CN103795179B - The liquid-cooled efficient TM motor of pure electric automobile strap brake power-assisted - Google Patents
The liquid-cooled efficient TM motor of pure electric automobile strap brake power-assisted Download PDFInfo
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- CN103795179B CN103795179B CN201210421430.1A CN201210421430A CN103795179B CN 103795179 B CN103795179 B CN 103795179B CN 201210421430 A CN201210421430 A CN 201210421430A CN 103795179 B CN103795179 B CN 103795179B
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- motor
- boost pump
- vacuum
- brake boost
- vacuum brake
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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
- 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
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Abstract
The present invention relates to a kind of complete closed internal liquid cooling formula TM high efficiency motor used for electric vehicle, it is integrated with high precision position sensor and vacuum booster pump.Additionally add sealing device special at electric motor end cap mouth, axle head, connection jaws, each connecting end surface etc., the waterproof purpose of motor reaching good.TM high efficiency motor torque of the present invention is big, dynamic property good, energy-efficient, noise is low, airtight reliably.This technology can effectively control temperature rise when motor runs up, can be the most waterproof, it is ensured that in the case of rainy day or surface gathered water, and motor safety runs, thus improves motor working efficiency and the security performance of motor and degree of protection, extends its service life.
Description
Technical field
The present invention relates to driving motor of pure electric automobile technology, a kind of liquid-cooled used for electric vehicle efficiently drives
Galvanic electricity machine (Technological Motor is called for short efficient TM motor).This is a kind of driving powerful, airtight, liquid-cooled scattered
Heat, high-efficiency electric automobile drive motor.Brake power-assisted and position sensor are integrated by this driving motor with TM motor, tool
There are the features such as volume is little, lightweight, energy-efficient, function is many.
Background technology
The motor type driven currently as electric automobile has asynchronous motor, permanent magnetic brushless and switching magnetic-resistance electricity
Machine.Induction motors torque fluctuation is less, but inefficient, especially at low-speed stage；Permanent magnetic brushless efficiency is higher, but system
Making complex process, have demagnetization problem, reliability is the highest, the most undesirable；TM motor is at switched reluctance machines architecture basics
On the motor that grows up, have firm in structure, reliability is high, full operating range internal efficiency is high, low starting current and high start
The advantage of torque, these are all that other type of motor is incomparable.On fuel-engined vehicle, brake power-assisted technology is relatively
Maturation, the vacuum servo valve of vacuum booster is by accessing the vacuum admission line of electromotor, after electromotor starts, electromotor
Vacuum at inlet manifold rises, and therewith, the vacuum room of vacuum booster, the vacuum of application air chamber all rise, and locates
In the SBR worked at any time.When the brake is applied, brake pedal, pedal force acts on control valve after lever amplification
On push rod, reach the purpose of brake power-assisted.And pure electric automobile to solve to brake, and outer can only to add electric brake power-assisted true for power-assisted
Empty pump realizes, and pressure time delay to be increased switchs.The present invention is high with TM for simple mechanical centrifugal formula brake power-assisted vacuum pump
Effect motor combines and defines many power assemblies driving motor of pure electric automobile.
The rotation of TM high efficiency motor be unable to do without position sensor, and existing position sensor volume is relatively big, due to electronic vapour
The limited space of car, has the electrocar of certain restriction, especially forerunner to the volume of motor and size.The present invention combines
The construction features of TM motor, carries out Integrated design by high precision position encoder and motor so that position sensor takes up room
Little, coding disk position detecting circuit plate is easily installed, regulates, it is achieved that encoder and the structure design of TM motor integration, rises
Go out enough spaces and realize electric automobile brake vacuum assist.
Summary of the invention
It is an object of the invention to provide the electric vehicle-mounted complete closed liquid-cooled efficient TM electricity of a kind of strap brake power-assisted vacuum pump
Machine, it is integrated with high precision position sensor, and motor is energy-efficient, torque is big, dynamic property is good, reliability is high, the life-span is long.Should
Technology can solve the brake of vehicle-mounted pure electric automobile and lose the problem of power-assisted, drives motor for preventing water problems and other types to drive electricity
Motor-driven hypodynamic problem.
