CN204349759U - The self-excitation type liquid cooling current vortex retarder of a kind of pair of water channel structure - Google Patents
The self-excitation type liquid cooling current vortex retarder of a kind of pair of water channel structure Download PDFInfo
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- CN204349759U CN204349759U CN201520008130.XU CN201520008130U CN204349759U CN 204349759 U CN204349759 U CN 204349759U CN 201520008130 U CN201520008130 U CN 201520008130U CN 204349759 U CN204349759 U CN 204349759U
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Abstract
The utility model discloses the self-excitation type liquid cooling current vortex retarder of a kind of pair of water channel structure, belong to the complemental brake system that vehicle is slowed down, it comprises retarder rotor, retarder stator, control module and rotor machine, retarder rotor is made up of retarder multihead coil, electromagnetic core and rotor field spider, retarder multihead coil winding is on electromagnetic core, electromagnetic core is fixed on rotor field spider, retarder multihead rotor is connected with power transmission shaft by rotor field spider, and retarder stator is connected with power transmission shaft by bearing.It is unshakable in one's determination that rotor machine comprises generator excitation winding, generator excitation magnetic pole, generator armature winding and generator armature, and rotor machine is positioned at retarder rotor inside.The utility model is safer compared with traditional electrical eddy current retarder; Reliability is high, non-maintaining; Be easy to the Based Intelligent Control and the cruise that realize retarder braking moment; Compact overall structure, volume mass is little.
Description
Technical field
The utility model relates to car deceleration device technical field, particularly relates to the self-excitation type liquid cooling current vortex retarder of a kind of pair of water channel structure.
Background technology
Retarder is a kind of safety aid of service brake, and Braking on system of vehicle transmission parts, is played the effect reducing car speed by it.Current most popular retarder is current vortex retarder, and it utilizes electromagnetic principles to be heat energy by the kinetic transformation of automobile, and is dispelled the heat by air-cooled form.Current vortex retarder can improve the braking ability of automobile, extends the useful life of brake(-holder) block and tire, improves the fail safe of running car, comfortableness and economy.The advantages such as structure is simple, the response time is short although current vortex retarder has, braking moment energy Based Intelligent Control, its power consumption is large, and weak heat-dissipating, during continuous braking, heat fading is serious.Self-excitation retarder, on the basis of eddy current retarder principle, increases self-generating system, powering, without the need to increasing automobile current generator or battery capacity, having lightweight, the advantages such as quality is little, energy-conserving and environment-protective directly to retarder.
Existing self-excitation retarder is generally made up of the stator of band magnet exciting coil, the rotor in band air channel and electricity generation system, and its rotor is arranged on truck drive shaft, and stator coil is fixed on vehicle frame.When electricity generation system starts, generator system provides power supply for retarder, and stator coil is energized, and the magnetic line of force is by rotor, and self-excitation retarder is in on-position, and automobile kinetic transformation becomes heat energy, is dealt in air by the rotor dispersing rotated; When electricity generation system is closed, stator coil no current passes through, and self-excitation retarder is in non-brake state.This advantage that there is saves energy, but during continuous firing, the heat fading of braking moment is still serious.
Documents 1 (notification number: CN101934738B, the day for announcing: 2012.05.23) and documents 2 (notification number: CN201703264U, the day for announcing: 2011.01.12) disclosed self-excitation retarder, the type of cooling is all that employing is air-cooled, effectively can not distribute the heat that retarder vortex induction body produces, limit the raising of self-excitation retarder braking moment and the time of continuous braking.Documents 3 (notification number: 101425737B, the day for announcing: 20110504) disclose a kind of self-excitation retarder utilizing water-cooling, although solve heat dissipation problem, but this structure must have brushgear, power supply on generator unit stator armature could be delivered on the retarder rotor coil of rotation, thus there is life-span low shortcoming.Documents 4 (notification number: CN203221889U, the day for announcing: 20131002) disclose a kind of self-excitation retarder utilizing water-cooling, although solve heat dissipation problem, but very large electromagnetic attraction will be produced during this arrangement works, also can produce very large radial load to power transmission shaft.Documents 5 (notification number: CN102299608B, the day for announcing: 20131016) disclose a kind of self-excitation retarder utilizing water-cooling, although solve brushless structure and heat dissipation problem, but this structure area of dissipation is less, retarder braking moment can be affected when increasing water channel area.
