CN106849496A - Drag friction force generating system on electric automobile - Google Patents
Drag friction force generating system on electric automobile Download PDFInfo
- Publication number
- CN106849496A CN106849496A CN201710217733.4A CN201710217733A CN106849496A CN 106849496 A CN106849496 A CN 106849496A CN 201710217733 A CN201710217733 A CN 201710217733A CN 106849496 A CN106849496 A CN 106849496A
- Authority
- CN
- China
- Prior art keywords
- brake
- roller
- holder
- tooth
- block
- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
- H02K7/1846—Rotary generators structurally associated with wheels or associated parts
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Abstract
Drag friction force generating system on electric automobile of the present invention, including the brake disc rotated together with wheel and fixed brake(-holder) block on the disc brake rotor, symmetrically lay two taper rollers in the two sides of brake disc plane, there is gap in roller and brake(-holder) block, two pincerlike firmly close contacts with brake(-holder) block of roller produce frictional force under on-position under non-brake state；Two rollers connect cone with teeth by connecting shaft respectively, and two tooth cones engage generator amature, have the field of conjugate action between the tooth cone of left and right two and generator amature；Rotating shaft is provided with one end that the connecting shaft is connected with tooth cone, roller, connecting shaft and tooth cone rotate around rotary shaft, friction brake torque is bored and passes to generator amature by two rollers in left and right by the tooth of left and right two, to control brake force size, so as to change electrical power generators electricity.The present invention drives generator amature rotary electrification by the tooth cone coaxial with roller, and brake force is big, and generated output is big.
Description
Technical field
The present invention relates to the braking friction technical field of power generation the present invention relates to vehicle, the specifically system on electric automobile
Kinetic force of friction electricity generation system.
Background technology
It is that the electromagnetic force that braking friction is converted into generator is generated electricity that braking friction generates electricity, and braking energy is turned
Turn to electric energy.Car speed is by controlling braking friction size to be controlled, and frictional force is related to rubbing surface normal pressure；When
When braking friction is delivered to generator amature, braking friction is directly proportional to generator torque.
Braking power=braking friction * the speeds of service.
The factors such as braking friction and load-carrying, the gradient, speed decrement are related.
For electric automobile, it is assumed that required braking friction is 2000 newton, Vehicle Speed is that (108 is public for 30 meter per seconds
In/hour), the mechanical work that its braking friction is produced is about 60KW, equivalent to the rated power of motor needed for vehicle traveling,
What the power was not continuously generated.Root is it is estimated that electric automobile average continuous braking power in descending is about 10KW.
The vehicles such as electric bicycle, electro-tricycle, Segway Human Transporter, electric bicycle, abbreviation small power electric vehicle.
Assuming that braking friction needed for small power electric vehicle is 200 newton, Vehicle Speed is 5 meter per seconds (18 kilometers/hour),
The mechanical work that its braking friction is produced is about 1KW.Consider the efficiency of mechanical energy transmission efficiency and mechanical energy converting electrical energy, generate electricity
Power is about 800W, and the power is about travelling the twice of required motor rated power.The braking electrical power generating system of vehicle is at present
Rubbed by tire and transmit mechanical energy, there is provided illumination and mobile phone charge, and power is several watts, can produce fraction brake force.When tasting
When examination carries out more high-power generator using braking friction, if still transmitting Brake Energy using the friction of friction pulley and tire
Amount, the tire of vehicle can produce heavy wear, and Life of Tyre is greatly shortened.
How braking friction is changed into mechanical rotation, and controls the size of braking friction, pushing generator rotor hair
Electricity, is the problem of urgent need to resolve.
The content of the invention
The present invention is in order to solve the problems, such as to be proposed in background technology, there is provided the braking friction hair on a kind of electric automobile
Electric system, causes that roller rotates, by the tooth coaxial with roller using the braking friction produced using roller and brake(-holder) block friction
Cone drives generator amature rotary electrification.
