CN103465763A - A0-grade pure electric car power battery arrangement scheme - Google Patents

A0-grade pure electric car power battery arrangement scheme Download PDF

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Publication number
CN103465763A
CN103465763A CN2013103609479A CN201310360947A CN103465763A CN 103465763 A CN103465763 A CN 103465763A CN 2013103609479 A CN2013103609479 A CN 2013103609479A CN 201310360947 A CN201310360947 A CN 201310360947A CN 103465763 A CN103465763 A CN 103465763A
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CN
China
Prior art keywords
electrokinetic cell
battery
power battery
suspension
mounting structure
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Pending
Application number
CN2013103609479A
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Chinese (zh)
Inventor
侯艳丽
林逸
许红军
王殿生
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BEIJING AUTO NEW ENERGY AUTO Co Ltd
Beijing Electric Vehicle Co Ltd
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BEIJING AUTO NEW ENERGY AUTO Co Ltd
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Priority to CN2013103609479A priority Critical patent/CN103465763A/en
Publication of CN103465763A publication Critical patent/CN103465763A/en
Pending legal-status Critical Current

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  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The invention provides an A0-grade pure electric car power battery arrangement scheme. A power battery and an installing structure of the power battery are arranged under a vehicle body floor, are positioned between left and right vertical beams and front and back suspension frames, and maintain reasonable gaps with the left and right vertical beams and the front and back suspension frames, and the space requirements of charging wire harnesses and braking oil pipes are met. According to parameters including the arrangement requirements of the man-machine engineering, the structure of a vehicle body lower floor, an installing structure of a chair, the arrangement requirements of internal battery cells of the power battery and the like, the structure is designed into the step-shaped structure with different heights that the front section of the battery is lower, and the back section of the battery is higher. A lower bottom surface is determined to ensure that the minimum ground clearance and the vertical passing angle of the whole vehicle meet the whole vehicle design relevant requirements. The A0-grade pure electric car power battery arrangement scheme has the advantages that the maximum size of the battery is ensured, the utilization rate of the internal space of the power battery is ensured, and the modification on the prototype vehicle is reduced to the maximum degree. The reasonable axial load distribution of the whole vehicle is ensured through the arrangement position of the power battery on the whole vehicle, so the vehicle has good operation stability, and the running safety of the vehicle is ensured.

