CN214138252U - Braking energy recovery and auxiliary driving system of semitrailer - Google Patents
Braking energy recovery and auxiliary driving system of semitrailer Download PDFInfo
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- CN214138252U CN214138252U CN202023230850.0U CN202023230850U CN214138252U CN 214138252 U CN214138252 U CN 214138252U CN 202023230850 U CN202023230850 U CN 202023230850U CN 214138252 U CN214138252 U CN 214138252U
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Abstract
The application discloses semitrailer braking energy retrieves and auxiliary drive system can retrieve and auxiliary drive function and/or auxiliary drive function through braking energy and auxiliary drive manager control electric drive axle, and auxiliary drive can improve the engine operating mode of tractor power part, and energy saving and emission reduction can be realized to braking energy retrieval. The system comprises: the system comprises a tractor power part, a semitrailer power part and a braking energy recovery and auxiliary drive manager; the power part of the semitrailer comprises an electric drive axle, and the electric drive axle has the functions of braking energy recovery and/or auxiliary drive; the braking energy recovery and auxiliary driving manager is connected with the power part of the tractor and the electric drive axle; the braking energy recovery and auxiliary drive manager is used for controlling the braking energy recovery and/or auxiliary drive functions of the electric drive axle.
Description
Technical Field
The utility model relates to a new energy vehicle field especially relates to a semitrailer braking energy retrieves and auxiliary drive system.
Background
The new energy automobile market in China is basically a new energy passenger car and a passenger car, and few new energy heavy trucks exist. However, for heavy truck production enterprises, on one hand, increasingly strict environmental requirements are met, and the emission upgrading work of diesel vehicles is continuously done, on the other hand, the oil saving effect of engines is also required to be improved, and the operation cost is reduced.
The mass base of the heavy truck such as a semitrailer reaches more than 20 tons, and the oil consumption of one hundred kilometers is about 40L, so that the oil-saving space is large. Under the influence of the whole market, the development of the domestic pure electric heavy truck is very rapid, for example, shan vapour, east wind, first vapour liberation, united truck, Chinese heavy vapour and the like all start to research and develop pure electric new energy vehicle types with heavy trucks in layout, but at present, the domestic pure electric new energy heavy truck has more pure electric, according to the traffic strong insurance terminal data, the annual market sales volume of the new energy heavy truck is increased by 665.35% in 2019, all the new energy heavy trucks are pure electric heavy trucks and are mainly dump trucks. However, the hybrid heavy truck is basically in the concept car stage or the announcement stage, so that the real market commercialization is very little, and the foreign hybrid heavy truck basically cannot be applied to the market commerce. However, the pure electric heavy truck has more defects, and the popularization and the use of the market are influenced. The main disadvantages are as follows:
1) the energy of a vehicle-mounted battery of the pure electric heavy truck is insufficient, so that the driving is short;
2) the initial investment cost of the system is too high due to more batteries needing to be assembled;
3) the large capacity battery causes the electric truck to generally weigh 3-4 tons compared with the same type of diesel truck;
4) the pure electric heavy truck is slow to charge, generally needs 1.5-3 hours, and has certain influence on engineering use;
in order to solve the problems, particularly the cost problems of a motor, an electric control, a battery and the like, a low-cost new energy device is needed on the basis of the traditional semitrailer, so that the working condition of an engine can be improved, the function of recovering braking energy can be realized, and the purposes of energy conservation and emission reduction are achieved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a semitrailer braking energy recovery and auxiliary drive system can retrieve and/or the auxiliary drive function through the braking energy of braking energy recovery and auxiliary drive manager control electric drive axle, and auxiliary drive can improve the engine operating mode of tractor power part, and energy saving and emission reduction can be realized to braking energy recovery.
The utility model discloses the first aspect provides a semitrailer braking energy retrieves and auxiliary drive system, include:
the system comprises a tractor power part, a semitrailer power part and a braking energy recovery and auxiliary drive manager;
the power part of the semitrailer comprises an electric drive axle, and the electric drive axle has the functions of braking energy recovery and/or auxiliary drive;
the braking energy recovery and auxiliary driving manager is connected with the power part of the tractor and the electric drive axle;
the braking energy recovery and auxiliary drive manager is used for controlling the braking energy recovery and/or auxiliary drive functions of the electric drive axle.