Technical scheme is as follows:
Electric vehicle-mounted complete closed liquid-cooled TM motor is waterproof, heat dissipation design:
As it is shown in figure 1, TM motor by double-salient-pole structure stator 1, rotor 2, multifunctional axial 3, drive end bearing bracket 4, rear end cap 5,6,
Motor housing 7, stator jackscrew 8, connection jaws cover plate 9, bearing 10 and 11, fore bearing chamber cap and coding disk mounting seat 12, liquid are cold
Agent import and export 13 and 14, grating coding disk 15, luminous tube installing hole 16, grating encoder circuit board 17, vacuum brake boost pump
Base 18, vacuum brake boost pump oil sealing room 19, vacuum brake boost pump 20, vacuum brake boost pump seal groove 21, vacuum are stopped
Car boost pump gear shaft 22, the sealing ring 23,24,25,26,27,28 and 29 of multiple position, rear bearing chamber cap 30, connection speed change
The ring flange 31 and TM electric motor end cap bolts 32,33,34,35 of case etc. form.Wherein front and rear cover 4,5,6 is with motor housing 7 even
There is sealing ring 24 and 26 at the place of connecing；Have between fore bearing chamber cap 4, bearing chamber cap and coding disk mounting seat 11 and vacuum booster pump 16
Sealing ring 26 and 27；The countershaft of bearing chamber cap and coding disk mounting seat 12 and vacuum brake boost pump 20 there is double oil seal,
To ensure that the oil in brake boost pump will not be along axial wall seepage.Two axle heads, motors at motor interface cover plate 9, rotor connect
It is equipped with sealing gasket, sealing ring, water proof ring at line lid periphery and incoming line, Inlet and outlet water port, closed position sensor.Above
Design ensure that TM motor total enclosing and waterproof.
The heat dissipation design of TM motor is to devise coolant as shown in Figure 2 in FIG on drive end bearing bracket 4 to import and export 13,14, should
Importing and exporting and lead directly to cooling duct 37 by pipeline, cooling duct is designed to U-shaped distribution on shell, is distributed phase with motor winding
Unanimously, being so conducive to dispersing of winding position heat, the coolant 36 in cooling duct 37 is discharged from cooling liquid outlet
After through pipeline enter cooling pump, by cooling pump outlet enter cooling water tank, the size of cooling water tank according to TM motor dissipate
The requirement of heat calculates design.This completes the heat dissipation design of TM motor.
With TM motor integration high precision position sensor design:
Grating encoder is by grating encoder mounting seat 12, grating encoder bearing, grating coding disk 15, light in Fig. 1
Grid encoder testing circuit plate 17, luminous tube and phase disk etc. form.Fig. 3 is grating encoder bearing, by grating encoder axle
Bearing bore 40 is connected with TM motor front axle, fixes by grating encoder bearing keyway 39, by the grating coding disk 15 shown in Fig. 4 through essence
Close machinery is pasted onto on grating encoder base 38, and uses jump ring clamping, in order to avoid getting loose.As shown in Figure 4, grating encoder is by rotating speed light
Grid 41 and position grating 42 two parts composition, the circulation binary system grating of rotating speed grating and increment type grating just as, be all by non-
The finest equidistant grating grid circumferentially shape is arranged in order and forms, therefore, it is possible to reach the highest accuracy of detection；Position light
Grid are to have the equidistant gratings strips of longer light and shade to become circle-shaped being arranged in order to form, the quantity of light and shade striped and the stator of TM motor
Number of poles is identical, and such as 12/8 pole TM motor, then position grating just has 8 printing opacity gratings strips and 8 shading gratings strips successively
Arrangement forms, and the arc length of two kinds of gratings strips is equal.Three-phase TM motor just has three layers of 8 printing opacity gratings strips.The present invention uses
Grating encoder is based on 12/8 pole TM design of electrical motor, and rotating speed grating has reached 1024 gratings, and resolution is 0.175 °, minimum
Grating space is 0.1mm.By position sensor bearing, Fig. 5 testing circuit plate, photocell mounting seat are arranged on Fig. 4 institute
Showing on the 41 of bearing, photocell embeds Fig. 5 photocell installing hole 45, and the encoder testing circuit plate shown in Fig. 6 is passed through circuit
Plate installing hole 48,49,50 fixes, by with drive end bearing bracket installing hole 46,47 by adjust stator and rotor relative to position base with
Drive end bearing bracket is fixed.The left view of drive end bearing bracket is as shown in Figure 7.During adjustment encoder is consistent with TM motor rotor position, light
Fulgurite can slide in photocell turnover zone 51, after adjustment by installing hole 52 and Fig. 6 with drive end bearing bracket installing hole 46,
47 fasten with bolt, are fixed by position sensor.