Description

A0 level pure electric sedan electrokinetic cell arrangement
Technical field
The present invention relates to the electric vehicle engineering field, the optimal layout that relates in particular to a kind of A0 level pure electric sedan electrokinetic cell and form in car.
Background technology
Electrokinetic cell is the propulsion source of electronlmobil, it is the memory storage of energy, its amount of capacity directly affects the course continuation mileage of battery-driven car, the number of its stored energy directly has influence on the car load continual mileage, under the certain prerequisite of battery core energy density, the size of its volume has determined the number of its stored energy, and different electrokinetic cell arrangements has directly determined the size of its volume.The research of battery technology is one of core technology of current Development of Electric Vehicles.In the last few years, due to the generation of energy shock and the people raising to environmental requirement, the new-energy automobile exploitation became focus.
The layout type of current driving force battery mainly contains two kinds.A kind of is that whole battery is concentrated arrangement, but this kind of mode need to cause change to floor and longeron, to forming the harm that easily causes potentiality.The another kind of layout type of electrokinetic cell is that distributing is arranged, the polylith battery is fixed on to the free spaces such as forward engine room, body platform below, boot, this form is not easy to the Assembly &Disassembly battery pack, the battery of boot is different from the battery context temperature of body platform below simultaneously, is not easy to the design of car load heat management system.In addition, if arranging separately battery, forward engine room or boot can cause front and back axle load skewness, to the road-holding property generation harmful effect of car load.
Electrokinetic cell is arranged in the body platform below, need to meet the layout demand of car load other system, thereby the volume that makes electrokinetic cell is subject to very large restriction, especially for guaranteeing the reasonable road clearance that car load has, the height of electrokinetic cell is restricted, this tool of volume to whole electrokinetic cell of height has a great impact, and then affects the course continuation mileage of electrokinetic cell stored energy and battery-driven car.
In order to increase the stored energy of electrokinetic cell, mmi machine cabin or boot increase one or more power brick.But this form is not easy to the Assembly &Disassembly battery, the battery of boot or forward engine room is different from the battery context temperature of body platform below simultaneously, is not easy to the design of car load heat management system.In addition, if arranging separately battery, forward engine room or boot can cause front and back axle load skewness, to the road-holding property generation harmful effect of car load.
Existing battery-driven car, due to the electrokinetic cell finite volume, so the electrokinetic cell stored energy is less, causes the battery-driven car course continuation mileage shorter.
Summary of the invention
The objective of the invention is to design the new layout of a kind of A0 level pure electric sedan electrokinetic cell, the automobile original structure do not carried out to the destructiveness change and changing under minimized condition, battery can be optimized layout at Che Nei, and the battery volume can reach rational maximization.
Structure of the present invention is design like this:
The present invention is a kind of A0 level pure electric sedan electrokinetic cell arrangement, and the composition main points of this arrangement are:
Electrokinetic cell and mounting structure thereof are arranged in the body platform below, and between left longeron and right vertical beam, electrokinetic cell and left-right longeron keep rational gap, and meet the space requirement of charging wire harness and brake pipe.
The height of electrokinetic cell, according to the layout demand of human engineering, the structure of vehicle body lower floor, the mounting structure of seat and the parameters such as layout demand of the inner battery core of electrokinetic cell, is designed to the different ladder-type structure of height that the battery leading portion is low, the battery back segment is high.
The bottom surface of electrokinetic cell is one to be parallel to the plane on ground, and its bottom surface is determined and guaranteed that car load road clearance and ramp breakover angle meet the related request of car load design.
Electrokinetic cell and mounting structure thereof are arranged between front suspension and rear suspension, and and fore suspension and rear suspension between retained rational gap, guaranteed that fore suspension and rear suspension all do not interfere with electrokinetic cell under any mode of operation, and guaranteed that the battery length direction has large as far as possible size.
Technique effect of the present invention is:
The arrangement of electrokinetic cell disclosed by the invention, when meeting car load other system reasonable Arrangement, guaranteed that electrokinetic cell has maximized volume, and the course continuation mileage of car load is significantly improved.
Electrokinetic cell and left-right longeron have kept rational gap, meet the space requirement of charging wire and brake pipe.
Electrokinetic cell has ten attachment points, guarantees the installation that electrokinetic cell is good and fixes; Electrokinetic cell has two locating dowel pins, plays good guiding and fixation in the electrokinetic cell installation process.
The structure design of electrokinetic cell has guaranteed the degree of utilization of electrokinetic cell inner space, has reduced to greatest extent the change to prototype engine.
The present invention, when guaranteeing chaufeur and the reasonable sitting posture of occupant, guarantees that car load has reasonable ground Clearance and good crossing ability.
The position of this electrokinetic cell on car load guarantees that car load has rational axle load and distributes, thereby makes vehicle have good road-holding property, guaranteed the driving safety of vehicle.
The accompanying drawing explanation
Fig. 1 is electrokinetic cell layout elevational schematic view of the present invention,
Fig. 2 is electrokinetic cell layout schematic side view of the present invention,
Fig. 3 is installation structure for power battery schematic diagram of the present invention.
In figure: 1.1, left longeron 1.2, right vertical beam 2, front suspension 3, front installation crossbeam 4, charging wire harness 5, rear installation crossbeam 6, rear suspension 7, ramp breakover angle 8, electrokinetic cell 9, brake pipe 10, road clearance 11, human body 12, locating dowel pin 13, front attachment point 14, side attachment point 15, rear attachment point.
