CN214564651U - New forms of energy electric automobile facial make-up power supply system and control system - Google Patents

Abstract

The utility model provides a new forms of energy electric automobile facial make-up power supply system and control system, include: the system comprises a power battery system, a DCDC controller, a vehicle control unit, an upper motor controller, an upper motor, a speed reducer, an upper change-over switch, an upper knob switch, an upper system, a CAN communication network and a high-low voltage power supply system. The vehicle control unit and the upper motor controller are connected through a low-voltage circuit; the power battery system, the upper motor controller and the upper motor are connected through a high-voltage power supply circuit. The vehicle control unit is mainly used for receiving a driver demand instruction and sending a corresponding demand instruction according to the working state of the loading system so as to control the work of the loading system; the upper motor controller is used for controlling the upper motor; the upper motor directly drives the upper assembly through the speed reducer; the upper-mounted power supply and control system can enable the upper-mounted system of the new-energy electric special vehicle to work independently and work continuously and stably without being influenced by the working state of the driving system; compared with the traditional vehicle, the energy consumption can be effectively reduced.

Description

New forms of energy electric automobile facial make-up power supply system and control system

Technical Field

The utility model relates to a new forms of energy special automobile facial make-up power supply system and control system.

Background

At present, with the deterioration of atmospheric environment, the non-regeneration of fossil resources, the pursuit of people for low-carbon life and the increase of social energy conservation and emission reduction pressure, new energy has become a mainstream route for the development of automobile technology, and meanwhile, new energy special vehicles are gradually popularized in the industries such as sanitation, engineering and the like. However, most of the current new energy vehicles only perform energy consumption reduction research on a chassis system, and a traditional fuel vehicle mode is mostly adopted for a loading system, namely, a power takeoff is additionally arranged on a gearbox, and a driving motor drives the power takeoff on the gearbox, so that a gear pump of the loading system is driven to provide power for loading.

The traditional upper-mounted driving mode has the following problems:

1. because the power of the whole loader is provided by the engine, when the vehicle carries out loading and unloading work in situ, the engine must be started, the rotating speed of the engine needs to be adjusted according to the required power and rotating speed of the loader, generally, the rotating speed required by the loader is not high, and the working efficiency of the engine is low at the moment, so that the oil consumption of the whole vehicle is increased.

2. Because the power takeoff is driven by a driving motor through a gearbox, the vehicle must be additionally provided with the gearbox, and a direct drive mode cannot be adopted.

3. In the running process of the vehicle, the engine needs to regulate the rotating speed according to the accelerator pedal signal so as to achieve the required vehicle speed, but when the vehicle runs and the upper loader needs to work, the accelerator pedal signal and the upper loader need are simultaneously sent to the engine, and the engine comprehensively judges and outputs the corresponding rotating speed. If the running of the vehicle needs to be ensured, the engine needs to adjust the rotating speed preferentially according to an accelerator pedal signal, and the rotating speed of the gear pump can change along with the engine, so that the uploading running is unstable; if the stable operation of the upper garment is ensured, the corresponding upper garment requirement is required to be prioritized, and the vehicle speed is greatly influenced.

4. For department special vehicles such as garbage trucks, when the truck is loaded, the vehicle is required to be in a static state, and in order to provide power for the truck, an engine is required to be in a working state, and at the moment, the operation of the vehicle can be limited only by using the modes of engaging a neutral gear and pulling a hand brake, so that certain potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a new forms of energy electric automobile facial make-up power supply system and control system can make the facial make-up not receive the influence on chassis and autonomous working in energy-conserving, has guaranteed that the facial make-up system lasts, stable work, effectual reduction energy consumption according to the demand instruction.

