CN2806225Y - Self-generating electric eddy speed damper - Google Patents
Self-generating electric eddy speed damper Download PDFInfo
- Publication number
- CN2806225Y CN2806225Y CN 200520018917 CN200520018917U CN2806225Y CN 2806225 Y CN2806225 Y CN 2806225Y CN 200520018917 CN200520018917 CN 200520018917 CN 200520018917 U CN200520018917 U CN 200520018917U CN 2806225 Y CN2806225 Y CN 2806225Y
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- CN
- China
- Prior art keywords
- eddy current
- wheel disc
- price fixing
- current wheel
- rotating shaft
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- Expired - Fee Related
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- Dynamo-Electric Clutches, Dynamo-Electric Brakes (AREA)
Abstract
The utility model relates to a self-generating eddy current retarder, which comprises a multiple winding type magnetic-saturation and voltage-limitation permanent-magnet generator, an eddy-current wheel disk and a plurality of groups of electromagnets, wherein the generator is composed of a rotor which is connected to a rotating shaft and a stator which is fixed on a fixed disk. The rotating shaft is connected with the center of the fixed disk through the positioning of a shaft bearing, the upper side of the rotating shaft is connected to the eddy-current wheel disk through keys, the eddy-current wheel disk is provided with a centrifugal air duct and an air inlet for heat dispersion, and the outer edge of the fixed disk is provided with the electromagnets which are uniformly distributed along the circumference of a circle. The utility model designs a plurality of groups of magnetic-saturation and voltage-limitation magnetic generators which are designed into an integral structure with the original eddy current retarder, reduces the consumption of a vehicular power source through using the original mounting space and can also increase braking torque and braking effect.
Description
Technical field
The present invention relates to a kind of current vortex retarder, the current vortex retarder of using especially for car deceleration.
Background technology
Known current vortex retarder is made up of electromagnet group and vortex wheel at present, and the electric current that produces when moving in magnetic field with metal produces the mode of eddy-current heating in inside, consumes the kinetic energy of automobile.Because it has good ride comfort, there are not the machinery wearing and tearing, be used to do the auxiliary braking system of automobile.In order to obtain it is maximum lock torque, the power that is input to electromagnet group is up to thousands of watts, so, electrical generator on the automobile just must improve power, on original basis, increase 2-4KW, this has caused from being installed to all difficulties of use, as: require bigger installing space, use more complicated voltage control system etc.Cause and the shared power supply of other system just require power supply to reach very high output characteristic index, therefore raise the cost.
Summary of the invention
The purpose of this utility model just provides a kind of self power generation eddy current retarder, to solve the extra generated output of needs that existing current vortex retarder exists and bigger installing space of the requirement that causes, require power supply to reach the problem of very high output characteristic index.
The technical solution of the utility model is: comprise many windings magnetic saturation pressure limiting mag-dynamo, eddy current wheel disc and plurality of electromagnetic iron, described electrical generator is made of the stator that is connected the rotor in the rotating shaft and be fixed on the price fixing, rotating shaft is located by connecting on the central authorities of price fixing by bearing, this also connects the eddy current wheel disc by key above rotating shaft, is provided with the centrifugal air channel and the ventilation inlet of heat transmission on the eddy current wheel disc; Be provided with some groups of electromagnet that are uniformly distributed along the circumference in the outer of this price fixing.
Described stator is made of iron core and winding, and the winding of this stator is connected to some independently generator units; Described rotor is provided with permanent magnet by ring and a plurality of trapezoidal soft magnetism magnetic pole that is embedded in its outer peripheral face in the non-magnetic that is fixed in the described rotating shaft between per two soft magnetism magnetic poles, make the soft magnetism magnetic pole along circumference with N-S-N ... mode is arranged.
Described eddy current wheel disc and price fixing respectively are one, and are located at the two ends of described alternator shaft respectively, are provided with all described plurality of electromagnetic iron between the outer of this price fixing and eddy current wheel disc.
Described eddy current wheel disc and price fixing respectively are provided with two, two price fixings are located at the two ends of described alternator shaft respectively, in the rotating shaft in the outside of two price fixings, an eddy current wheel disc is housed respectively, between two price fixing outers and eddy current wheel disc, respectively is provided with all described plurality of electromagnetic iron.
Described stator can directly and price fixing be fixed or block stator core by gasket ring and pressure ring, and with screw pressure ring is fixed on the price fixing.
The utility model has designed independent many groups magnetic saturation pressure limiting mag-dynamo, is designed to integrative-structure with original current vortex retarder, can utilize original installing space, has reduced the consumption to vehicle power, also can increase lock torque and braking effect.