Brake vacuum assist designs:
Pure electric automobile does not has fuel engines, wants to realize brake power-assisted, needs electric vacuum booster as shown in Figure 8
System realizes brake power-assisted.Electric vacuum pump to be used, and vacuum pressure alarm to be equipped with.The present invention applies
Mechanical vacuum boost pump and TM motor organic assembling, generation braking vacuum servo force system, simple in construction, reliable and stable.Machinery
Formula vacuum booster pump is mainly made up of parts such as the pump housing, rotor, slide block, pump cover, gear, sealing rings.Fig. 9 is at the bottom of vacuum booster pump
The front view of seat, it has two off-centre operations of size 54,55, and the rotor in vacuum booster pump is through TM motor vacuum servo gear
Axle 22, drives the rotation of the boss 54 and 55 on off-centre operation along Figure 10 in the direction rotated by motor of four slide blocks, and slide block is certainly
Under the effect of body centrifugal force, being close to pump housing inwall and slide, air-breathing operating room constantly expands, and pumped gas is opened by suction nozzle
Check valve (the built-in check valve of pump, system is risen pressure maintaining effect) enters vacuum air storage tank.When slide block goes to certain position, air-breathing
Complete.Now, the gas of suction is isolated, and rotor continues to rotate, and segregate gas is gradually compressed pressure and raises.When
When operating room goes to communicate with venthole, gas is discharged from venthole, in case brake produces power-assisted in sending into vacuum booster.?
Seal groove 21, embedding sealing circle 23 is had to be possible to prevent pump internal gear oil to leak outside on vacuum servo pump frame.
Accompanying drawing explanation
Fig. 1 TM high efficiency motor axial, cross-sectional view
Fig. 2 TM high efficiency motor cooling system elevation cross-sectional view
Fig. 3 position sensor bearing axonometric chart
Fig. 4 grating encoder left view
Fig. 5 testing circuit plate, photocell mounting seat left view
Fig. 6 Grating examinations circuit board left view
Fig. 7 TM motor front end cover left view
Fig. 8 electric brake vacuum boost system
Fig. 9 brake vacuum assist pump frame front view
Figure 10 brake vacuum assist pump frame left view
Detailed description of the invention
Illustrate below according to attached Figure 110:
TM motor by double-salient-pole structure stator 1, rotor 2, multifunctional axial 3, drive end bearing bracket 4, rear end cap 5,6, motor housing 7,
Stator jackscrew 8, connection jaws cover plate 9, bearing 10 and 11, fore bearing room and end cap and coding disk mounting seat 12, the turnover of liquid cryogen
Mouthfuls 13 and 14, grating coding disk 15, luminous tube installing hole 16, grating encoder circuit board 17, vacuum brake boost pump base 18,
Vacuum brake boost pump oil sealing room 19, vacuum brake boost pump 20, vacuum brake boost pump seal groove 21, vacuum brake boost pump
Gear shaft 22, the sealing ring 23,24,25,26,27,28 and 29 of multiple position, rear bearing chamber cap 30, the flange of connection change speed gear box
Dish 31 and TM electric motor end cap bolts 32,33,34,35 etc. form.TM electricity fore bearing room and end cap and coding disk mounting seat 12 are such as
Shown in Fig. 7, after end cap 12 and motor stator casing 7 being fastened, testing circuit plate, photocell are arranged on the base shown in Fig. 5
On, and connect at position sensor bearing base 41, then grating coding disk 15 is bonded in position with precision instrument and passes
On sensor bearing grating encoder base 38, by with testing circuit plate, photocell mounting seat 12, optical code disk 15 bearing through
On motor shaft, adjust position sensor base 12, be allowed to align with rotor, base 12 fixed with end cap 4, then installs
Vacuum brake boost pump base 18, installs sealing ring, vacuum booster pump 20 and boost pump base 18 is bolted tightly
Gu, thus constitute the TM high efficiency motor of strap brake vacuum servo and high-precision encoder.
Claims (1)
1. a motor used for electric vehicle, it is characterised in that including: double-salient-pole structure stator (1), rotor (2), motor shaft
(3), drive end bearing bracket (4), rear end cap (5,6), motor housing (7), stator jackscrew (8), connection jaws cover plate (9), bearing (10,11),
Fore bearing room, liquid cryogen import (13) and liquid cryogen outlet (14), luminous tube installing hole (16), the first sealing ring (24,25,26,
27,28,29), rear bearing chamber cap (30), connect the ring flange (31) of change speed gear box, the bolt that is arranged on described drive end bearing bracket (4)
(34,35) and the bolt (32,33) being arranged on described rear end cap；
Described motor also includes that the position sensor with motor integration, described position sensor include that grating encoder installs the end
Seat (12), grating encoder bearing, grating coding disk (15), grating encoder testing circuit plate (17), luminous tube and phase disk,
Drive end bearing bracket (4) is designed with luminous tube turnover zone (51) and the bolt mounting holes being connected with grating encoder mounting seat (12)