The present invention proposes the drag friction force generating system on a kind of electric automobile, including the braking rotated together with wheel
Symmetrically lay two taper rollers, roller and brake(-holder) block in disk and fixed brake(-holder) block on the disc brake rotor, the two sides of brake disc plane
There is gap under non-brake state, two pincerlike firmly close contacts with brake(-holder) block of roller produce friction under on-position
Power；Two rollers connect cone with teeth by connecting shaft respectively, and two tooth cones engage generator amature, the tooth cone of left and right two and hair
There is the field of conjugate action between rotor；Be provided with rotating shaft in one end that the connecting shaft and tooth cone are connected, the roller, connecting shaft and
Tooth cone is rotated around rotary shaft, and the right and left roller pincer is exerted oneself, and two rollers is contacted the brake(-holder) block on brake disc two sides simultaneously,
Friction brake torque is bored and passes to generator amature by two rollers in left and right by the tooth of left and right two, controls roller with brake(-holder) block
Contact force, to control brake force size, so as to change electrical power generators electricity.
In the above-mentioned technical solutions, the roller is coated with polylith friction plate, and friction plate is consumable accessory, is conveniently replaceable.
In the above-mentioned technical solutions, the friction plate is made of wear-resistant metal material or composite.
In the above-mentioned technical solutions, the field of conjugate action between the tooth cone and generator amature is curved surface, the field of conjugate action
Section is one section of circular arc, and the coordinate of the center of circle of the circular arc is operated on the axle center of the rotary shaft of rotation in brake force, when roller is by non-system
When dynamic state is changed into on-position, i.e., when roller and tooth cone rotate around the axis together, tooth cone is nibbled with the field of conjugate action of generator amature
Tightness degree is closed not change.
In the above-mentioned technical solutions, the generator amature is outer rotor.
In the above-mentioned technical solutions, the exciter current of generator size control generator that the field power supply of adjustment motor is provided
Torque, to control braking friction size.
Braking electrical power generating system of the invention, brake force is big, and generated output is big, and roller and brake(-holder) block are using vapour in the prior art
Car brake material can provide enough frictional force, this frictional force i.e. brake force with less abrasion.Using roller and braking
The braking friction that piece friction is produced causes that roller rotates, and generator amature rotary electrification is driven by the tooth cone coaxial with roller.
Braking friction is changed into mechanical rotation, pushing generator rotor generates electricity.If braking produces stiction, control generator to turn
Square can just control brake force.
The present invention controls roller by controlling roller with the normal pressure of brake(-holder) block and the exciting current of control generator
With the size of the frictional force of brake(-holder) block, so as to control vehicle deceleration.
Brief description of the drawings
Fig. 1 is brake disc drag friction power generator tool transmission generalized section in the present invention.
Explanation is numbered in figure：1st, brake disc；2nd, brake(-holder) block；3rd, roller；4th, friction plate；5th, connecting shaft；6th, tooth cone；7th, engage
Face；8th, generator amature；9th, rotary shaft.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail：
Drag friction force generating system on electric automobile as shown in Figure 1, including the brake disc 1 rotated together with wheel
With fixed brake(-holder) block 2 on the disc brake rotor, two taper rollers 3, roller 3 and brake(-holder) block are symmetrically laid in the two sides of brake disc plane
2 have gap under non-brake state, and two pincerlike firmly close contacts with brake(-holder) block 2 of roller produce friction under on-position
Power；Two rollers bore 6 by the tooth connection of connecting shaft 5 respectively, and tooth cone 6 engages generator amature 8, the tooth cone of left and right two and generator
Two fields of conjugate action 7 that rotor 8 is present；Roller 3, connecting shaft 5 and tooth cone 6 rotates around rotary shaft 9, when pincerlike to the right and left roller
Firmly, two rollers are made to contact the brake(-holder) block on brake disc two sides simultaneously, the roller of left and right two is by friction brake torque by left and right
Two tooth cones pass to generator amature 8, control roller and the contact force of brake(-holder) block, brake force size can be controlled, so as to change
Become electrical power generators electricity.Roller 3 is coated with polylith friction plate 4.Friction plate 4 is consumable accessory, is conveniently replaceable.Friction plate 4 is adopted
With the wear-resistant metal material or composite of prior art.Tooth cone 6 is curved surface with the field of conjugate action 7 of generator amature 8, and its section is
One section of circular arc, the coordinate of the center of circle of the circular arc operates the position of the rotary shaft 9 of rotation in brake force.So cause when roller 3 is by non-
When on-position is changed into on-position, that is, roller 3 and tooth cone 6 together around the shaft 9 rotate when, do not change tooth cone 6 with generate electricity
The engagement tightness degree of the field of conjugate action 7 of machine rotor 8.Generator amature 8 is outer rotor.Because outer rotor generator torque is big, can carry
For larger brake force.Adjustment exciter current of generator size control generator torque, to control braking friction size.