Description of drawings
Fig. 1 is the structural representation of single price fixing of the present utility model and single eddy current wheel disc embodiment;
Fig. 2 is the structural representation of of the present utility model pair of price fixing and two eddy current wheel disc embodiment;
The enlarged drawing at A place among Fig. 3 Fig. 1;
Fig. 4 is the connection diagram of the utility model stator winding;
Control eddy current wheel disc system circuit diagram when Fig. 5 is the utility model application.
The specific embodiment
Referring to Fig. 1～Fig. 4, basic structure of the present utility model is: have by spline (or common key) bonded assembly eddy current wheel disc 2 above the rotating shaft 1 of retarder (also can be total with other parts), centrifugal air channel 2.1 and ventilation inlet 2.2 that heat transmission is arranged on the eddy current wheel disc 2, it is by bearing 10 and price fixing 6 location.Some groups of symmetrical distribution (according to the size of lock torque and quantification) electromagnet 3 are arranged on the price fixing 6.Electromagnet is made up of iron core 4 and the coil 5 above iron core, and is with screw 7 that itself and price fixing 6 is fixing.The rotor that electrical generator is arranged in the rotating shaft 1, ring 12 is fixed in the rotating shaft 1 in the non-magnetic of rotor, along being embedded with soft magnetism magnetic pole 13 week, it is done in echelon, so that send alternating current apart from cooperating with stator slot, be fixed with permanent magnet 13.1 between per two magnetic poles 13, make soft magnetism magnetic pole 13 along circumference with N-S-N ... mode is arranged.The stator of electrical generator is made of iron core 8 and winding 9, and different with common structure is to make some groups of independently generator unit combination (referring to Fig. 3), i.e. several generator units of annular spread.
Embodiment shown in Figure 1 is the structure of single price fixing 6 and single eddy current wheel disc 2, described eddy current wheel disc 2 and price fixing 6 respectively are one, and be located at the two ends of described alternator shaft 1 respectively, between the outer of this price fixing 6 and eddy current wheel disc 2, be provided with all described plurality of electromagnetic iron 3.
Shown in Figure 2 is the structure of two price fixings 6 and two eddy current wheel discs 2.Two price fixings 6 are located at the two ends of described alternator shaft 1 respectively, constitute the shell of electrical generator.In the rotating shaft in the outside of two price fixings 6, an eddy current wheel disc 2 is housed respectively, between two price fixing outers (sticking together mutually) and eddy current wheel disc, respectively is provided with all described plurality of electromagnetic iron 3.
Stator of the present utility model can be by directly fixing with price fixing 6, and another kind of method is to fix by gasket ring 16, pressure ring 14 usefulness screws 15.
The utility model adopts the electrical generator of magnetic saturation pattern work, and the magnetic-field intensity of its rotor is very high, can export higher power when lower rotating speed.When rotating speed raises,, the bigger magnetic flow of stator core impassabitity is subjected to certain restriction owing to making horsepower output.The rotating speed of appropriateness and the ratio of power can make eddy current retarder obtain more excellent braking characteristics.Its rotating speed is high more, and B.P. is also just big more.
Fig. 4 shows application controls circuit of the present utility model, and L1～LX is different generating winding among the figure, and A, B, C export (changing delta connection when with low-voltage system into) mutually.Da-Dx replenishes the unilateral diode that electric weight is used, and is used for carrying out appropriateness with external power supply (as storage battery) when generating capacity is not enough and replenishes.D1-D6 is the diode that constitutes bridge rectifier, and J1-JX is the switch that electromagnet is connected in control, all can reach identical purpose with relay system or solid circuit.K1-KX connection control circuit, switch, B are the storage batterys on the vehicle.Connect the electromagnet of varying number, can obtain different lock torques.
Principle of work of the present utility model is: at the needs glancing impact, the contacting of relay J 1-JX, the alternating current of generator unit stator winding L 1～LX output is added in each electromagnet T1-TX two ends by each after organizing the rectification of D1-D6 rectifier bridge, electromagnet T1-TX produces magnetic field, the magnetic field of the eddy current wheel disc 2 cutting electromagnet of rotation produces eddy current, rotating shaft 1 to electrical generator produces resistance, is lock torque, thereby produces auxiliary lock torque.
Claims (5)
1, a kind of self power generation eddy current retarder, it is characterized in that: comprise many windings magnetic saturation pressure limiting mag-dynamo, eddy current wheel disc and plurality of electromagnetic iron, described electrical generator is made of the stator that is connected the rotor in the rotating shaft and be fixed on the price fixing, rotating shaft is located by connecting on the central authorities of price fixing by bearing, this also connects the eddy current wheel disc by key above rotating shaft, is provided with the centrifugal air channel and the ventilation inlet of heat transmission on the eddy current wheel disc; Be provided with some groups of electromagnet that are uniformly distributed along the circumference in the outer of this price fixing.