(52)；
Described motor also includes that the brake booster device integrated with motor, described brake booster device include vacuum brake boost pump
Base (18), vacuum brake boost pump oil sealing room (19), vacuum brake boost pump (20), vacuum brake boost pump seal groove
(21), vacuum brake boost pump gear shaft (22) and the second sealing ring (23)；Vacuum brake boost pump base (18) is position
The end cap of sensor is also the convex surface that vacuum brake boost pump produces vacuum, and it has large eccentricity circular bosses (54) and small eccentricity circle
Boss (55), and have the first connecting bolt installing hole (57) and the second connecting bolt installing hole (58), wherein first connects spiral shell
Bolt installing hole (57) is that the connecting bolt that vacuum brake boost pump oil sealing room (19) is connected with vacuum brake boost pump (20) is installed
Hole, the second connecting bolt installing hole (58) is the connecting bolt that vacuum brake boost pump oil sealing room (19) is connected with drive end bearing bracket (4)
Installing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210421430.1A CN103795179B (en) | 2012-10-30 | 2012-10-30 | The liquid-cooled efficient TM motor of pure electric automobile strap brake power-assisted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210421430.1A CN103795179B (en) | 2012-10-30 | 2012-10-30 | The liquid-cooled efficient TM motor of pure electric automobile strap brake power-assisted |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103795179A CN103795179A (en) | 2014-05-14 |
| CN103795179B true CN103795179B (en) | 2016-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210421430.1A Expired - Fee Related CN103795179B (en) | 2012-10-30 | 2012-10-30 | The liquid-cooled efficient TM motor of pure electric automobile strap brake power-assisted |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105262386A (en) * | 2015-11-24 | 2016-01-20 | 广东轻工职业技术学院 | Electric control system for integrated motor |
| TWI662869B (en) * | 2016-01-28 | 2019-06-11 | 至禾機器工業有限公司 | Driving device of processing machine |
| CN105915011A (en) * | 2016-06-27 | 2016-08-31 | 江西东江机电有限公司 | Vacuum pump brushless motor of automobile brake system |
| CN108258862B (en) * | 2018-01-11 | 2019-08-13 | 杭州电子科技大学 | The switched reluctance motor of lowripple torque |
| CN110319129B (en) * | 2018-03-30 | 2021-06-22 | 瀚德万安(上海)电控制动系统有限公司 | Electromechanical brake and electric actuator therefor |
| CN111173866B (en) * | 2020-01-07 | 2021-11-19 | 中车青岛四方车辆研究所有限公司 | State detection device and method, brake cylinder, brake caliper unit and brake system |
| CN112510954A (en) * | 2021-01-13 | 2021-03-16 | 江苏苏仪集团有限公司 | Outer rotor switched reluctance direct-drive roller |
| CN113131653B (en) * | 2021-04-17 | 2022-08-26 | 台州立克科技有限公司 | Mechanical automatic refrigeration and heat dissipation motor |
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| CN101695924A (en) * | 2009-10-21 | 2010-04-21 | 深圳市陆地方舟电动车有限公司 | Electric power assisting brake auxiliary system of electric car |
| CN201457356U (en) * | 2009-05-07 | 2010-05-12 | 纽贝耳汽车(杭州)有限公司 | Vacuum booster braking system for electric vehicles |
| CN201736828U (en) * | 2009-12-31 | 2011-02-09 | 上海汽车集团股份有限公司 | Braking energy recovery system |
| CN102055294A (en) * | 2009-11-05 | 2011-05-11 | 张世清 | Permanent-magnet multiplied-pole generator for switched reluctance motor |
| CN102343901A (en) * | 2011-07-13 | 2012-02-08 | 扬州三方电器有限公司 | Waterproof type brake power assisting device of electric automobile |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001334929A (en) * | 2000-05-29 | 2001-12-04 | Mitsubishi Motors Corp | Brake control device for hybrid vehicle |
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2012
- 2012-10-30 CN CN201210421430.1A patent/CN103795179B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201457356U (en) * | 2009-05-07 | 2010-05-12 | 纽贝耳汽车(杭州)有限公司 | Vacuum booster braking system for electric vehicles |
| CN101695924A (en) * | 2009-10-21 | 2010-04-21 | 深圳市陆地方舟电动车有限公司 | Electric power assisting brake auxiliary system of electric car |
| CN102055294A (en) * | 2009-11-05 | 2011-05-11 | 张世清 | Permanent-magnet multiplied-pole generator for switched reluctance motor |
| CN201736828U (en) * | 2009-12-31 | 2011-02-09 | 上海汽车集团股份有限公司 | Braking energy recovery system |
| CN102343901A (en) * | 2011-07-13 | 2012-02-08 | 扬州三方电器有限公司 | Waterproof type brake power assisting device of electric automobile |
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| Publication number | Publication date |
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| CN103795179A (en) | 2014-05-14 |
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Effective date of registration: 20160107 Address after: 551700 Guizhou Province, Bijie city seven cities in Northwest Guizhou Industrial Park A District Applicant after: Bijie Tian Yu power Science and Technology Co., Ltd. Address before: 100044 Beijing city Haidian District Xizhimen Yuen Electrical Engineering Building Room 208 No. 3 Applicant before: Wang Yan Applicant before: Yin Tianming |
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