Using the brake power generating machine of the structure, brake force is big, and generated output is big.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with
Good embodiment has been described in detail to the present invention, it will be understood by those within the art that, can be to skill of the invention
Art scheme is modified or equivalent, and without deviating from the objective and scope of technical solution of the present invention, it all should cover at this
In the right of invention.
Claims (6)
1. the drag friction force generating system on a kind of electric automobile, it is characterised in that：
Including the brake disc (1) rotated together with wheel and fixed brake(-holder) block (2) on the disc brake rotor, brake disc (1) plane
Two taper rollers (3) are symmetrically laid on two sides, and roller (3) and brake(-holder) block (2) have gap under non-brake state, in braking shape
Two pincerlike firmly close contacts with brake(-holder) block (2) of roller produce frictional force under state；Two rollers (3) pass through connecting shaft respectively
(5) connect cone (6) with teeth, two teeth cone (6) engage generator amature (8), left and right two tooth cone and generator amature (8) it
Between have the field of conjugate action (7)；Rotating shaft (9), the roller (3), company are provided with one end that the connecting shaft (5) is connected with tooth cone (6)
Spindle (5) and tooth cone (6) are rotated around rotary shaft (9), and the right and left roller (3) pincer is exerted oneself, and make two rollers (3) while connecing
The brake(-holder) block (2) on brake disc (1) two sides is touched, friction brake torque is bored (6) and passed by the roller (3) of left and right two by the tooth of left and right two
The contact force of generator amature (8), control roller (3) and brake(-holder) block (2) is passed, to control brake force size, so as to change hair
Electric power generation electricity.
2. the drag friction force generating system on electric automobile according to claim 1, it is characterised in that：The roller
(3) it is coated with the friction plate (4) that polylith is conveniently replaceable.
3. the drag friction force generating system on electric automobile according to claim 2, it is characterised in that：The friction plate
(4) it is made of wear-resistant metal material or composite.
4. the drag friction force generating system on electric automobile according to claim 1, it is characterised in that：The tooth cone
(6) field of conjugate action (7) and between generator amature (8) is curved surface, and the section of the field of conjugate action (7) is one section of circular arc, the circular arc
Coordinate of the center of circle in brake force operation rotation rotary shaft (9) axle center on, when roller (3) from non-brake state be changed into brake shape
During state, i.e. roller (3) and tooth cone (6) be when (9) rotate around the shaft together, the field of conjugate action (7) of tooth cone (6) and generator amature (8)
Engagement tightness degree does not change.
5. the drag friction force generating system on electric automobile according to claim 1, it is characterised in that：The generator
Rotor (8) is outer rotor.
6. the drag friction force generating system on electric automobile according to claim 1, it is characterised in that：Adjustment motor
The exciter current of generator size control generator torque that field power supply is provided, to control braking friction size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710217733.4A CN106849496B (en) | 2017-04-05 | 2017-04-05 | Drag friction force generating system on electric car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710217733.4A CN106849496B (en) | 2017-04-05 | 2017-04-05 | Drag friction force generating system on electric car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106849496A true CN106849496A (en) | 2017-06-13 |
| CN106849496B CN106849496B (en) | 2018-11-27 |
Family
ID=59142611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710217733.4A Expired - Fee Related CN106849496B (en) | 2017-04-05 | 2017-04-05 | Drag friction force generating system on electric car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106849496B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101544194A (en) * | 2009-04-30 | 2009-09-30 | 浙江大学 | Automotive braking energy recovering device |
| CN103552552A (en) * | 2013-10-21 | 2014-02-05 | 沈阳建筑大学 | Novel automobile braking energy recycling device |
| CN205131216U (en) * | 2015-11-23 | 2016-04-06 | 华北电力大学（保定） | Car braking system energy recuperation device |
-
2017
- 2017-04-05 CN CN201710217733.4A patent/CN106849496B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101544194A (en) * | 2009-04-30 | 2009-09-30 | 浙江大学 | Automotive braking energy recovering device |
| CN103552552A (en) * | 2013-10-21 | 2014-02-05 | 沈阳建筑大学 | Novel automobile braking energy recycling device |
| CN205131216U (en) * | 2015-11-23 | 2016-04-06 | 华北电力大学（保定） | Car braking system energy recuperation device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106849496B (en) | 2018-11-27 |
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| GR01 | Patent grant | ||
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Granted publication date: 20181127 Termination date: 20210405 |