CN109104047A - A kind of disc type tachometer generator - Google Patents
A kind of disc type tachometer generator Download PDFInfo
- Publication number
- CN109104047A CN109104047A CN201710469030.0A CN201710469030A CN109104047A CN 109104047 A CN109104047 A CN 109104047A CN 201710469030 A CN201710469030 A CN 201710469030A CN 109104047 A CN109104047 A CN 109104047A
- Authority
- CN
- China
- Prior art keywords
- disc type
- fixed
- shaft
- tachometer generator
- end cap
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
- H02K1/182—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to stators axially facing the rotor, i.e. with axial or conical air gap
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2793—Rotors axially facing stators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
Abstract
The invention discloses a kind of disc type tachometer generators, including casing, end cap, blanking cover, stator, rotor, shaft, induction cover, magnetoelectric tachometric transducer and power supply out splice going splice, the end cap is fixed on one end of the casing, the blanking cover is fixed on the other end of the casing, the power supply out splice going splice installation is on the housing, the stator is fixed on the end cap, the rotor is fixed in shaft, the shaft passes through the end cap and blanking cover, the magnetoelectric tachometric transducer is mounted on the inside of the blanking cover, the induction cover is fixed in the shaft, the induction cover is cylindrical shape, and its internal perisporium has multiple grooves being parallel to each other.Tachometer generator of the invention tests the speed accurately.
Description
Technical field
The present invention relates to motor fields, and in particular to a kind of disc type tachometer generator is suitable for carrier-based helicopter monitoring hair
Motivation revolving speed is used.
Background technique
China generally surveys engine speed using squirrel-cage generator in helicopter at present, and major defect is this structure
Heat dissipation performance is very poor, and volume is big, weight again etc..
Summary of the invention
Goal of the invention: the present invention is directed to overcome the deficiencies of existing technologies, a kind of disc type tachometer generator is provided.
Technical solution: a kind of tachometer generator, including casing, end cap, blanking cover, stator, rotor, shaft, induction cover, magnetoelectricity
Formula speed probe and power supply out splice going splice, the end cap are fixed on one end of the casing, and the blanking cover is fixed on the machine
The other end of shell, on the housing, the stator is fixed on the end cap, the rotor for the power supply out splice going splice installation
It is fixed in shaft, the shaft passes through the end cap and blanking cover, and the magnetoelectric tachometric transducer is mounted in the blanking cover
Side, induction cover are fixed in the shaft, the induction cover is cylindrical shape, and its internal perisporium is parallel to each other with multiple
Groove.
Further, the quantity of the groove is 60.
Further, multiple groove equidistantly distributeds.
Further, inside and outside side wall of each groove through the induction cover.
Further, the rare earth magnetic steel that the rotor includes rotor disk and is fixed on rotor disk by sealant.
Further, the stator includes stator core and winding, and the stator core is fixed on described by sealant
On end cap.
Further, there is first bearing between the end cap and the shaft, have between the blanking cover and the shaft
There is second bearing.
Further, first and second bearing is deep groove ball bearing.
Further, equipped with axial spacer between the rotor and the second bearing.
Further, the dentation that radiating airflow is capable of forming after rotor disk rotates is processed into the outer of the rotor disk.
Further, the end cap is fixed by screw and the casing.
Further, the induction cover is fixed in the shaft by nut (M8 nut).
Further, the rare earth magnetic steel is high strength rare earth magnet steel.
Further, the quantity of the groove is 50-70, preferably 60.
The utility model has the advantages that
1. the present invention uses coaxial disc type power generator, power supply is provided for equipment；And engine is detected by sensing device
Revolving speed；
2. stator and rotor of the invention is all made of sealant integral sealing technique, compact-sized, light-weight, sealing performance
Well, it is not easy induced malfunction；
3. uniform dentation is processed into rotor outer of the invention, when the rotor rotates, air-flow will be generated, to generator
Cooling effect is played, the service life of generator is substantially increased；
4. induction cover of the invention and generator coaxle, and alternator shaft is connect with engine shaft by shaft coupling
, then cooperate high-precision inductor, the engine speed that can accurately and reliably detect.
5. the present invention is using coaxial design, the generating efficiency of generator is high, and incudes cover directly loaded on generator shaft turns
Speed is synchronous, then high-precision biography is cooperated to answer device, and the engine speed measured is precisely reliable；
It is light-weight, small in size, saved raw material 6. magnet steel made of the high strength rare earth material that the present invention uses, together
When power consumption is also low, high conversion efficiency；
Detailed description of the invention
Fig. 1 is the schematic diagram of tachometer generator.
Specific embodiment
Appended drawing reference: 1 stator；2 rotors；3 shafts；4 first bearings；5 end caps；6 power supply out splice going splices；7 casings；8 nuts；
9 magnetoelectric tachometric transducers；10 induction covers；11 blanking covers；12 second bearings；13 spacers.
