A (en) * | 2020-11-13 | 2021-03-26 | 北京曙光航空电气有限责任公司 | Embedded rectifier bridge |
| CN112688494A (en) * | 2020-12-16 | 2021-04-20 | 陕西航空电气有限责任公司 | Three-phase full-wave rectification mounting structure for aviation motor |
| CN112688494B (en) * | 2020-12-16 | 2024-05-17 | 陕西航空电气有限责任公司 | Three-phase full-wave rectification mounting structure for aviation motor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5911748A (en) * | 1982-07-12 | 1984-01-21 | Matsushita Electric Works Ltd | Electronic part mounting structure for motor |
| EP0831574A1 (en) * | 1996-09-23 | 1998-03-25 | Flender Austria Antriebstechnik Aktiengesellschaft | Fixing bracket for condensator |
| CN1889332A (en) * | 2006-07-25 | 2007-01-03 | 四川东风电机厂有限公司 | Medium and high speed large capacity hydroelectric generator |
-
2010
- 2010-09-14 CN CN201010280927.7A patent/CN101951076B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5911748A (en) * | 1982-07-12 | 1984-01-21 | Matsushita Electric Works Ltd | Electronic part mounting structure for motor |
| EP0831574A1 (en) * | 1996-09-23 | 1998-03-25 | Flender Austria Antriebstechnik Aktiengesellschaft | Fixing bracket for condensator |
| CN1889332A (en) * | 2006-07-25 | 2007-01-03 | 四川东风电机厂有限公司 | Medium and high speed large capacity hydroelectric generator |
Non-Patent Citations (2)
| Title |
|---|
| MA WEIMING ET AL.: "Stability of a synchronous generator with diode-bridge rectifier and back-EMF load", 《IEEE TRANSACTIONS ON ENERGY CONVERSION》 * |
| 盛德恩: "航空发电机转子试验技术与设备", 《第二届民用飞机制造技术及装备高层论坛资料汇编》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109495002A (en) * | 2018-10-19 | 2019-03-19 | 陕西航空电气有限责任公司 | A kind of aircraft oil cooling motor rotating rectifier |
| CN111509920A (en) * | 2019-01-22 | 2020-08-07 | 大众汽车有限公司 | Contact device, electric motor and method for contacting busbars with one another in an electric motor |
| CN111509920B (en) * | 2019-01-22 | 2022-12-20 | 大众汽车有限公司 | Contact device, electric motor and method for contacting busbars with one another in an electric motor |
| CN110504769A (en) * | 2019-08-18 | 2019-11-26 | 陕西航空电气有限责任公司 | A kind of armature of exciter structure for aviation air-cooled generator |
| CN112564513A (en) * | 2020-11-13 | 2021-03-26 | 北京曙光航空电气有限责任公司 | Embedded rectifier bridge |
| CN112688494A (en) * | 2020-12-16 | 2021-04-20 | 陕西航空电气有限责任公司 | Three-phase full-wave rectification mounting structure for aviation motor |
| CN112688494B (en) * | 2020-12-16 | 2024-05-17 | 陕西航空电气有限责任公司 | Three-phase full-wave rectification mounting structure for aviation motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101951076B (en) | 2015-05-13 |
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