The utility model discloses a realize above-mentioned purpose, realize through following technical scheme:

an electric vehicle power take-off system comprising: the system comprises a power battery system, an upper motor controller, an upper motor, a speed reducer, an upper system, a DCDC controller, a whole vehicle controller, an upper transfer switch and an upper knob switch; the power battery system is respectively connected with the DCDC controller and the upper motor controller through high-voltage loops; the upper motor controller is connected with the upper motor through a high-pressure loop; the DCDC controller is respectively connected with the vehicle control unit, the upper motor controller and the power battery system through a low-voltage loop; the whole vehicle controller is respectively connected with the power battery system, the DCDC controller and the upper motor controller through signal loops; the upper-mounted change-over switch and the upper-mounted knob switch are connected with the whole vehicle controller through a signal circuit; the upper motor controller is connected with the upper motor through a signal loop; the upper motor is connected with the upper system through a speed reducer,

preferably, the vehicle control unit adopts a ZZEV-30A vehicle control unit.

Preferably, the upper-mounted motor controller adopts an IEVD160-54Z8FL type motor controller.

Preferably, the upper motor is an YQW3-200Y-18E-RA2 motor.

Preferably, the DCDC controller adopts a GDD202M27-1M2 type DCDC controller.

The utility model has the advantages that: the utility model discloses make the facial make-up system not receive chassis driving system operating condition's influence and independent work, guaranteed that the facial make-up system lasts, stable work according to the demand instruction, effectual reduction energy consumption has solved the influence scheduling problem that needs the starter motor to drive facial make-up system and facial make-up system receive chassis operating condition when parkking that prior art faces. The upper-mounted motor is directly connected with the upper-mounted system through the speed reducer, and compared with the traditional power takeoff mode, the upper-mounted motor power takeoff system has the advantages of being simple in structure, low in failure rate, convenient to maintain and the like, and has positive technical significance.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

FIG. 1 is a block diagram of an electric vehicle upper-mounted drive and control system, according to an exemplary embodiment

Detailed Description

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 work belong to the protection scope of the present invention.

As shown in fig. 1, an embodiment of the utility model provides a pair of electric automobile facial make-up drive and control system, including power battery system, facial make-up machine controller, facial make-up motor, reduction gear, DCDC controller, vehicle control unit, facial make-up change over switch, facial make-up knob switch and facial make-up system.

The power battery system is connected with the upper motor controller and the DCDC controller through a high-voltage loop to provide high voltage electricity for the power battery system; the upper motor controller is connected with the upper motor through a high-voltage loop, and the high-voltage direct current is converted into high-voltage alternating current to drive the upper motor; the DCDC controller is respectively connected with the whole vehicle controller, the power battery system and the upper motor controller through a high-voltage loop, and provides a low-voltage power supply for the whole vehicle controller, the power battery system and the upper motor controller after converting high-voltage direct current into low-voltage direct current; the upper motor is connected with the upper system through a speed reducer; and the vehicle control unit is respectively connected with the upper-mounted change-over switch, the upper-mounted knob switch, the DCDC controller, the power battery system and the upper-mounted motor controller through a signal circuit.

The embodiment of the utility model provides a pair of electric automobile facial make-up drive and control system is on the basis of electric automobile current spare part, for satisfying the demand of specific motorcycle type, one set of facial make-up system of increase, consequently, accelerator pedal, actuating system all adopt the original accessory of electric automobile, and power battery system and vehicle control unit extend the function of facial make-up system on original basis, and reduction gear, facial make-up system adopt the original accessory of former special-purpose vehicle facial make-up system. Wherein the upper motor controller adopts IEVD160-54Z8FL type, and the upper motor adopts YQW3-200Y-18E-RA2 type.

When the vehicle controller receives a KEY ON signal, the vehicle controller is awakened to wait for working, and when the START signal is received, a main contactor in the power battery system is controlled to be closed, so that high voltage is provided for a driving system, an upper motor controller and a DCDC controller; after the high voltage is applied, the DCDC controller enters a working mode, and the high voltage direct current is converted into low voltage direct current to provide a low voltage power supply for the whole vehicle; the vehicle controller controls a driving system according to an accelerator pedal to enable the vehicle to run at a required speed; the vehicle control unit sends a demand steering to the upper motor controller according to a signal of the upper change-over switch, so as to control the positive and negative rotation of the upper motor, and the motor drives the upper system through the speed reducer. The vehicle control unit corresponds to different required rotating speeds under different voltages according to a signal of the voltage output by the upper-mounted knob switch, then sends the required rotating speed to the upper-mounted motor controller, and further controls the rotating speed of the upper-mounted motor, and the speed reducer reduces the rotating speed in proportion and increases the torque to drive the upper-mounted system to work, so that the effects of adjustable steering and adjustable rotating speed are achieved.

