CN205647164U - A magneto for gas engine - Google Patents
A magneto for gas engine Download PDFInfo
- Publication number
- CN205647164U CN205647164U CN201620219600.1U CN201620219600U CN205647164U CN 205647164 U CN205647164 U CN 205647164U CN 201620219600 U CN201620219600 U CN 201620219600U CN 205647164 U CN205647164 U CN 205647164U
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- China
- Prior art keywords
- flywheel
- axle sleeve
- magneto
- guard shield
- gas engine
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model relates to a magneto for gas engine, the brushless motor comprises a stator and a rotor, the rotor includes magnetic shoe, axle sleeve and has the flywheel of cavity, the magnetic shoe is fixed on the cavity lateral wall of flywheel, the bottom surface of flywheel is equipped with the shaft hole that is used for with axle sleeve clearance fit, the axle sleeve is arranged in the cavity of flywheel, the one end of axle sleeve stretch into in the shaft hole of flywheel with flywheel welded fastening, and the bottom surface of this end terminal surface of axle sleeve and flywheel flushes, the stator includes stator core, the last coiling of stator core has the coil winding that is used for for the power supply of natural gas valve, two ends of a thread of coil winding weld with two low -voltage wire respectively, low -voltage wire's end is equipped with the connector, two low -voltage wire all set up in an outer tube, the outer tube joint is on stator core, and last being equipped with of stator core is used for installing the counter bore that the fixed screw was installed to the stator. It can be exported sufficient voltage and give the power supply of natural gas valve when engine start, open natural gas valve, participates in without the battery.
Description
Technical field
This utility model relates to gas engine field, particularly to a kind of magneto for gas engine.
Background technology
At present, gas engine, as a kind of both economically and environmentally beneficial power-equipment, has obtained the accreditation of people, has been widely used in the middle of all trades and professions such as power, generating.Gas engine is when normally working, combustion gas and combustion air spray into ignition work done in the cylinder of gas engine again after needing first to mix, people are many solves this problem by arranging blender on the air inlet pipeline of gas engine, and the inlet end of blender arranges the natural gas valve controlling air inflow.Electromotor is before starting, substantially combustion gas and combustion air is not had in its combustor, and when starting electromotor, need a certain amount of combustion gas and combustion air, when hand starting electromotor, rotating speed low (about 300 revs/min) during startup, the undertension of engine magnetic electric motor output traditional under this rotating speed, to open natural gas valve, needs to arrange accumulator and powers to natural gas valve.Owing to gas engine is less to the space of magneto, and traditional magneto volume is big, and structure is complicated, has been not suitable with the market demand.
And it is not provided with guard shield outside the magnetic shoe of traditional magneto, magnetic shoe is adhesively fixed with flywheel by AB glue, because AB glue leaks cruelly easily solidifies inefficacy at air weight, make the secure fit of magnetic shoe and flywheel, will be in flywheel motor process, magnetic shoe is caused to come off due to flywheel heating, vibration, will be more serious in the case of frequent starting, frequent rotating, big electric current, big torque.
Summary of the invention
The purpose of this utility model is the deficiency existed for prior art, it is provided that a kind of magneto for gas engine, and it can export enough voltage and power to natural gas valve when engine start, open natural gas valve, participate in without accumulator, and its volume is little, simple in construction.
nullThe purpose of this utility model is to use following proposal to realize: a kind of magneto for gas engine,Including stator and rotor,Described rotor includes the flywheel with cavity,It is fixed with magnetic shoe in the cavity side walls of described flywheel,It is fixed with on the bottom surface of described flywheel for installing, with flywheel, the axle sleeve that axle is connected,The bottom surface of described flywheel is provided with for the axis hole with axle sleeve matched in clearance,Described axle sleeve is positioned in the cavity of flywheel,One end of axle sleeve is from inside to outside stretched in the axis hole of flywheel bottom surface and is welded and fixed with flywheel,And do not stretch out the outer bottom of flywheel,The cavity of described flywheel arranges stator,Described stator includes stator core,Described stator core is provided with for installing, for flywheel, the via that axle passes,A coil windings it is wound with on described stator core,Two the end of a thread of described coil windings weld with two primary cables respectively,The end of described primary cable is provided with connector,Two primary cables are arranged in an outer tube,Described outer tube is connected on stator core,Described stator core is provided with installs fixing counterbore for stator.Described outer tube is silica gel tube.The copper cash head of coil windings and the wire head of primary cable are inserted in a tin plating cylinder, first use pliers mechanical fasteners, then use tin welding.
