CN2307309Y - Automatic magnetic regulation voltage stabilizer - Google Patents
Automatic magnetic regulation voltage stabilizer Download PDFInfo
- Publication number
- CN2307309Y CN2307309Y CN 97224222 CN97224222U CN2307309Y CN 2307309 Y CN2307309 Y CN 2307309Y CN 97224222 CN97224222 CN 97224222 CN 97224222 U CN97224222 U CN 97224222U CN 2307309 Y CN2307309 Y CN 2307309Y
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- CN
- China
- Prior art keywords
- rotor
- axial adjustment
- adjustment device
- axle
- utility
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- 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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- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
The utility model relates to an automatic magnetic regulation voltage stabilizer, which is suitable for disk-type permanent-magnet alternators of illumination power supply arranged on agricultural vehicles, for example, tractors, etc. The utility model has the principle that load voltage is stable through adjusting magnetic field intensity. The utility model is composed of two axial regulators, a rotor, a rotor tray, a spring, a shaft, a roller, etc., wherein, the rotor automatically carries out axial movement to adjust the distance between the rotor and a stator of the generator according to the speed of the tractor; accordingly, output voltage is stabilized at about 12V under different rotational speeds of the tractor. The utility model effectively solves the problems that lighting lamps arranged on the agricultural vehicles such as, tractors, etc. are not alight when the agricultural vehicle is driven at night at a low speed and bulbs are easy to burn when the agricultural vehicle is driven at a high speed, which ensures the safe driving.
Description
The utility model is applicable to microgenerator, particularly relates to a kind of automatic magnetic-regulation stable-pressure device that is applicable to the desk permanent-magnet alternator.
At present, the miniature alternator of permanent magnetism class is widely used in baby tractor, and agricultural transportation vehicles such as motor tricycle are made mains lighting supply and used.Because this class generator utilizes diesel engine to rotate and drives generator work, and diesel engine speed variation range big (500--2000 commentariess on classics) generator output voltage certainty when diesel engine is in low speed is just low, this moment, headlight brightness was faint, the visibility extreme difference, voltage only has about 6 volts, does not reach the requirement of 12 volts of rated voltages far away.When diesel engine is in the maximum speed operation, generator also runs up, output voltage is higher, there is scaling loss to take place during lighting bulb, because this generator voltage causes variation because of rotating speed, so that the illuminating lamp of many above-mentioned vehicles often can not use, can't guarantee driving safety, the driver does not often work for low speed, burns bulb and worries at a high speed.
The purpose of this utility model is exactly the problem that will solve above-mentioned existence, provides a kind of generator that can make to keep the stable device of load voltage in the different rotating speeds variation range.
Cardinal principle of the present utility model is the size of regulating magnetic flux, changes the power in magnetic field.The difference of centrifugal force when utilizing rotor and rotation speed change and regulate distance between rotor and the stator automatically is to realize the stable of load voltage.Its technical scheme is: by rotor, the rotor pallet, the axial adjustment device, bearing, support, spring, axle, composition such as cylinder or belt pulley, be provided with 2 axial adjustment devices, axial adjustment device 9 is fixed on the step at axle 15 middle parts, another axial adjustment device 11 is fixed in the rotor pallet 8 by jackscrew 10, stator 6 is connected as a single entity with support 5,2 bearings 4 are housed on the support 5, spacer 2, oil nozzle 3 and back-up ring 1, rotor 7 is connected one with rotor pallet 8, spring 12 and stop collar 16 are housed between axial adjustment device 11 and cylinder 13, cylinder 13 and major axis 15 wringing fits, fixing by screw 14, one end tube wall of axial adjustment device 9 is the semi-spiral inclined-plane, the remainder internal diameter is less than semi-spiral tube wall part, tube wall is provided with top wire hole 17, one end tube wall of axial adjustment device 11 is the semi-spiral inclined-plane, the remainder internal diameter is less than the semi-spiral tube wall, the middle part is provided with top wire hole 17, end is not a step, cylinder 13 can also be removed, and it is wheeled to change belt into, belt pulley is installed in bearing 4 left sides on the axle 15, and axle 15 will be done corresponding adjustment.