The upper-mounted motor controller has the functions of overcurrent, overvoltage and overtemperature detection, when abnormity is detected, fault grades can be judged according to the abnormity degree, and different fault grades have different processing modes (a first-stage fault is used for prompting a driver and not processing, a second-stage fault is used for reducing the power of a motor, a third-stage fault is used for prompting high voltage under the upper-mounted system after parking), and meanwhile, the fault is fed back to the whole vehicle controller, and the whole vehicle controller prompts the driver to perform corresponding fault processing through systems such as instruments and the like.

The vehicle control unit can comprehensively judge according to the requirement of the upper-mounted controller and the working characteristics of the upper-mounted motor, so that the upper-mounted motor runs in a high-efficiency area, and the energy consumption of the upper-mounted system during working is effectively reduced.

Compared with the existing upper-loading power take-off system, the utility model has the characteristics of it is following:

1. through the adjustment to the drive mode of the upper mounting system, the upper mounting system is independently powered by the upper mounting motor, and the upper mounting system and the chassis drive system are two sets of independent systems, so that a gearbox and a power takeoff do not need to be considered in the design process of the chassis, and a direct-drive mode can be selected according to requirements.

2. In the running process of the vehicle, the chassis driving system only responds to the requirement of an accelerator pedal, and the loading system only responds to the requirements of the loading change-over switch and the loading knob switch, so that the working states of the loading system and the chassis can be adjusted more accurately and more flexibly, and the loading system and the chassis are not influenced by each other.

3. Under the conditions of static vehicle and upper assembling work, the power battery system is used for supplying power for the upper assembling motor independently, the chassis driving system does not need to be started, and reasonable matching is performed in the early stage, so that the upper assembling motor works in a high-efficiency area, and the energy is effectively saved.

4. The upper-mounted motor is directly connected with the upper-mounted system through the speed reducer, and the mode of additionally mounting a power takeoff on the traditional gearbox is replaced, so that the structure is simple, the maintenance is convenient, and the failure rate is low.

5. Under the operating mode of some special demands, accomplish chassis motor and facial make-up motor interlocking through vehicle control unit, both do not work simultaneously, when satisfying specific demands, guaranteed driver or operating personnel's safety.

Claims (5)

1. The utility model provides a new forms of energy electric automobile facial make-up power supply system and control system which characterized in that includes: the system comprises a power battery system, an upper motor controller, an upper motor, a speed reducer, an upper system, a DCDC controller, a whole vehicle controller, an upper transfer switch and an upper knob switch; the power battery system is respectively connected with the DCDC controller and the upper motor controller through high-voltage loops; the upper motor controller is connected with the upper motor through a high-pressure loop; the DCDC controller is respectively connected with the vehicle control unit, the upper motor controller and the power battery system through a low-voltage loop; the whole vehicle controller is respectively connected with the power battery system, the DCDC controller and the upper motor controller through signal loops; the upper-mounted change-over switch and the upper-mounted knob switch are connected with the whole vehicle controller through a signal circuit; the upper motor controller is connected with the upper motor through a signal loop; the upper motor is connected with the upper system through the speed reducer.

2. The system and the control system of claim 1, wherein the vehicle controller is a vehicle controller of ZZEV-30A type.

3. The new energy electric vehicle top-mounted power supply system and control system as claimed in claim 1, wherein the top-mounted motor controller is an IEVD160-54Z8FL type motor controller.

4. The new energy electric vehicle upper-mounted power supply system and control system as claimed in claim 1, wherein the upper-mounted motor is YQW3-200Y-18E-RA2 type motor.

5. The system of claim 1, wherein the DCDC controller is a GDD202M27-1M2 DCDC controller.

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