CN213261985U

CN213261985U - Range-extending type pure electric mining wide-body vehicle

Info

Publication number: CN213261985U
Application number: CN202021683496.4U
Authority: CN
Inventors: 陈龙; 朱战顺; 任国站; 范伟
Original assignee: Baotou Tiansheng Heavy Industry Co ltd
Current assignee: Baotou Tiansheng Heavy Industry Co ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-05-25
Anticipated expiration: 2030-08-13

Abstract

The utility model discloses a range-extended type pure electric mining wide-body vehicle, which comprises a power system, a range extender, an all-in-one controller, an air conditioning system, a steering system, a lifting system, a braking system, a heat dissipation system, a cab and a chassis; the power system comprises a motor controller, a rear axle, a middle axle, a gearbox, a motor and a front axle, wherein the motor controller is connected with the motor, the motor is connected with the gearbox, and the gearbox is respectively connected with the rear axle, the middle axle and the front axle; the air conditioning system comprises an air conditioning compressor, the steering system comprises a steering motor, a steering pump, a steering oil cylinder, a steering gear and a priority valve, the steering motor is connected with the steering pump, the steering pump is connected with the priority valve, the priority valve is connected with the steering gear, and the steering gear is connected with the steering oil cylinder; the lifting system comprises a lifting valve and a lifting oil cylinder, the lifting valve is connected with the priority valve, and the lifting valve is connected with the lifting oil cylinder; the utility model has the advantages of reasonable design, long running mileage, high carrying efficiency, low labor cost, energy conservation and environmental protection.

Description

Range-extending type pure electric mining wide-body vehicle

Technical Field

The utility model relates to a mine car technical field specifically is mining wide-body car of range extending pure electric.

Background

At present, due to the problems of low specific energy, high price, short driving range, sensitivity to environmental temperature and the like of the power battery, the driving range of the electric automobile needs to be increased, the charging times of the power battery are reduced, and the attendance rate of the mining vehicle is improved. Meanwhile, considering accessories and auxiliary systems of the electric automobile, such as air-conditioning compressors, power steering oil pumps, brake air compressors, warm air of defrosting mechanisms, charging of low-voltage auxiliary batteries and the like, the electric energy of the power battery must be consumed. To complete the functions, the solution of domestic manufacturers is to equip more batteries, which not only increases the mass of the whole vehicle and reduces the energy conversion efficiency, but also increases the manufacturing cost and the use cost of the whole vehicle. Meanwhile, the increase of the dead weight also influences the dynamic index and the driving range of the electric automobile to a great extent.

Aiming at the defects of the existing power battery technology, the method provides that an engine which reaches the discharge standard above Euro 5 is selected to ensure that the electric mining vehicle has longer continuous mileage, and simultaneously the waste heat of the engine can meet the requirements of defrosting and heating. The scheme has the advantages that the manufacturing cost and the using cost of the electric automobile are effectively reduced while environmental protection is considered.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an increase for formula pure electric mine wide-bodied car has reasonable in design, the mileage of traveling far away, carrying efficiency height, low in labor cost, energy-concerving and environment-protective advantage, has solved the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the extended range type pure electric mining wide-body vehicle comprises a power system, a range extender, an all-in-one controller, an air conditioning system, a steering system, a lifting system, a braking system, a heat dissipation system, a cab and a chassis; the power system comprises a motor controller, a rear axle, a middle axle, a gearbox, a motor and a front axle, wherein the motor controller is connected with the motor, the motor is connected with the gearbox, and the gearbox is respectively connected with the rear axle, the middle axle and the front axle; the air conditioning system comprises an air conditioning compressor, the steering system comprises a steering motor, a steering pump, a steering oil cylinder, a steering gear and a priority valve, the steering motor is connected with the steering pump, the steering pump is connected with the priority valve, the priority valve is connected with the steering gear, and the steering gear is connected with the steering oil cylinder; the lifting system comprises a lifting valve and a lifting oil cylinder, the lifting valve is connected with the priority valve, and the lifting valve is connected with the lifting oil cylinder; braking system includes gas receiver, desicator, relay valve, brake valve and air compressor machine, the gas receiver is connected to the air compressor machine, desicator and relay valve are connected respectively to the gas receiver, the brake valve is connected to the desicator, the relay valve is connected to the brake valve, rear axle, intermediate axle and front axle are connected to the relay valve, cooling system is including defrosting heating equipment, the driver's cabin is including whole car control system, whole car control system connects motor controller, brake valve and the controller of unifying more respectively, air conditioner compressor, power battery, motor controller, the mouth that charges, air compressor machine, steering motor, range extender and low voltage battery are connected respectively to the controller of unifying more, the range extender is connected defrosting heating equipment.

Preferably, the whole vehicle control system comprises a comprehensive instrument interface function and a fault diagnosis and processing function.

Preferably, the braking system comprises an energy recovery device.

Preferably, the upper limit value of the range extender is% and the lower limit value of the range extender is%.

Preferably, the whole vehicle control system manages, coordinates and monitors all links of the whole vehicle power chain.

Preferably, the range extender comprises a natural gas engine.