The end face of described axle sleeve flushes with outside the bottom surface of flywheel, and end face of shaft bush is provided with the breach for accommodating solder with the position to be welded of flywheel bottom surface.
Described axle sleeve is stairstepping, and the big footpath section of described axle sleeve is positioned in the cavity of flywheel, and the big footpath section of axle sleeve is provided with screw, the axis hole matched in clearance that the path section of described axle sleeve and flywheel bottom surface are provided with.
Described stator core is provided with the crossed beam trunking for passing for outer tube, is provided with the clamp for clamping outer tube in described crossed beam trunking.Described outer tube is interference fitted between clamp and crossed beam trunking.Described clamp is V-type.Described clamp uses and strengthens nylon.Described outer tube is from inlet wire at the bottom of the V-type of clamp so that outer tube clamping is more convenient.Clamp is used for fixing silica gel tube and primary cable, prevents the insulating barrier of silica gel tube from galling, causes short circuit, magneto not to work, and electromotor does not works.Opening crossed beam trunking is to make primary cable to opposite direction outlet.
The cavity of described flywheel is fixed with guard shield, described guard shield is tubular construction, one axle head opening of described guard shield, another axle head arranges bottom surface, the opening of described guard shield is turned back limit through turnover formation, the bottom surface of described guard shield is provided with riveted holes, corresponding with small boss on flywheel, guard shield is riveted on flywheel inner bottom surface, the bottom surface of described guard shield is provided with for installing the opening stepped down for axle sleeve, and the cylindrical outer wall of described guard shield is adhesively fixed with the inwall of magnetic shoe, and the outer bottom of described guard shield is close to the inner bottom surface of flywheel, and fix, make the limit of turning back of guard shield be close to magnetic shoe end face.Described limit of turning back is provided with breach.Described stator is arranged in the inner chamber of guard shield.
With A, B glue bond between magnetic shoe and flywheel, with A, B glue bond between magnetic shoe and guard shield, guard shield is riveted on flywheel inner bottom surface.
When electromotor is 360 revs/min, the voltage of magneto output is more than 10V.
The sectional area at iron core magnetic conduction position is 64 square millimeters/pole.
The described coil windings number of turn is 680 circles.
Air gap between described rotor and stator is 0.4 0.6mm.
Described magnetic shoe have employed the permanent magnet Y32 of high magnetic flux.
This utility model has the advantage, that and is fixed with magnetic shoe due to this in the cavity side walls of the flywheel of the magneto of gas engine, it is fixed with for installing, with flywheel, the axle sleeve that axle is connected on the bottom surface of described flywheel, the bottom surface of described flywheel is provided with for the axis hole with axle sleeve matched in clearance, described axle sleeve is positioned in the cavity of flywheel, one end of axle sleeve is from inside to outside stretched in the axis hole of flywheel bottom surface and is welded and fixed with flywheel, and do not stretch out the outer bottom of flywheel, decrease rotor axial size.Stator includes stator core, the coil windings for powering it is wound with to natural gas valve on described stator core, two the end of a thread of described coil windings weld with two primary cables respectively, the end of described primary cable is provided with connector, two primary cables are arranged in an outer tube, described outer tube is connected on stator core, and described stator core is provided with the counterbore installing fixed screw for installing stator, decreases stator shaft orientation size.
The cavity of described flywheel is fixed with guard shield, described guard shield is tubular construction, one axle head opening of described guard shield, another axle head arranges bottom surface, the opening of described guard shield is turned back limit through turnover formation, the bottom surface of described guard shield is provided with riveted holes, corresponding with small boss on flywheel, the bottom surface of described guard shield is provided with for installing the opening stepped down for axle sleeve, the outer wall of described guard shield is adhesively fixed with the inwall of magnetic shoe, the outer bottom of described guard shield is close to the inner bottom surface of flywheel, and fix, magnetic shoe end face is close on the limit of turning back making guard shield, this structure makes the secure fit of magnetic shoe and flywheel, avoid in flywheel motor process, owing to flywheel generates heat, vibrate and cause magnetic shoe to come off.And the limit of turning back of this guard shield makes magnetic shoe not move in axial, radial direction, do not fall off.Even if magnetic shoe is because certain reason is cracking, damage; also will not wipe mutually with stator and cause shutdown, scaling loss etc. abnormal; solve quality, potential safety hazard that magnetic shoe comes off well; fundamentally improve the reliability of magneto; and guard shield can also protect magnetic shoe; prevent magnetic shoe from crushing, add the service life of magneto.