Utility model content
The purpose of this utility model is exactly the self-excitation type liquid cooling current vortex retarder that will provide a kind of pair of water channel structure, solves by the utility model the technical problem that radiating effect is poor, the life-span is low, brake efficiency is low.
To achieve these goals, the utility model adopts following technical scheme:
A self-excitation type liquid cooling current vortex retarder for pair water channel structure, comprise retarder rotor, retarder stator, power transmission shaft, control module and rotor machine, described rotor machine is evenly positioned at retarder rotor inside,
Described retarder rotor comprises retarder multihead coil, electromagnetic core and rotor field spider, and described electromagnetic core is fixed on rotor field spider, and electromagnetic core is wound with described retarder multihead coil, and described rotor field spider is arranged on power transmission shaft;
Described retarder stator comprises the first stator and the second stator, described first stator inner circle is coaxial with the cylindrical of described electromagnetic core and radial vertical, and described first stator and the second stator are connected to fixed disk, described fixed disk is connected with power transmission shaft by bearing;
Described rotor machine comprises generator excitation winding, generator excitation magnetic pole, generator armature winding and generator armature iron core, described generator excitation magnetic pole is wound with described generator excitation winding, and generator excitation magnetic pole is connected with described fixed disk, described generator armature iron core is wound with described generator armature winding, and generator armature iron core is connected with described rotor field spider, described generator armature winding is connected by rectification module with described retarder multihead coil;
Described control module is connected by wire with described generator excitation winding, regulates the size of exciting current;
On the basis of technique scheme, the utility model can also do following improvement:
Further, the axis of described first stator, the second stator and the axis of described electromagnetic core maintain the gap of 0.5-1.5mm;
Further, described first stator and the second stator outer diameter are respectively equipped with the stator built-in water passage for cooling, described stator built-in water passage adopts engine cooling water to circulate, or adopts independent cooling device to circulate;
Further, the arranged outside of described first stator, the second stator has fixed mount, and described stator built-in water passage is mutually through by water pipe.
During utility model works, the excitation winding being rotor machine by control module is powered, and produces induced electromotive force in the armature winding of rotation, this electromotive force by rectification module for retarder coil provides voltage, generation current in retarder coil, so electromagnetic core produces the magnetic line of force;
The magnetic line of force that retarder stator is sent by the retarder rotor cutting electromagnetic core rotated, eddy current can be produced at retarder stator inner surface, and producing the moment hindering retarder rotor to rotate, this braking moment is acted on truck drive shaft by rotor field spider, thus produces braking force to automobile;
By size of current in control module regulator generator excitation winding, retarder braking moment step-less adjustment can be realized.The heat that stator produces is taken away by liquid in cooling water channel.
When the utility model does not need to brake, control module cuts off current circuit in generator excitation winding, generator armature winding not generation current, the magnetic line of force is not had in retarder coil, then retarder stator can not cutting magnetic line, can not produce eddy current in retarder stator, power transmission shaft not by braking moment, thus removes the braking to automobile.
The beneficial effects of the utility model:
1. electromagnetic core of the present utility model and retarder coil are as rotor, and outside is parts without spin, and generator armature coil and retarder coil together rotate, brushless device, and reliability is high;
2. generator excitation winding of the present utility model is set to static structures, is easy to the Based Intelligent Control and the cruise that realize retarder braking moment; Retarder stator has the first stator and the second stator symmetrical structure, built-in water passage, good heat dissipation effect, and long-time braking moment decline is little;
3. the utility model compact overall structure, volume mass is little, and area of dissipation is large, according to actual conditions, can increase water channel area.