A kind of disc type tachometer generator, including casing 7, end cap 5, blanking cover 11, stator 1, rotor 2, shaft 3, induction cover 10,
Magnetoelectric tachometric transducer 9 and power supply out splice going splice 6, the end cap are fixed on one end of the casing, and the blanking cover is fixed on
The other end of the casing, on the housing, the stator is fixed on the end cap, institute for the power supply out splice going splice installation
It states rotor to be fixed in shaft, the shaft passes through the end cap and blanking cover, and the magnetoelectric tachometric transducer is mounted on described
Blanking cover inside, the induction, which is covered, to be fixed in the shaft, and the induction cover is cylindrical shape, and its internal perisporium is with multiple mutual
Parallel groove.The quantity of the groove is 60.Multiple groove equidistantly distributeds.The groove is through the induction cover
Inside and outside side wall.The rare earth magnetic steel that the rotor includes rotor disk and is fixed on rotor disk by sealant.The stator includes
Stator core and winding, the stator core are fixed on the end cap by sealant.Between the end cap and the shaft
With first bearing, there is second bearing between the blanking cover and the shaft.First and second bearing is deep-groove ball axis
It holds.Equipped with axial spacer between the rotor and the second bearing.It is processed into rotor disk and turns in the outer of the rotor disk
The dentation of radiating airflow is capable of forming after dynamic.The end cap is fixed by screw and the casing.The induction cover is by nut (M8
Nut) it is fixed in the shaft.The rare earth magnetic steel is high strength rare earth magnet steel.The quantity of the groove is 50-70, excellent
Select 60.
The course of work: engine rotation drives shaft 3 to rotate, and the rotor 2 in shaft 3 is transported with respect to winding on stator 1
Movable property gives birth to cutting magnetic line movement, realizes the conversion of mechanical energy to electric energy, exports electric current by power supply out splice going splice 6；3 turns of shaft
Dynamic also dynamic should cover 10 rotations simultaneously, and magnetoelectric tachometric transducer 9 detects the turn signal of induction cover 10, passes through magneto-electric
The output line of speed probe 9 is transferred to detection device, can be accurately read engine speed.Pass through the shaft of engine
Rotation drives the rotor on alternator shaft and induction cover while rotating, and the high strength rare earth magnet steel on rotor is opposite with stator
It rotates, is produced electricl energy in the winding on stator, used for airborne equipment.And cover is incuded with the rotation of alternator shaft, pass through magnetic
Electric-type speed probe output signal, the revolving speed of engine is detected with this.
Although the present invention is illustrated and has been described with regard to preferred embodiment, it is understood by those skilled in the art that
Without departing from scope defined by the claims of the present invention, variations and modifications can be carried out to the present invention.
Claims (10)
1. a kind of disc type tachometer generator, which is characterized in that covered including casing, end cap, blanking cover, stator, rotor, shaft, induction,
Magnetoelectric tachometric transducer and power supply out splice going splice, the end cap are fixed on one end of the casing, and the blanking cover is fixed on institute
The other end of casing is stated, on the housing, the stator is fixed on the end cap, described for the power supply out splice going splice installation
Rotor is fixed in shaft, and the shaft passes through the end cap and blanking cover, and the magnetoelectric tachometric transducer is mounted on described stifled
On the inside of lid, the induction cover is fixed in the shaft, and the induction cover is cylindrical shape, and its internal perisporium is with multiple mutually flat
Capable groove.
2. disc type tachometer generator according to claim 1, which is characterized in that the quantity of the groove is 60.
3. disc type tachometer generator according to claim 1, which is characterized in that multiple groove equidistantly distributeds.
4. disc type tachometer generator according to claim 1, which is characterized in that each groove is through the induction cover
Inside and outside side wall.
5. disc type tachometer generator according to claim 1, which is characterized in that the rotor includes rotor disk and passes through close
Sealing is fixed on the rare earth magnetic steel on rotor disk.
6. disc type tachometer generator according to claim 1, which is characterized in that the stator include stator core and around
Group, the stator core are fixed on the end cap by sealant.
7. disc type tachometer generator according to claim 1, which is characterized in that have between the end cap and the shaft
First bearing has second bearing between the blanking cover and the shaft.
8. disc type tachometer generator according to claim 7, which is characterized in that first and second bearing is deep-groove ball
Bearing.
9. disc type tachometer generator according to claim 1, which is characterized in that between the rotor and the second bearing
Equipped with spacer.
10. disc type tachometer generator according to claim 1, which is characterized in that the outer of the rotor disk, which is processed into, to be turned
The dentation of radiating airflow is capable of forming after sub-disk rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710469030.0A CN109104047A (en) | 2017-06-20 | 2017-06-20 | A kind of disc type tachometer generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710469030.0A CN109104047A (en) | 2017-06-20 | 2017-06-20 | A kind of disc type tachometer generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109104047A true CN109104047A (en) | 2018-12-28 |
Family
ID=64795498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710469030.0A Pending CN109104047A (en) | 2017-06-20 | 2017-06-20 | A kind of disc type tachometer generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109104047A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261638A (en) * | 2019-05-28 | 2019-09-20 | 南方科技大学 | A kind of flange form liquid metal speed probe and rotating speed measurement method |
| CN111878385A (en) * | 2019-05-03 | 2020-11-03 | 德国哈威液压公司 | Hydraulic power unit |
| CN112924712A (en) * | 2021-01-21 | 2021-06-08 | 邱翔 | Direct current motor with speed measuring device |
-
2017
- 2017-06-20 CN CN201710469030.0A patent/CN109104047A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111878385A (en) * | 2019-05-03 | 2020-11-03 | 德国哈威液压公司 | Hydraulic power unit |
| CN110261638A (en) * | 2019-05-28 | 2019-09-20 | 南方科技大学 | A kind of flange form liquid metal speed probe and rotating speed measurement method |
| CN110261638B (en) * | 2019-05-28 | 2024-04-02 | 南方科技大学 | Flange type liquid metal rotating speed sensor and rotating speed measuring method |
| CN112924712A (en) * | 2021-01-21 | 2021-06-08 | 邱翔 | Direct current motor with speed measuring device |
| CN112924712B (en) * | 2021-01-21 | 2023-01-03 | 宏洋电机(威海)有限公司 | Direct current motor with speed measuring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181228 |