Said structure makes this magneto installing space little, simple in construction, and provides direct current 12V electric energy to natural gas valve in gas engine work overall process, participates in without accumulator.
Accompanying drawing explanation
Fig. 1 is the structural representation of the magneto for gas engine of the present utility model;
Fig. 2 is the sectional view of the magneto for gas engine of the present utility model;
Fig. 3 is the structural representation of the rotor of the magneto for gas engine of the present utility model;
Fig. 4 is that the A-A of Fig. 3 is to sectional view;
Fig. 5 is the scheme of installation of the magnetic shoe of the magneto for gas engine of the present utility model;
Fig. 6 is the structural representation of the guard shield of the magneto rotor for gas engine of the present utility model;
Fig. 7 is that the E of Fig. 6 is to schematic diagram;
Fig. 8 is the structural representation of the stator of the magneto for gas engine of the present utility model;
Fig. 9 is that the B-B of Fig. 8 is to sectional view;
Figure 10 is that the C-C of Fig. 8 is to sectional view;
Figure 11 is that the D-D of Fig. 8 is to sectional view.
In accompanying drawing, 1 is flywheel, and 2 is magnetic shoe, and 3 is axle sleeve, 31 is screw, and 4 is guard shield, and 41 is limit of turning back, and 42 is the bottom surface of guard shield, 43 is opening of stepping down, and 44 is magnetic shoe air-vent, and 45 is riveted holes, and 5 is solder, 6 is stator core, and 7 is coil windings, and 8 is primary cable, 9 is silica gel tube, and 10 is connector, and 11 is counterbore, 12 is crossed beam trunking, and 13 is clamp, and 14 install axle for flywheel.
Detailed description of the invention
See Fig. 1 to Figure 11, a kind of magneto for gas engine, including stator and rotor, described rotor includes the flywheel 1 with cavity, it is fixed with magnetic shoe 2 in the cavity side walls of described flywheel 1, it is fixed with for installing, with flywheel, the axle sleeve 3 that axle 14 is connected on the bottom surface of described flywheel 1, the bottom surface of described flywheel 1 is provided with for the axis hole with axle sleeve 3 matched in clearance, described axle sleeve 3 is positioned in the cavity of flywheel 1, one end of axle sleeve 3 is from inside to outside stretched in the axis hole of flywheel 1 bottom surface and is welded and fixed with flywheel 1, and does not stretch out the outer bottom of flywheel 1.The end face of described axle sleeve 3 flushes outside the bottom surface of flywheel 1, and axle sleeve 3 end face is provided with the breach for accommodating solder 5 with the position to be welded of flywheel 1 bottom surface.Described axle sleeve 3 is stairstepping, and the big footpath section of described axle sleeve 3 is positioned in the cavity of flywheel 1, and the big footpath section of axle sleeve 3 is provided with screw 31, the axis hole matched in clearance that the path section of described axle sleeve 3 is provided with flywheel 1 bottom surface.The cavity of described flywheel 1 is fixed with guard shield 4, described guard shield 4 is tubular construction, one axle head opening of described guard shield 4, another axle head arranges bottom surface, the opening of described guard shield 4 is turned back limit 41 through turnover formation, the bottom surface of described guard shield 4 is provided with riveted holes 45, corresponding with small boss on flywheel 1, the bottom surface 42 of described guard shield 4 is provided with for installing the opening 43 of stepping down stepped down for axle sleeve 3, the outer wall of described guard shield 4 is adhesively fixed with the inwall of magnetic shoe 2, the outer bottom of described guard shield 4 is close to the inner bottom surface of flywheel 1, and fix, magnetic shoe 2 end face is close on the limit 41 of turning back making guard shield 4, this structure makes the secure fit of magnetic shoe 2 and flywheel 1, avoid in flywheel 1 motor process, owing to flywheel 1 generates heat, vibrate and cause magnetic shoe 2 to come off.And the limit 41 of turning back of this guard shield 4 makes magnetic shoe 2 not move in axial, radial direction, do not fall off.Even if magnetic shoe 2 is because certain reason is cracking, damage; also will not wipe mutually with stator and cause shutdown, scaling loss etc. abnormal; solve quality, potential safety hazard that magnetic shoe 2 comes off well; fundamentally improve the reliability of magneto; and guard shield 4 can also protect magnetic shoe 2; prevent magnetic shoe 2 from crushing, add the service life of magneto.The limit 41 of turning back of described guard shield 4 is provided with magnetic shoe air-vent 44.Turning back through twice in the limit 41 of turning back of guard shield 4, formation arc of turning back for the first time is turned back limit 41, and second time formation straight line of turning back is turned back limit 41, and magnetic shoe 2 can be close in the limit 41 that makes to turn back.The bottom surface of described guard shield 4 is provided with 4 fabrication holes, corresponding with 4 holes on flywheel 1.Guard shield 4 uses stainless steel material.