The specific embodiment
Referring to Fig. 1, Fig. 2, the present invention is a kind of A0 level pure electric sedan electrokinetic cell arrangement, and the composition main points of this arrangement are:
1, electrokinetic cell 8 and mounting structure thereof are arranged in the body platform below, and between left longeron 1.1 and right vertical beam 1.2, electrokinetic cell 8 has kept rational gap with left-right longeron (1.1,1.2), and meet the space requirement of charging wire harness 4 and brake pipe 9.
2, the height of electrokinetic cell 8, according to the layout demand of human engineering, the structure of vehicle body lower floor, the mounting structure of seat and the parameters such as layout demand of electrokinetic cell 8 inner battery cores, is designed to the different ladder-type structure of height that the battery leading portion is low, the battery back segment is high.
3, the bottom surface of electrokinetic cell 8 is one to be parallel to the plane on ground, and its bottom surface is determined and guaranteed that car load road clearance 10 and ramp breakover angle 7 meet the related request of car load design.
4, electrokinetic cell 8 and mounting structure thereof are arranged between front suspension 2 and rear suspension 6, and and the minor increment of fore suspension and rear suspension (2,6) between retained rational gap, guaranteed that fore suspension and rear suspension (2,6) all do not interfere with electrokinetic cell 8 under any mode of operation, and guaranteed that battery 8 length directions have large as far as possible size.
The design of described electrokinetic cell 8 and installation are because meeting above-mentioned condition, and the volume of battery becomes maximization, and the space occupy-place also becomes optimization.
Below A0 level pure electric sedan electrokinetic cell arrangement of the present invention is further described in detail:
A kind of A0 level pure electric sedan electrokinetic cell arrangement, electrokinetic cell 8 and mounting structure thereof are arranged between the left-right longeron (1.1,1.2) of body platform below, between battery 8 and left longeron 1.1, it is brake pipe 9, between battery 8 and right vertical beam 1.2, be charging wire harness 4, between battery 8 and left longeron 1.1 and and right vertical beam 1.2 between the reasonable clearance that retains meet the space requirement of charge wire harness 4 and brake pipe 9 simultaneously.And, between electrokinetic cell 8 rear ends and left-right longeron, be parking brake cable and fixed sturcture thereof, the reasonable clearance of arranging between electrokinetic cell 8 rear ends and left-right longeron also makes parking brake cable and fixed sturcture thereof retain sufficient space requirement.Arrangement of the present invention had not both changed the arrangement structure of former car longeron, had guaranteed that again the cell widths direction has enough large size.In a word, the arrangement structure of electrokinetic cell has not only kept rational gap with left-right longeron, and has also guaranteed that high-voltage wiring harness, service brake oil pipe, parking brake cable have rational arrangement space.Reasonable clearance between electrokinetic cell and left-right longeron (1.1,1.2) is 30-60mm.
The height of electrokinetic cell 8 is parameter designing such as layout demand of the mounting structure of structure, seat of layout demand according to human engineering, vehicle body lower floor and electrokinetic cell 8 inner battery cores.The upper surface of electrokinetic cell 8 is not a plane, according to the space of human body 11, arranges and need to be designed to the ladder-type structure that the battery leading portion is low, the battery back segment is high.On the basis of the space requirement that this design plan is arranged at the human body that meets SAE95%, make battery 8 there is large as far as possible height.Described design guarantees that chaufeur and occupant have reasonable sitting posture, for proportional space has been reserved in the design of the mounting structure of chaufeur and seat.Because electrokinetic cell 8 is designed to different height, guaranteed the degree of utilization in inside battery space.The high 100-150mm of its battery leading portion, the high 250-300mm of battery back segment.The 3-5 that the front segment length of battery is segment length after battery doubly.
The bottom surface of electrokinetic cell 8 is planes, this plane is parallel to the ground, determining of this plane will guarantee that car load road clearance 10 and ramp breakover angle 7 need meet the related request of car load design, and the arrangement structure of electrokinetic cell guarantees that car load has reasonable ground Clearance and good crossing ability when fully laden.
Electrokinetic cell 8 and mounting structure thereof are arranged on the front installation crossbeam 3 and rear installation crossbeam 5 of setting up between front suspension 2 and rear suspension 6, retained rational gap with fore suspension and rear suspension (2,6), guaranteed to be suspended under any mode of operation and all do not interfered with battery 8, arrangement has guaranteed that battery 8 length directions have large as far as possible size.Gap between the closest range of battery and mounting structure thereof and front suspension 2 and rear suspension 6 is respectively 50-100mm.
Referring to Fig. 3, the mounting structure of electrokinetic cell has two locating dowel pins 12, lays respectively at front left side and right lateral side, plays good guidance and positioning action in the electrokinetic cell installation process.Installation structure for power battery has ten attachment points, and wherein two front attachment points 13 are arranged on front installation crossbeam 3; Each side three side attachment points 14, connected by being embedded in the inboard nut of left-right longeron (1.1,1.2); After two, attachment point 15 is fixed on rear installation crossbeam 5 by support.Ten attachment points of electrokinetic cell 8 have guaranteed the installation that electrokinetic cell 8 is good and have fixed.
Electrokinetic cell arrangement structure of the present invention is arranged in the body platform below, between left-right longeron and between fore suspension and rear suspension, reduced to greatest extent the change to prototype engine, the arrangement structure of electrokinetic cell is when guaranteeing chaufeur and the reasonable sitting posture of occupant, guarantee that car load has reasonable ground Clearance and good crossing ability, the position of this electrokinetic cell on car load guarantees that car load has rational axle load and distributes, and vehicle has good road-holding property, has guaranteed the driving safety of vehicle.