Further, the electric drive axle includes:
the system comprises a power battery, a motor and a motor controller;
the power battery is electrically connected with the motor;
the motor controller is electrically connected with the motor.
Further, the power part of the semitrailer further comprises:
a BMU manager;
the BMU manager is electrically connected with the power battery, the motor and the motor controller.
Further, the braking energy recovery and auxiliary driving manager is integrated in the BMU manager.
Further, the power section of the tractor comprises:
the system comprises an engine, a brake, a gear shifter, a steering gear and a reversing switch;
the BMU manager is in wired connection or wireless connection with the engine, the brake, the gear shifter, the steering gear and the reversing switch;
the BMU manager is used for monitoring the engine, the brake, the gear shifter, the steering gear and the reversing switch to obtain the whole vehicle information and the engine information, wherein the whole vehicle information comprises at least one of the brake information, the gear shifter information, the steering gear information and the reversing switch information;
and the BMU manager is also used for monitoring the power battery and the motor to obtain the information of the semitrailer, and the information of the semitrailer comprises battery information and motor information.
Further, the power section of the tractor comprises:
the system comprises an engine controller, an engine, a brake, a gear shifter, a steering gear and a reversing switch;
the engine controller is electrically connected with the engine, the brake, the gear shifter, the steering gear and the reversing switch;
the engine controller is used for monitoring the engine, the brake, the gear shifter, the steering gear and the reversing switch to obtain the whole vehicle information and the engine information, wherein the whole vehicle information comprises at least one of brake information, gear shifter information, steering gear information and reversing switch information;
and the engine controller is also used for monitoring the power battery and the motor through the BMU manager and acquiring the information of the semitrailer, wherein the information of the semitrailer comprises battery information and motor information.
Furthermore, the braking energy recovery and auxiliary driving manager is in wired connection or wireless connection with the BMU manager.
Further, the power part of the semitrailer further comprises:
a display, a cooling system and a mode switch;
the BMU manager is electrically connected with the display, the cooling system and the mode switch.
Further, the motor is an axle motor or a hub motor.
Therefore, the utility model discloses semitrailer braking energy recovery and auxiliary drive system include tractor power part, semitrailer power part and braking energy recovery and auxiliary drive manager, and semitrailer power part includes the electric drive axle, and the electric drive axle has braking energy recovery and/or auxiliary drive function, and braking energy recovery is connected with auxiliary drive manager and tractor power part and electric drive axle, and braking energy recovery and auxiliary drive manager are used for controlling the braking energy recovery and/or the auxiliary drive function of electric drive axle. Compared with the existing pure electric semi-trailer vehicle, the brake energy recovery and/or auxiliary drive functions of the electric drive axle can be controlled through the brake energy recovery and auxiliary drive manager, the auxiliary drive can improve the engine working condition of the power part of the tractor, and the energy conservation and emission reduction can be realized through the brake energy recovery.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural view of an embodiment of a braking energy recovery and auxiliary driving system of a semitrailer provided by the present invention;
fig. 2 is a schematic structural view of another embodiment of the braking energy recovery and auxiliary driving system of the semitrailer provided by the present invention;
fig. 3 is a schematic structural diagram of another embodiment of the braking energy recovery and auxiliary driving system of the semitrailer provided by the utility model.
Detailed Description
The application discloses semitrailer braking energy retrieves and auxiliary drive system can retrieve and auxiliary drive function and/or auxiliary drive function through braking energy and auxiliary drive manager control electric drive axle, and auxiliary drive can improve the engine operating mode of tractor power part, and energy saving and emission reduction can be realized to braking energy retrieval.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention provides a braking energy recovery and auxiliary driving system for a semitrailer, including:
a tractor power part 101, a semitrailer power part 102 and a braking energy recovery and auxiliary drive manager 103;
the power part 102 of the semitrailer comprises an electric drive axle 104, wherein the electric drive axle 104 has a braking energy recovery function and/or an auxiliary drive function;
the braking energy recovery and auxiliary drive manager 103 is connected with the power part 101 of the tractor and the electric drive axle 104;
the braking energy recovery and auxiliary drive manager 103 is used to control the braking energy recovery and/or auxiliary drive functions of the electric transaxle 104.