When this device is installed, cylinder 13 is contacted with driving belt on the tractor, head roll 13 rotates, not only can generate electricity simultaneously but also can play the effect of tensioner belt, when tractor when night running need throw light on, turning on light is energized, generator amature just can axially move, the regulator generator changes of magnetic field is travelled owing to not throwing light on, under the electric current off-state by day to adapt to different rotating speeds, generator amature is failure to actuate, and does not promptly carry out axially-movable.Because the voltage exported under the diesel engine different rotating speeds of generator all is stabilized in about 12V, just solved the same topic that low speed that microgenerator exists does not for a long time work effectively, make driving at night safer, drive more convenient.
Below in conjunction with accompanying drawing the utility model is explained in detail:
Accompanying drawing 1 is a structural representation of the present utility model;
Accompanying drawing 2 is synoptic diagram of axial adjustment device 9;
Accompanying drawing 3 is synoptic diagram of axial adjustment device 11.
Can see that by accompanying drawing 1 generator unit stator 6 and support 5 are one, be fixed as wringing fit by screw, between 4, two bearings 4 of installation bearing spacer 2, oil nozzle 3 are housed in support 5, this part can be considered bracket assembly.Rotor 7 and rotor pallet 8 are connected as one by screw, be fitted with axial adjustment device 11 in the rotor pallet 8, it between them wringing fit, fixing by jackscrew 10, make axial adjustment device 11 and rotor pallet 8 be one, axial adjustment device 9 is fitted on one section step of axle 15 middle part projectioies, top wire hole 17 on the axial adjustment device 9 is equipped with suitable jackscrew, put into axle 15 when assembling after, be fixed on the axle 15 by jackscrew, this part can see REG Regulator Assembly as.Spring 12 is sleeved on the step of axial adjustment device 11, the other end withstands on the cylinder 13, during assembling the utility model product on axle 15 suit stop collar 16, then axle 15 is passed REG Regulator Assembly and bracket assembly, front end assembling ring washer 1 moves to prevent axle 15, again cylinder 13 is sleeved on the axle 15, is fixed on the axle 15 by jackscrew 14.
Driving belt on tractor contacts with cylinder 13; can rotate by head roll 13; when tractor is in low speed; because distance is near between stator 6 and the rotor 7; the magnetic field that produces is strong; simultaneously because rotor 7 and rotor pallet 8; the centrifugal force that axial adjustment device 11 produces is less; elastic force less than spring 12; under the elastic force effect of spring 12; identical state when axial adjustment device 11 still is shutdown with axial adjustment device 9; the axial adjustment device 11 that the axial adjustment device 9 of assembling on the axle 15 drives in the rotor pallet 8 rotates together; when the output electricity reaches when being pressed onto the 12V left and right sides; raising gradually along with rotating speed; rotor 7; the centrifugal force that rotor pallet 8 and axial adjustment device 11 are produced increases gradually; spring 12 is compressed; also because the axial adjustment device 11 in axial adjustment device 9 on the axle 15 and the rotor pallet 8 all has the semi-spiral inclined-plane of same pitch; when centrifugal force increases gradually; axial adjustment device 11 in the rotor pallet 8 can only be done axially-movable along the semi-spiral inclined-plane; distance between stator 6 and the rotor 7 widens gradually at this moment; magnetic field intensity also weakens gradually; but because the raising of rotating speed; output voltage can not reduce yet; can be controlled at 14V; at this moment the end face of axial adjustment device 11 contacts with stop collar 16; spring 12 is compressed, and the length of stop collar is that the requirement (voltage 14V is with interior not burning bulb) that output voltage is no more than 14V during according to maximum speed is set.When diesel engine speed reduces gradually, the centrifugal force of rotor 7, rotor pallet 8 and axial adjustment device 11 also reduces gradually, add the elastic force effect of spring 12, axial adjustment device 9 and axial adjustment device 11 be state when the semi-spiral inclined-plane is returned to low speed or idling gradually still, distance between rotor 7 and the stator 6 reduces gradually at this moment, magnetic field intensity increases gradually, and output voltage is still kept normally.So just reached according to the diesel engine speed speed and regulated magnetic field intensity automatically, the purpose of stable generator output voltage.