Accompanying drawing explanation
Fig. 1 is the structural representation of the self-excitation type liquid cooling current vortex retarder of a kind of pair of water channel structure described in the utility model specific embodiment,
Fig. 2 is self-excitation type liquid cooling eddy current retarder rotor and the built-in motor structural representation of a kind of pair of water channel structure of the present utility model,
Fig. 3 is the self-excitation type liquid cooling current vortex retarder built-in water passage stator structure schematic diagram of a kind of pair of water channel structure of the present utility model,
In accompanying drawing, the list of parts representated by each label is as follows:
1, power transmission shaft, 2, bearing, 3, generator excitation winding, 4, generator excitation magnetic pole, 5, generator armature winding, 6, generator armature iron core, 7, rectification module, 8, first fixed disk, 9, stator built-in water passage, 10, first stator, 11, retarder water inlet, 12, electromagnetic core, 13, retarder multihead coil, 14, retarder delivery port, 15, second stator, 16, control module, 17, second fixed disk, 18, rotor field spider, 19, water pipe, 20, fixed mount, 21, retarder rotor, 22, rotor machine, 23, retarder stator.
Embodiment
Be described principle of the present utility model and feature below, example, only for explaining the utility model, is not intended to limit scope of the present utility model;
A self-excitation type liquid cooling current vortex retarder for pair water channel structure, comprise retarder rotor 21, retarder stator 23, power transmission shaft 1, control module 16 and rotor machine 22, described rotor machine is positioned at retarder rotor inside,
Described retarder rotor comprises retarder multihead coil 13, electromagnetic core 12 and rotor field spider 18, described electromagnetic core 12 is fixed on rotor field spider 18, and electromagnetic core 12 being wound with described retarder multihead coil 13, described rotor field spider 18 is arranged on power transmission shaft 1;
Described retarder stator comprises the first stator 10 and the second stator 15, described first stator 10 inner circle is coaxial and radial vertical with the cylindrical of described electromagnetic core 12, described first stator 10 is connected with the first fixed disk 8, described second stator 15 is connected with the second fixed disk 17, and described first fixed disk 8 is connected with power transmission shaft 1 respectively by bearing 2 with the second fixed disk 17;
Described rotor machine comprises generator excitation winding 3, generator excitation magnetic pole 4, generator armature winding 5 and generator armature iron core 6, described generator excitation magnetic pole 4 is wound with described generator excitation winding 5, and generator excitation magnetic pole 4 is connected with described first fixed disk 8, described generator armature iron core 6 is wound with described generator armature winding 3, and generator armature iron core 6 is connected with described rotor field spider 18, described generator armature winding 3 is connected by rectification module 7 with described retarder multihead coil 13;
Described control module 16 is connected by wire with described generator excitation winding 5, regulates the size of exciting current;
The wherein said axis of the first stator 10, second stator 15 and the axis of described electromagnetic core 12 maintain the gap of 0.5-1.5mm, described first stator 10 and the second stator 15 external diameter are respectively equipped with the stator built-in water passage 9 for cooling, described stator built-in water passage 9 adopts engine cooling water to circulate, or adopts independent cooling device to circulate;
The arranged outside of described first stator 10, second stator 15 has fixed mount 20, and described stator built-in water passage 9 is mutually through by water pipe;
During utility model works, control module 16 makes 24V power supply and generator excitation winding 3 connect, generation current in generator excitation winding 3, the magnetic line of force is produced in generator excitation magnetic pole 4, conductor in the generator armature winding 5 rotated cuts this magnetic line of force and produces three-phase alternating current electromotive force, three-phase alternating current is become direct current by rectification module 7 by this electromotive force, is transported in retarder multihead coil 13, make retarder multihead coil 13 obtain excitation, therefore electromagnetic core 12 produce the magnetic line of force;
First stator 10 and the second stator 15 cut the magnetic line of force that electromagnetic core 12 sends, eddy current is produced in the first stator 10 and the second stator 15, and producing the moment hindering electromagnetic core 12 to rotate, this braking moment is acted on power transmission shaft by rotor field spider, thus produces braking force to automobile;
During braking, the heat that the first stator 10 and the second stator 15 inner surface produce is taken away by liquid in stator built-in water passage 9, and cooling fluid, after the radiator heat-dissipation of engine water tank, is back in retarder the work that moves in circles.