The cavity of described flywheel 1 arranges stator, described stator includes stator core 6, described stator core 6 is provided with for installing, for flywheel, the via that axle 14 passes, the coil windings 7 for powering it is wound with to natural gas valve on described stator core 6, two the end of a thread of described coil windings 7 weld with two primary cables 8 respectively, the end of described primary cable 8 is provided with connector 10, two primary cables 8 are arranged in an outer tube, described outer tube is connected on stator core 6, and described stator core 6 is provided with installs fixing counterbore 11 for stator.Described outer tube is silica gel tube 9.The copper cash head of coil windings 7 and the wire head of primary cable 8 are inserted in a tin plating cylinder, first use pliers mechanical fasteners, then use tin welding.Axle 14 installed by the flywheel of the present embodiment is bent axle.Axle sleeve 3 interference is enclosed within the bent axle of electromotor, is positioned by screw in compression radially.
Described stator core 6 is provided with the crossed beam trunking 12 for passing for outer tube, is provided with the clamp 13 for clamping outer tube in described crossed beam trunking 12.Described outer tube is interference fitted between clamp 13 and crossed beam trunking 12.Described clamp 13 is V-type.Described clamp 13 uses and strengthens nylon.Described outer tube is from inlet wire at the bottom of the V-type of clamp 13 so that outer tube clamping is more convenient.Clamp 13 is used for fixing silica gel tube 9 and primary cable 8, prevents the insulating barrier of silica gel tube 9 from galling, causes short circuit, magneto not to work, and electromotor does not works.Body thickness 16mm of described stator core 6.
When electromotor is 360 revs/min, the voltage of magneto output is more than 10V.The sectional area of the i.e. wrapping post in iron core magnetic conduction position the most of the present utility model is 64 square millimeters.The cross section of the wrapping post of the stator core 6 of the present embodiment be square described coil windings 7 number of turn be 680 circles.Air gap between described rotor and stator is 0.4 0.6mm.Described magnetic shoe 2 have employed the permanent magnet Y32 of high magnetic flux.
Sensor element is not installed on this Magnetor stator, convex closure is not installed on rotor, this magneto provides direct current 12V electric energy to natural gas valve in gas engine work overall process, this is used for the magneto of gas engine when hand starting electromotor, rotating speed low (about 300 revs/min) during startup, under this rotating speed, magneto to export enough electric energy and open natural gas valve, it requires that magneto exports the 10V voltage being more than when electromotor is 360 revs/min.Therefore increase the sectional area at iron core magnetic conduction position, also have adjusted winding parameter (increasing umber of turn 120 circle).Magneto output low pressure during in order to improve 360 revs/min, by increasing stator outside diameter, reduces the air gap between rotor and stator.During in order to improve 360 revs/min, magneto output low pressure, improves the magnetic field performance of rotor, have employed the permanent magnet Y32 of high magnetic flux.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, it is clear that those skilled in the art can carry out various change and modification without deviating from spirit and scope of the present utility model to this utility model.So, if these amendments of the present utility model and modification belong within the scope of this utility model claim and equivalent technologies thereof, then this utility model is also intended to comprise these change and modification.