2, self power generation eddy current retarder according to claim 1, it is characterized in that: described stator is made of iron core and winding, and the winding of this stator is connected to some independently generator units; Described rotor is provided with permanent magnet by a plurality of trapezoidal soft magnetism magnetic pole that encircles and be embedded in its outer peripheral face in the non-magnetic that is fixed in the described rotating shaft between per two soft magnetism magnetic poles, and the soft magnetism magnetic pole is arranged in the N-S-N...... mode along circumference.
3, self power generation eddy current retarder according to claim 1, it is characterized in that: described eddy current wheel disc and price fixing respectively are one, and be located at the two ends of described alternator shaft respectively, between the outer of this price fixing and eddy current wheel disc, be provided with all described plurality of electromagnetic iron.
4, self power generation eddy current retarder according to claim 1, it is characterized in that: described eddy current wheel disc and price fixing respectively are provided with two, two price fixings are located at the two ends of described alternator shaft respectively, in the rotating shaft in the outside of two price fixings, an eddy current wheel disc is housed respectively, between two price fixing outers and eddy current wheel disc, respectively is provided with all described plurality of electromagnetic iron.
5, self power generation eddy current retarder according to claim 1 is characterized in that: described stator can directly and price fixing be fixed or block stator core by gasket ring and pressure ring, and with screw pressure ring is fixed on the price fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520018917 CN2806225Y (en) | 2005-05-13 | 2005-05-13 | Self-generating electric eddy speed damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520018917 CN2806225Y (en) | 2005-05-13 | 2005-05-13 | Self-generating electric eddy speed damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2806225Y true CN2806225Y (en) | 2006-08-16 |
Family
ID=36920528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520018917 Expired - Fee Related CN2806225Y (en) | 2005-05-13 | 2005-05-13 | Self-generating electric eddy speed damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2806225Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871372A (en) * | 2010-04-13 | 2010-10-27 | 江苏大学 | Power generation method and device of hydro-dynamic retarder |
| CN102874123A (en) * | 2012-07-06 | 2013-01-16 | 江苏大学 | Disk type water cooling self-excited eddy current retarder |
| CN103166422A (en) * | 2011-12-13 | 2013-06-19 | 泰乐玛汽车制动系统（上海）有限公司 | Retarder capable of generating electricity by self |
| GB2554337A (en) * | 2016-05-25 | 2018-04-04 | Jaguar Land Rover Ltd | Apparatus, system and method for braking |
| CN108501731A (en) * | 2018-05-28 | 2018-09-07 | 广东电网有限责任公司 | A kind of brake energy recovering system and energy-saving automobile |
-
2005
- 2005-05-13 CN CN 200520018917 patent/CN2806225Y/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871372B (en) * | 2010-04-13 | 2013-01-23 | 江苏大学 | Power generation method and device of hydro-dynamic retarder |
| CN101871372A (en) * | 2010-04-13 | 2010-10-27 | 江苏大学 | Power generation method and device of hydro-dynamic retarder |
| WO2013086772A1 (en) * | 2011-12-13 | 2013-06-20 | 泰乐玛汽车制动系统（上海）有限公司 | Self-generating retarder |
| CN103166422A (en) * | 2011-12-13 | 2013-06-19 | 泰乐玛汽车制动系统（上海）有限公司 | Retarder capable of generating electricity by self |
| CN103166421A (en) * | 2011-12-13 | 2013-06-19 | 泰乐玛汽车制动系统（上海）有限公司 | Retarder with self-power-generation function |
| CN103158562A (en) * | 2011-12-13 | 2013-06-19 | 泰乐玛汽车制动系统（上海）有限公司 | Retarder with function of self-generating electric and used for vehicles |
| CN103166422B (en) * | 2011-12-13 | 2018-01-16 | 泰乐玛汽车制动系统（上海）有限公司 | A kind of retarder with spontaneous electrical function |
| CN102874123A (en) * | 2012-07-06 | 2013-01-16 | 江苏大学 | Disk type water cooling self-excited eddy current retarder |
| CN102874123B (en) * | 2012-07-06 | 2015-06-10 | 江苏大学 | Disk type water cooling self-excited eddy current retarder |
| GB2554337A (en) * | 2016-05-25 | 2018-04-04 | Jaguar Land Rover Ltd | Apparatus, system and method for braking |
| GB2554337B (en) * | 2016-05-25 | 2019-10-02 | Jaguar Land Rover Ltd | Apparatus, system and method for braking |
| US11318846B2 (en) | 2016-05-25 | 2022-05-03 | Jaguar Land Rover Limited | Apparatus, system and method for braking |
| CN108501731A (en) * | 2018-05-28 | 2018-09-07 | 广东电网有限责任公司 | A kind of brake energy recovering system and energy-saving automobile |
| CN108501731B (en) * | 2018-05-28 | 2024-01-05 | 广东电网有限责任公司 | Braking energy recovery system and energy-saving automobile |
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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 |