Claims (7)

1. an A0 level pure electric sedan electrokinetic cell arrangement is characterized in that: electrokinetic cell and mounting structure thereof are arranged in the body platform below, between left-right longeron and fore suspension and rear suspension.
2. electrokinetic cell arrangement according to claim 1 is characterized in that:
1), electrokinetic cell and left-right longeron keep rational gap, and meet the space requirement of charging wire harness and brake pipe;
2), the height of electrokinetic cell is according to the layout demand of human engineering, the structure of vehicle body lower floor, the mounting structure of seat and the parameters such as layout demand of the inner battery core of electrokinetic cell, is designed to the different ladder-type structure of height that the first section is low, the back part is high;
3), the bottom surface of electrokinetic cell is one to be parallel to the plane on ground, its bottom surface is determined and is guaranteed that car load road clearance and ramp breakover angle meet the related request of car load design;
4), retained rational gap between electrokinetic cell and mounting structure and fore suspension and rear suspension, guaranteed that fore suspension and rear suspension all do not interfere with electrokinetic cell under any mode of operation, and guaranteed that the battery length direction has large as far as possible size.
3. electrokinetic cell arrangement according to claim 2, it is characterized in that: between electrokinetic cell rear end and left-right longeron, be parking brake cable and fixed sturcture thereof, the reasonable clearance of arranging between electrokinetic cell rear end and left-right longeron also makes parking brake cable and fixed sturcture thereof retain sufficient space requirement.
4. electrokinetic cell arrangement according to claim 3, it is characterized in that: the reasonable clearance between electrokinetic cell and left-right longeron is 30-60mm.
5. electrokinetic cell arrangement according to claim 2, is characterized in that: the high 100-150mm of battery leading portion of electrokinetic cell, the high 250-300mm of battery back segment; The 3-5 that the front segment length of battery is segment length after battery doubly.
6. electrokinetic cell arrangement according to claim 2, it is characterized in that: electrokinetic cell and mounting structure thereof are arranged on the front installation crossbeam and rear installation crossbeam of setting up between front suspension and rear suspension, and the gap between battery and mounting structure thereof and fore suspension and rear suspension closest range is respectively 50-100mm.
7. according to claim 2,4,5 or 6 described electrokinetic cell arrangements, it is characterized in that: the mounting structure of electrokinetic cell has two locating dowel pins, lays respectively at front left side and right lateral side; Installation structure for power battery has ten attachment points, and wherein two front attachment points are arranged on front installation crossbeam; Each side three side attachment points, connected by the nut that is embedded in the left-right longeron inboard; After two, attachment point is fixed on rear installation crossbeam by support.
CN2013103609479A 2013-08-19 2013-08-19 A0-grade pure electric car power battery arrangement scheme Pending CN103465763A (en)

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CN104924885A (en) * 2015-05-22 2015-09-23 北京新能源汽车股份有限公司 Power battery and electric automobile
WO2016106658A1 (en) * 2014-12-29 2016-07-07 中国科学院深圳先进技术研究院 Electric vehicle battery pack
CN109292007A (en) * 2017-07-24 2019-02-01 铃木株式会社 Lower vehicle construction
CN109421805A (en) * 2017-08-28 2019-03-05 铃木株式会社 The body Structure of electric vehicle
CN109484489A (en) * 2017-09-11 2019-03-19 铃木株式会社 The body Structure of electric vehicle
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CN111950077A (en) * 2020-07-13 2020-11-17 南京金龙客车制造有限公司 Method for checking shielding performance of power battery system of pure electric vehicle
CN113682121A (en) * 2020-12-21 2021-11-23 厦门金龙汽车新能源科技有限公司 Solving method for optimal arrangement scheme of bottom battery of pure electric bus

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CN104924885A (en) * 2015-05-22 2015-09-23 北京新能源汽车股份有限公司 Power battery and electric automobile
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CN109484489A (en) * 2017-09-11 2019-03-19 铃木株式会社 The body Structure of electric vehicle
CN109484489B (en) * 2017-09-11 2022-04-05 铃木株式会社 Vehicle body structure of electric vehicle
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DE102018200329A1 (en) 2018-01-11 2019-07-11 Ford Global Technologies, Llc Chassis device of an electrically driven motor vehicle
DE102018200329B4 (en) 2018-01-11 2022-03-31 Ford Global Technologies, Llc Chassis device of an electrically driven motor vehicle
CN111950077A (en) * 2020-07-13 2020-11-17 南京金龙客车制造有限公司 Method for checking shielding performance of power battery system of pure electric vehicle
CN113682121A (en) * 2020-12-21 2021-11-23 厦门金龙汽车新能源科技有限公司 Solving method for optimal arrangement scheme of bottom battery of pure electric bus

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