2-1 is the diagrammatic cross-section of facing of axial adjustment device 9 in the accompanying drawing 2, can see that the top tube wall is the semi-spiral inclined-plane, and the bottom is provided with top wire hole 17, and the bottom internal diameter is less than top tube wall internal diameter.2-2 is the side-looking diagrammatic cross-section, can ask Chu ground to see that top, side is the semispiral type of projection, and the position of top wire hole 17.2-3 is a vertical view, and the middle part circular hole is axial adjustment device 9 endoporus, and cylindrical is the semi-spiral inclined-plane.
Axial adjustment device 11 shown in the accompanying drawing 3 matched in when assembling and axial adjustment 9, and 3-1 is for facing diagrammatic cross-section, and top wire hole 18 positions are in the side, and upper part is a step.3-2 is the side-looking diagrammatic cross-section, and the semi-spiral inclined-plane is overshooting shape, and top wire hole 18 is established in the centre, and axial adjustment device 11 is longer than axial adjustment device 9, and the part that grows is a step.
Claims (3)
1. automatic magnetic-regulation stable-pressure device, be by rotor, the rotor pallet, the axial adjustment device, bearing, support, spring, axle, composition such as cylinder or belt pulley, it is characterized in that being provided with 2 axial adjustment devices, axial adjustment device 9 is fixed on the step at axle 15 middle parts, axial adjustment device 11 is fixed in the rotor pallet 8 by jackscrew 10, stator 6 is connected as a single entity with support 5,2 bearings 4 are housed on the support 5, spacer 2, oil nozzle 3 and back-up ring 1, rotor 7 connects as one with rotor pallet 8, spring 12 and stop collar 16 are housed between axial adjustment device 11 and cylinder 13, cylinder 13 and major axis 15 wringing fits, fixing by screw 14.
2. automatic magnetic-regulation stable-pressure device according to claim 1 is characterized in that an end tube wall of axial adjustment device 9 is the semi-spiral inclined-plane, and the remainder internal diameter is less than semi-spiral tube wall part, and tube wall is provided with top wire hole 17.One end tube wall of axial adjustment device 11 is the semi-spiral inclined-plane, and the remainder internal diameter is less than the semi-spiral tube wall, and the middle part is provided with top wire hole 17, and end is not a step.
3. automatic magnetic-regulation stable-pressure device according to claim 1 can also remove cylinder 13, and it is wheeled to change belt into, and belt pulley is installed in bearing 4 left sides on the axle 15, and axle 15 will be done corresponding adjustment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97224222 CN2307309Y (en) | 1997-08-08 | 1997-08-08 | Automatic magnetic regulation voltage stabilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97224222 CN2307309Y (en) | 1997-08-08 | 1997-08-08 | Automatic magnetic regulation voltage stabilizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2307309Y true CN2307309Y (en) | 1999-02-10 |
Family
ID=33938647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97224222 Expired - Fee Related CN2307309Y (en) | 1997-08-08 | 1997-08-08 | Automatic magnetic regulation voltage stabilizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2307309Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105720771A (en) * | 2016-04-25 | 2016-06-29 | 山东理工大学 | Tractor permanent magnet disk generator |
| CN106969086A (en) * | 2017-03-27 | 2017-07-21 | 宁波大学 | A kind of magnetorheological torsional vibration damper for engine |
-
1997
- 1997-08-08 CN CN 97224222 patent/CN2307309Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105720771A (en) * | 2016-04-25 | 2016-06-29 | 山东理工大学 | Tractor permanent magnet disk generator |
| CN105720771B (en) * | 2016-04-25 | 2018-09-04 | 山东理工大学 | Tractor permanent-magnet disk generator |
| CN106969086A (en) * | 2017-03-27 | 2017-07-21 | 宁波大学 | A kind of magnetorheological torsional vibration damper for engine |
| CN106969086B (en) * | 2017-03-27 | 2018-12-04 | 宁波大学 | A kind of magnetorheological torsional vibration damper for engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |