Depth: study and judge the technical status of 2021 ideal one model platform
2021-08-26 23:05:46 【Wechat automobile】
2019 Later in the year , Ideal second model （ The first model is a low-speed electric vehicle , Delisting without listing due to non-compliance with national laws and regulations ）, using EREV Ideal for driving technology ONE list .2020 Later in the year , Ideal ONE Because it happens continuously 10 zong “ Broken shaft ” accident , And recall sold 1 More than ten thousand .2021 Earlier this year ,2021 The ideal ONE list .
Early ideals ONE The power system consists of 1 Three in-line cylinders 1.2T The engine （ Maximum output 96 kw ）、1 A generator （ Maximum generating power 60 kw ）、1 One front drive motor （ Maximum output 100 kw ）、1 One rear drive motor （ Maximum output 140 kw ） and 1 Three element lithium battery system （ Loading capacity 40.5 Degree electricity ） constitute .
among , In line three cylinder 1.2T The engine is provided by Dong'an power 、 The generator and front drive motor are provided by United electronics （ The dual electric control system is provided by Huichuan ）、 The rear drive motor is provided by BorgWarner 、 The central ternary lithium battery system is provided by Ningde times .
It should be noted that （1）, Early ideals ONE Launch a nickel cobalt lithium manganate battery system model purchased from Xi'an BYD （LXA6500SHEVM4）
2021 The ideal ONE The in-line three cylinders from Dong'an are still used 1.2T The engine , Maximum output power of generator 60 kw （ United electronics provides ）、 Maximum output power of front drive motor 100 kw （ United electronics provides ）、 The dual motor electric control system provides power for Huichuan , Post provided by Huichuan “3 close 1” The maximum output power of the electric drive assembly is increased to 145 kw , Behind BorgWarner “2 close 1” The drive motor is improved , The fuel tank volume is from 45 Lift to 55 l .
What's interesting is that , Ideal ONE Listed nearly 3 Year time , There are few media on the model platform of this car 、 In line three cylinder 1.2T The engine 、 Front and rear suspension and “ bulge ” The fuel tank at the lowest end of the body and “ Droop ” A detailed interpretation of the technical status such as a section of the exhaust pipe .
The new energy information and analysis network will be responsible for 2021 The ideal ONE After recall , Replace the lower part of the front suspension with a new one A Technical status of model platform of type-A swing arm “ characteristic ” Study and judge .
take 2021 The ideal ONE Visible after lifting , The front subframe made of steel has no lower guard 、 Front section of exhaust pipe 、 Soft connection 、 The middle section and tail section of the exhaust pipe are all exposed （ Bypass the front passenger side of the power battery ）.
The red arrow ： The rear end of the steel front subframe is “ artificial ” Set a set of “ Sunken ”, It is used to accommodate the part near the front end of the middle section of the exhaust pipe
Yellow arrow ：“ bulge ” The horizontal plane at the lowest end of the vehicle body is about 40mm（ Front subframe - The middle power battery is in the same horizontal plane ）
Blue arrow ： Steel guard plate for protecting iron fuel tank
take 2021 The ideal ONE Lift to a suitable height , Take the lowest horizontal line of the vehicle body as the reference , The middle section of the exhaust pipe indicated by the red arrow and the fuel tank guard indicated by the yellow arrow , All “ bulge ” At the lowest horizontal plane of the vehicle body .
Due to the exhaust pipe “ bulge ” On the front subframe , therefore 2021 The ideal ONE And old models cannot be equipped with lower guard as standard 、 Even the third-party supplier did not launch the protection in-line three cylinders because it was too difficult to manufacture 1.2T Guard for engine oil pan .
The picture above shows 2021 The ideal ONE Close up of technical status of front subframe .
The red arrow ： Steel frame front subframe
The green arrow ： Aluminum front knuckle
Yellow arrow ： Set up 1 The lower guard is used to protect the coolant at the front end of the power battery 、 High voltage cable and communication cable interface
Blue arrow ： Power battery driver side setting 1 Assemble the lower guard , Used to protect the brake fluid and fuel lines to the rear drive axle
What can be confirmed is 2021 The ideal ONE Adapted to ABS Under the material A The swing arm is in a new state . According to its official information , Next A The ball pin of type a swing arm is modified , It will not be damaged due to slight collision during driving “ Broken shaft ”.
The red arrow ： Aluminum front knuckle
Blue arrow ：ABS+ Steel material A Type swing arm （ Ball pin integrated setting ）
2021 The ideal ONE Next to A The strength of the ball pin part of the swing arm is increased to 50kN（ Previously 35kN）, It can reduce the ball pin from the steering knuckle during collision “ Draw out ” And “ Broken shaft ” Probability .