The embodiment of the utility model provides an in, can retrieve and/or the auxiliary drive function through braking energy with auxiliary drive manager 103 control electric drive axle 104's braking energy, auxiliary drive can improve tractor power part's engine operating mode, and energy saving and emission reduction can be realized to braking energy recovery
Alternatively, in conjunction with the embodiment shown in fig. 1, as shown in fig. 2, in some embodiments of the present invention, the electric drive axle 104 includes:
a power battery 201, a motor 202 and a motor controller 203;
the power battery 201 is electrically connected with the motor 202;
the motor controller 203 is electrically connected to the motor 202.
Optionally, with continued reference to fig. 2, in some embodiments of the present invention, the power part 102 of the semitrailer further includes:
a BMU manager 204;
the BMU manager 204 is electrically connected to the power battery 201, the motor 202, and the motor controller 203.
Optionally, with continued reference to fig. 2, in some embodiments of the invention, the braking energy recovery and auxiliary drive manager 103 is integrated into the BMU manager 204.
Optionally, with continued reference to fig. 2, in some embodiments of the present invention, the tractor power section 101 includes:
an engine 205, a brake 206, a shifter 207, a steering gear 208, and a reverse switch 209;
the BMU manager 204 is wired or wirelessly connected to the engine 205, brake 206, shifter 207, steering gear 208, and reverse switch 209;
the BMU manager 204 is used for monitoring an engine 205, a brake 206, a shifter 207, a steering gear 208 and a reversing switch 209 to obtain complete vehicle information and engine information, wherein the complete vehicle information comprises at least one of brake information, shifter information, steering gear information and reversing switch information;
the BMU manager 204 is further configured to monitor the power battery 201 and the motor 202 to obtain information of the semitrailer, where the information of the semitrailer includes battery information and motor information.
Optionally, with continued reference to fig. 2, in some embodiments of the present invention, the power part 102 of the semitrailer further includes:
a display 210, a cooling system 211, and a mode switch 212;
the BMU manager 204 is electrically connected to a display 210, a cooling system 211, and a mode switch 212.
Optionally, in some embodiments of the present invention, the motor 202 is an axle motor or an in-wheel motor.
Optionally, in combination with the embodiment shown in fig. 1, as shown in fig. 3, in some embodiments of the present invention, the power portion 101 of the tractor includes:
an engine controller 313, an engine 301, a brake 302, a shifter 303, a steering gear 304, and a reverse switch 305;
the engine controller 313 is electrically connected with the engine 301, the brake 302, the shifter 303, the steering gear 304 and the reverse switch 305;
the engine controller 313 is used for monitoring the engine 301, the brake 302, the shifter 303, the steering gear 304 and the reversing switch 305 to obtain the information of the whole vehicle and the information of the engine, wherein the information of the whole vehicle comprises at least one of the brake information, the shifter information, the steering gear information and the reversing switch information;
and the engine controller 313 is further configured to monitor the power battery 307 and the motor 308 through the BMU manager 306, and acquire semitrailer information, where the semitrailer information includes battery information and motor information.
Alternatively, with continued reference to fig. 3, in some embodiments of the present invention, engine controller 313 is connected to BMU manager 306 either by wire or wirelessly.
According to the above embodiment, in the braking energy recovery and auxiliary driving system of the semitrailer of the present invention, the braking energy recovery and auxiliary driving manager are integrated in the BMU manager or the engine, and the engine, the brake, the shifter, the steering gear and the reversing switch are monitored to obtain the information of the whole trailer and the information of the engine, wherein the information of the whole trailer includes at least one of the brake information, the shifter information, the steering gear information and the reversing switch information; monitoring a power battery and a motor to obtain semitrailer information, wherein the semitrailer information comprises battery information and motor information; when the running state of the whole vehicle is a starting state, calculating to obtain a starting auxiliary driving torque value according to preset vehicle requirements and battery information, controlling a motor to output starting auxiliary driving torque, and performing starting auxiliary driving to enable an engine to be at an optimal working point; when the running state of the whole vehicle is a forward state and the vehicle runs in an accelerated mode, calculating to obtain a passive auxiliary driving torque value according to engine information, battery information and an engine working point, and controlling a motor to output a passive auxiliary driving torque to perform passive auxiliary driving; when the running state of the whole vehicle is a forward state and the vehicle runs at a constant speed, calculating to obtain an active auxiliary driving torque value and an active braking energy recovery torque value according to engine information, battery information and an engine working point, controlling a motor to output the active auxiliary driving torque and the active braking energy recovery torque, and performing active auxiliary driving and active braking energy recovery, so as to adjust the engine working point and charge a power battery; when the running state of the whole vehicle is a forward state and the vehicle is braked and driven, calculating to obtain passive braking energy recovery power according to brake information, battery information and motor information, and controlling a motor and a power battery to recover the passive braking energy according to the passive braking energy recovery power; and when the running state of the whole vehicle is in a forward state and in a deceleration running state, a parking state or a backing state, controlling the power part of the semitrailer not to carry out active/passive auxiliary driving and active/passive braking energy recovery.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A semitrailer braking energy recovery and auxiliary drive system is characterized by comprising:
the system comprises a tractor power part, a semitrailer power part and a braking energy recovery and auxiliary drive manager;
the power part of the semitrailer comprises an electric drive axle which has the function of braking energy recovery and/or auxiliary drive;
the braking energy recovery and auxiliary driving manager is connected with the power part of the tractor and the electric drive axle;
the braking energy recovery and auxiliary driving manager is used for controlling the braking energy recovery and/or auxiliary driving function of the electric drive axle.
2. The system of claim 1, wherein the electric drive axle comprises:
the system comprises a power battery, a motor and a motor controller;
the power battery is electrically connected with the motor;
the motor controller is electrically connected with the motor.
3. The system of claim 2, wherein the power section of the semitrailer further comprises:
a brake management unit BMU manager;
the BMU manager is electrically connected with the power battery, the motor and the motor controller.
4. The system of claim 3,
the braking energy recovery and auxiliary driving manager is integrated in the BMU manager.
5. The system of claim 4, wherein the tractor power section comprises:
the system comprises an engine, a brake, a gear shifter, a steering gear and a reversing switch;
the BMU manager is in wired connection or wireless connection with the engine, the brake, the gear shifter, the steering gear and the reversing switch;
the BMU manager is used for monitoring the engine, the brake, the gear shifter, the steering gear and the reversing switch to obtain whole vehicle information and engine information, wherein the whole vehicle information comprises at least one of brake information, gear shifter information, steering gear information and reversing switch information;
the BMU manager is also used for monitoring the power battery and the motor to obtain semitrailer information, and the semitrailer information comprises battery information and motor information.
6. The system of claim 4, wherein the tractor power section comprises:
the system comprises an engine controller, an engine, a brake, a gear shifter, a steering gear and a reversing switch;
the engine controller is electrically connected with the engine, the brake, the gear shifter, the steering gear and the reversing switch;
the engine controller is used for monitoring the engine, the brake, the gear shifter, the steering gear and the reversing switch to obtain whole vehicle information and engine information, wherein the whole vehicle information comprises at least one of brake information, gear shifter information, steering gear information and reversing switch information;
the engine controller is further used for monitoring the power battery and the motor through the BMU manager and obtaining semitrailer information, and the semitrailer information comprises battery information and motor information.
7. The system of claim 6,
the engine controller is connected with the BMU manager in a wired or wireless mode.
8. A system according to any one of claims 3-7, characterised in that the power part of the semitrailer further comprises:
a display, a cooling system and a mode switch;
the BMU manager is electrically connected to the display, the cooling system, and the mode switch.
9. The system of claim 8,
the motor is an axle motor or a hub motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023230850.0U CN214138252U (en) | 2020-12-28 | 2020-12-28 | Braking energy recovery and auxiliary driving system of semitrailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023230850.0U CN214138252U (en) | 2020-12-28 | 2020-12-28 | Braking energy recovery and auxiliary driving system of semitrailer |
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| Publication Number | Publication Date |
|---|---|
| CN214138252U true CN214138252U (en) | 2021-09-07 |
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| CN202023230850.0U Active CN214138252U (en) | 2020-12-28 | 2020-12-28 | Braking energy recovery and auxiliary driving system of semitrailer |
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| CN (1) | CN214138252U (en) |
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- 2020-12-28 CN CN202023230850.0U patent/CN214138252U/en active Active
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