Claims (10)
- null1. the magneto for gas engine,Including stator and rotor,It is characterized in that: described rotor includes the flywheel with cavity,It is fixed with magnetic shoe in the cavity side walls of described flywheel,It is fixed with on the bottom surface of described flywheel for installing, with flywheel, the axle sleeve that axle is connected,The bottom surface of described flywheel is provided with for the axis hole with axle sleeve matched in clearance,Described axle sleeve is positioned in the cavity of flywheel,One end of axle sleeve is from inside to outside stretched in the axis hole of flywheel bottom surface and is welded and fixed with flywheel,And do not stretch out the outer bottom of flywheel,The cavity of described flywheel arranges stator,Described stator includes stator core,Described stator core is provided with for installing, for flywheel, the via that axle passes,A coil windings it is wound with on described stator core,Two the end of a thread of described coil windings weld with two primary cables respectively,The end of described primary cable is provided with connector,Two primary cables are arranged in an outer tube,Described outer tube is connected on stator core,Described stator core is provided with installs fixing counterbore for stator.
- Magneto for gas engine the most according to claim 1, it is characterised in that: the end face of described axle sleeve flushes with outside the bottom surface of flywheel, and end face of shaft bush is provided with the breach for accommodating solder with the position to be welded of flywheel bottom surface.
- Magneto for gas engine the most according to claim 1 and 2, it is characterized in that: described axle sleeve is stairstepping, the big footpath section of described axle sleeve is positioned in the cavity of flywheel, and the big footpath section of axle sleeve is provided with screw, the axis hole matched in clearance that the path section of described axle sleeve and flywheel bottom surface are provided with.
- Magneto for gas engine the most according to claim 1, it is characterised in that: described stator core is provided with the crossed beam trunking for passing for outer tube, is provided with the clamp for clamping outer tube in described crossed beam trunking.
- Magneto for gas engine the most according to claim 1, it is characterized in that: the cavity of described flywheel is fixed with guard shield, described guard shield is tubular construction, one axle head opening of described guard shield, another axle head arranges bottom surface, the opening of described guard shield is turned back limit through turnover formation, the bottom surface of described guard shield is provided with riveted holes, corresponding with small boss on flywheel, guard shield is riveted on flywheel inner bottom surface, the bottom surface of described guard shield is provided with for installing the opening stepped down for axle sleeve, the cylindrical outer wall of described guard shield is adhesively fixed with the inwall of magnetic shoe, the outer bottom of described guard shield is close to the inner bottom surface of flywheel, and fix, magnetic shoe end face is close on the limit of turning back making guard shield.
- Magneto for gas engine the most according to claim 1, it is characterised in that: when electromotor is 360 revs/min, the voltage of magneto output is more than 10V.
- Magneto for gas engine the most according to claim 1, it is characterised in that: the sectional area at iron core magnetic conduction position is 64 square millimeters/pole.
- Magneto for gas engine the most according to claim 1, it is characterised in that: the described coil windings number of turn is 680 circles.
- Magneto for gas engine the most according to claim 1, it is characterised in that: the air gap between described rotor and stator is 0.4~0.6mm.
- Magneto for gas engine the most according to claim 1, it is characterised in that: described magnetic shoe have employed the permanent magnet Y32 of high magnetic flux.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620219600.1U CN205647164U (en) | 2016-03-22 | 2016-03-22 | A magneto for gas engine |
Applications Claiming Priority (1)
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CN201620219600.1U CN205647164U (en) | 2016-03-22 | 2016-03-22 | A magneto for gas engine |
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CN205647164U true CN205647164U (en) | 2016-10-12 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105871114A (en) * | 2016-03-22 | 2016-08-17 | 四川腾邦科技有限公司 | Magnetor for gas engine |
-
2016
- 2016-03-22 CN CN201620219600.1U patent/CN205647164U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105871114A (en) * | 2016-03-22 | 2016-08-17 | 四川腾邦科技有限公司 | Magnetor for gas engine |
CN105871114B (en) * | 2016-03-22 | 2018-06-12 | 四川腾邦科技有限公司 | Gas engine magneto |
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