The red arrow ： In the new state A The ball pin of type a swing arm is set longer , It can increase the section and strength of reverse bolt fixation , Ensure that in case of medium and low speed collision A The swing arm ball pin will not be in the front knuckle because “ Draw out ” and “ Broken shaft ”
Yellow arrow ： The strength of the ball pin part （ Long ） The degree is strengthened
2021 The ideal ONE Another improvement over the old models is the evolution of the rear guard . The rear guard covers almost half the area of the welded rear floor of the body , Just to protect the carbon canister . The old model is ideal ONE The position of the rear guard is set 1 Group rear motor controller , Connect the rear subframe through the high-voltage cable “ Hanging ” the “2 close 1” Motor system . and 2021 The ideal ONE The rear electric drive system evolved into “3 close 1”, The motor controller is moved to the upper end of the rear motor , Protected more completely .
Remove the rear guard , so 2021 The ideal ONE Rear canister （ Red arrow ）. In daily use , If the carbon canister is damaged by external force, it will not cause serious problems related to safety .
Ideal ONE The rear suspension is a standard multi link independent structure , But the striking rear lower arm is not made of aluminum, but of steel after surface treatment .
The red arrow ： White steel rear lower swing arm
The green arrow ： Aluminum rear knuckle
Yellow arrow ： Aluminum upper control arm
Blue arrow ： Aluminum cross pull arm
White arrow ： Bar material trailing arm
With rear subframe （ be used for “ Hanging ” Rear drive motor ） Multi link architecture , among 4 The control arm is made of aluminum 2021 The ideal ONE The workmanship of the rear suspension did not say .
The figure above shows the direction from the rear suspension to the front suspension , After shooting 55 Close up of l-volume fuel tank and bottom guard .
The red arrow ： Steel fuel tank bottom guard
Yellow arrow ： Iron fuel tank
Close up of fuel tank and bottom guard in close range .
It should be noted that （2）, The fuel tank bottom guard is the same as the exhaust pipe , All are ““ bulge ” Applicable to battery system 、 The horizontal plane formed by the lowest end of the front subframe .
Look at it from another Angle , obvious “ prominent ” The fuel tank guard and the central power battery system 、 Lateral fuel / Compare the status of the brake line guard .
The blue area ： Fuel tank guard
The red arrow ： Front high-voltage power of power battery system 、 Low pressure communication and cooling pipeline interface
Yellow arrow ： To protect the brakes / Side guard for fuel lines
It is necessary to point out that , No matter what “ Oil to electricity ” framework , It is also a model platform under development , Are looking for a more regular chassis state .2021 The ideal ONE Adapted to 55 L iron fuel tank is very necessary ,“ bulge ” The fuel tank guard plate of is impacted by external force , The iron fuel tank body can also have a certain protective ability , Avoid fuel leakage, fire and combustion accidents .
About 2021 The ideal model is based on ABS+ Steel ball pin integrated lower A Personal subjective view of type swing arm ：
2020 year 11 month 2 Japan , Li Xiang, the person in charge of the ideal car of the new power of car making, is at the ideal car Beijing delivery center , Hold a press conference to admit Ideal ONE Front suspension （ frame ） Next （A type ） The swing arm is defective .
2020 year 2 month 28 Japan , Ideal car officials issued a response ID： Yuan qicong's microblog . The contents are as follows , use PA6+GF50 The lower part composed of composite materials A Type swing arm , It can ensure the strength and reduce the self weight , Thus reducing the unsprung mass ; At the same time, it has lower ball pin torque , Reduce friction in the suspension , Improve the dynamic performance of the vehicle . Guan Wei thinks , This method of ensuring strength and lightweight , And Tesla Model X as well as Model S.
2020 year 11 month 2 Japan , Ideal car announced a recall. The production date is 2019 year 11 month 14 solstice 2020 year 6 month 1 Japan , total 10469 Taiwan ideal ONE Replace the lower swing arm of the front suspension with higher ball pin release force for free , In order to eliminate potential safety hazards .
The picture above shows 202 year 5 month 11 Japan , Ideal ONE The second time that happened 2 zong “ Broken shaft ” Detail close-up after partial enlargement of the picture of the accident scene .
The red arrow ： The lower swing arm made of composite material is not broken
Yellow arrow ： The ball pin fixed on the lower swing arm is missing
Blue arrow ： The front steering knuckle is suspected to be intact
In this case “ Broken shaft ” In the accident , Fixed under A The ball pin of the swing arm seems to have disappeared , It may also be obscured by the shooting angle .
After some twists and turns , Finally buy... From a third-party channel （ Auto Parts City ） buy 1 Ideal for new status after group recall ONE Next A Type swing arm , And use from third-party channels （ Parts wholesalers ） Purchased 2018 Jin Tang DM Next A Type swing arm .
The red arrow ：2018 Jin Tang DM Made of aluminum A Type swing arm
Blue arrow ： After the recall, the new state is ideal ONE Of ABS+ Steel material A Type swing arm
White arrow ： Ideal ONE Next to A The swing arm adopts the lightweight setting of hollowed out treatment
2018 Jin Tang DM Next to A The lower ball pin is adopted for the swing arm 3 Setting of bolt fixing , It can not only be replaced separately, but also reduce the maintenance cost , The strength between the lower ball pin and the swing arm can also be strengthened by fixing bolts .