By the electric current in control module 16 regulator generator, electromotive force in generator armature winding 5 changes thereupon, exciting current in retarder multihead coil 13 also changes, and can realize that retarder braking moment regulates continuously, stepping regulates and speed cruise function.
When not needing braking, control module 16 cuts off the electric current in generator excitation winding 3, no longer electromotive force is produced in generator armature winding 5, retarder multihead coil 13 is without excitation, the magnetic line of force is not produced in electromagnetic core 12, power transmission shaft not by braking moment, thus removes the braking to automobile, does not affect vehicle and normally runs.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (4)
1. the self-excitation type liquid cooling current vortex retarder of a two water channel structure, comprise retarder rotor, retarder stator, power transmission shaft, control module and rotor machine, described rotor machine is evenly positioned at retarder rotor inside, described retarder rotor comprises retarder multihead coil, electromagnetic core and rotor field spider, described electromagnetic core is fixed on rotor field spider, and electromagnetic core is wound with described retarder multihead coil, described rotor field spider is arranged on power transmission shaft, it is characterized in that:
Described retarder stator comprises the first stator and the second stator, described first stator inner circle is coaxial with the cylindrical of described electromagnetic core and radial vertical, and described first stator and the second stator are connected to fixed disk, described fixed disk is connected with power transmission shaft by bearing;
Described rotor machine comprises generator excitation winding, generator excitation magnetic pole, generator armature winding and generator armature iron core, described generator excitation magnetic pole is wound with described generator excitation winding, and generator excitation magnetic pole is connected with described fixed disk, described generator armature iron core is wound with described generator armature winding, and generator armature iron core is connected with described rotor field spider, described generator armature winding is connected by rectification module with described retarder multihead coil;
Described control module is connected by wire with described generator excitation winding, regulates the size of exciting current.
2. the self-excitation type liquid cooling current vortex retarder of a kind of pair of water channel structure according to claim 1, is characterized in that: the axis of described first stator, the second stator and the axis of described electromagnetic core maintain the gap of 0.5-1.5mm.
3. the self-excitation type liquid cooling current vortex retarder of a kind of pair of water channel structure according to claim 2, it is characterized in that: described first stator and the second stator outer diameter are respectively equipped with the stator built-in water passage for cooling, described stator built-in water passage adopts engine cooling water to circulate, or adopts independent cooling device to circulate.
4. the self-excitation type liquid cooling current vortex retarder of a kind of pair of water channel structure according to claim 3, it is characterized in that: the arranged outside of described first stator, the second stator has fixed mount, described stator built-in water passage is mutually through by water pipe.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520008130.XU CN204349759U (en) | 2015-01-06 | 2015-01-06 | The self-excitation type liquid cooling current vortex retarder of a kind of pair of water channel structure |
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| CN201520008130.XU CN204349759U (en) | 2015-01-06 | 2015-01-06 | The self-excitation type liquid cooling current vortex retarder of a kind of pair of water channel structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600954A (en) * | 2015-01-06 | 2015-05-06 | 扬州安行机电科技有限公司 | Self-excitation type liquid-cooled eddy current retarder with dual-waterway structure |
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2015
- 2015-01-06 CN CN201520008130.XU patent/CN204349759U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104600954A (en) * | 2015-01-06 | 2015-05-06 | 扬州安行机电科技有限公司 | Self-excitation type liquid-cooled eddy current retarder with dual-waterway structure |
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