It should be noted that （3）, The tang dynasty DM The top of the lower ball pin ball joint is set with 1 A round hole （ The blue arrow indicates ） Used to secure the safety pin
Then there is a problem , When loading A Type swing arm passes through 3 The bolt is fixed with the lower ball pin . However, assemblies purchased from third-party channels , Only with 2 Two bolts （ Red arrow ）.
Ideal for a new state after a recall ONE Next A Type swing arm ball pin ball joint , A round hole without a round hole for a safety pin .
It should be noted that （4）： The error of weighing equipment is not excluded , The lower part of the two models A The self weight of the swing arm is for reference only , But the weight difference is not prominent .
Compare from the individual lightweight level of accessories ,2018 Jin Tang DM Made of all aluminum A The self weight of the swing arm is about 4.3 kg , Ideal for a new state after recall ONE Of ABS+ Steel lower A The self weight of the swing arm is about 4.1 kg , Ideal ONE There are advantages .
Compare the convenience of purchase channels ,2018 Jin Tang DM Next A Type swing arm can be used anywhere in the country 4S Shop purchase 、 Or the auto parts market , Ideal ONE Next to A Type a swing arm and other accessories can only be replaced in the process of maintenance or insurance claims in its official Direct stores and will not be sold , BYD 2018 Jin Tang DM It has the advantage of convenient maintenance .
About 2021 Personal subjective views on the setting of the ideal rear drive motor controller ：
2019 year 8 Released earlier this month 《 Song Nan ： Try to study and judge the ideal ONE Increase the charging and discharging efficiency of oil electric hybrid vehicle 》 One article . This machine is ideal for testing ONE, Rear electric drive controller （ Red area ） direct “ Hanging ” Weld the lower part of the rear floor on the body .
The picture above shows the ideal old model of mass production ONE Close up of technical status of rear suspension and body welded rear floor .“ Hanging ” The external electric drive controller is covered by a set of non steel protective plates . But even so , It also exists because “ Drag the bottom ” And cause the guard plate to crack , The probability of damage to the rear drive motor controller .
2021 year 6 Earlier in the month ,1 Taiwan old style ideal ONE There is a underpinning accident , Cause the rear guard to crack 、 The rear motor controller bracket is broken . immediately ONE It makes sense ID Release information that this is a normal protective measure , It is to protect the electric drive controller through bracket fracture in case of collision .
The picture above shows 2018 BYD Tang, which was mass produced in late 2004 DM Close up of technical status of rear drive motor system . And 2019 The ideal of annual mass production ONE equally , The rear drive motor adopts motor controller and drive motor （ Including reducer ） Separate the set architecture . But don DM The rear motor controller is set in the body welding position （ Rear floor ） inside , Maximum protection .
The picture above shows 2019 BYD song, which was mass produced in late 2004 Pro DM Close up of vehicle platform architecture . And 2021 The ideal of annual mass production ONE equally , The motor controller will be set separately （ The yellow arrow indicates ） And drive motor （ Red arrow ） And reducer （ The blue arrow indicates ） the “3 close 1” Integrate . From the physical structure , The motor controller located at the top of the drive motor , There will be no high probability of being damaged by external impact force in daily use .
I have something to say ：
About 2021 Ideal in-line three cylinder 1.2T Engine exhaust pipe “ Droop ” Make a personal subjective view , The technical status of each subsystem of the front power compartment of the real vehicle will be explained in detail later .
Ideal ONE At the beginning of the project, through multiple rounds and brands of engines , Whereas EREV Driver Architecture , So that the transverse engine + Transverse drive motor （ Alternator ） The width of is consistent with that of the front power compartment and subframe of the vehicle platform .
Set the traction point for the model with the appropriate engine , Or need a larger model platform （ Front power compartment ） accommodate , This may affect the length and weight of the vehicle ;
Give priority to model platform （ Front power compartment ） The size is the traction point , Transverse engine + Drive motor （ Alternator ） The width of the is limited , This may affect engine power and, most importantly, power generation / Balance of driving efficiency ;
Only 2021 The ideal ONE“ Droop ” The exhaust pipe coming out cannot fit the lower guard ; After the recall A The purchase cost of the swing arm 、 Lightweight and ease of purchase ;“ bulge ” The iron fuel tank at the lowest end of the vehicle body has potential safety hazards after being impacted , It's hard to be noticed by potential customers .
Of course , The price is 33 Ten thousand yuan 、 adapter 3 Ideal for cylinder engines ONE Our customers may not notice the technical points mentioned above . The author hopes to let more car owners of other brands see the ideal ONE Status of the vehicle , According to this, you can compare the technical status of the corresponding subsystem of the vehicle you choose .....
To be continued ...
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