Compared with the prior art, the beneficial effects of the utility model are as follows: the range-extended pure electric mining wide-body vehicle is directly connected with the all-in-one controller through the range extender, when the electric quantity of the power battery is lower than 30 percent, the range extender is started to provide power for the whole vehicle and charge the rest electric quantity for the power lithium battery, when the electric quantity of the power battery reaches 90%, the range extender stops working, whether braking energy feedback can be carried out is judged by the whole vehicle control system according to the opening degree of the braking pedal and the SOC value of the power battery by the energy recovery device, if the energy can be saved, the whole vehicle control system sends out an instruction to recover partial energy, the load factor is properly improved by setting the natural gas engine, the engine is enabled to work under the optimal working conditions of lowest emission, lowest energy saving and lowest vibration and noise, zero emission before the range extender is started is ensured, ultralow emission is achieved after the range extender is started, and the purposes of energy saving and emission reduction are achieved.

Drawings

Fig. 1 is the overall structure schematic diagram of the extended range type pure electric mining wide body vehicle.

The figures are labeled as follows: 1. defrosting and heating equipment; 2. an air conditioning compressor; 3. a power battery; 4. a motor controller; 5. an air cylinder; 6. a dryer; 7. a rear axle; 8. a middle bridge; 9. a relay valve; 10. a gearbox; 11. a motor; 12. a front axle; 13. a brake valve; 14. a charging port; 15. an all-in-one controller; 16. an air compressor; 17. a steering motor; 18. a steering pump; 19. a steering cylinder; 20. a diverter; 21. A priority valve; 22. a lift valve; 23. lifting the oil cylinder; 24. a vehicle control system; 25. a range extender; 26. A low voltage battery.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1, the extended-range electric mining wide-body vehicle includes a power system, an air conditioning system, and a steering system; the power system comprises a motor controller 4, a rear axle 7, a middle axle 8, a gearbox 10, a motor 11 and a front axle 12, wherein the motor controller 4 is connected with the motor 11, the motor 11 is connected with the gearbox 10, and the gearbox 10 is respectively connected with the rear axle 7, the middle axle 8 and the front axle 12; the air conditioning system comprises an air conditioning compressor 2, the steering system comprises a steering motor 17, a steering pump 18, a steering oil cylinder 19, a steering gear 20 and a priority valve 21, the steering motor 17 is connected with the steering pump 18, the steering pump 18 is connected with the priority valve 21, the priority valve 21 is connected with the steering gear 20, and the steering gear 20 is connected with the steering oil cylinder 19.

Example 2:

referring to fig. 1, the extended-range electric mining wide-body vehicle comprises a lifting system, a braking system and a heat dissipation system, wherein the lifting system comprises a lifting valve 22 and a lifting oil cylinder 23, the lifting valve 22 is connected with a priority valve 21, and the lifting valve 22 is connected with the lifting oil cylinder 23; the brake system comprises an air storage cylinder 5, a dryer 6, a relay valve 9, a brake valve 13 and an air compressor 16, wherein the air compressor 16 is connected with the air storage cylinder 5, the brake system comprises an energy recovery device, whether braking energy feedback can be carried out or not is judged according to the opening degree of a brake pedal and the SOC value of a power battery 3 through a whole vehicle control system 24, if the braking energy feedback can be carried out, the whole vehicle control system 24 sends an instruction to recover partial energy, the air storage cylinder 5 is respectively connected with the dryer 6 and the relay valve 9, the dryer 6 is connected with the brake valve 13, the brake valve 13 is connected with the relay valve 9, the relay valve 9 is connected with a rear axle 7, a middle axle 8 and a front axle 12, and the heat dissipation system comprises defrosting and heating.

Example 3:

referring to fig. 1, the extended range type pure electric mining wide-body vehicle comprises a cab, a range extender 25 and an all-in-one controller 15, wherein the cab comprises a whole vehicle control system 24, the whole vehicle control system 24 comprises a comprehensive instrument interface function and a fault diagnosis and processing function, the whole vehicle control system 24 manages, coordinates and monitors all links of a whole vehicle power chain, the whole vehicle control system 24 is respectively connected with a motor controller 4, a brake valve 13 and the all-in-one controller 15, the all-in-one controller 15 is respectively connected with an air conditioner compressor 2, a power battery 3, the motor controller 4, a charging port 14, an air compressor 16, a steering motor 17, the range extender 25 and a low-voltage battery 26, the range extender 25 is connected with a defrosting and heating device 1, the range extender 25 comprises a natural gas engine, the load rate is properly increased by setting the natural gas engine, the engine is enabled to work at the lowest emission and the lowest energy, Under the best working condition with lowest vibration and noise, zero emission is guaranteed to be achieved before the range extender 25 is started, ultra-low emission is achieved after the range extender 25 is started, the purposes of energy conservation and emission reduction are achieved, the upper limit value of the range extender 25 is 90%, the lower limit value of the range extender 25 is 30%, the range extender 25 is directly connected with the all-in-one controller 15, when the electric quantity of the power battery 3 is lower than 30%, the range extender 25 is started to provide power for the whole vehicle, the rest electric quantity is used for charging the power battery 3, and when the electric quantity of the power battery 3 reaches 90%, the range extender 25 stops working.

The working principle is as follows: the utility model discloses wide-bodied car for extended range pure electric mine, this car is when using, directly be connected with all in one controller 15 through increasing the journey ware 25, when power battery 3 electric quantity is less than 30%, increase journey ware 25 and open and provide power for whole car, and charge power battery 3 with remaining electric quantity, when power battery 3 electric quantity reaches 90%, increase journey ware 25 and stop working, power battery 3 provides power supply for motor 11, manage, coordinate and control each link of whole car power chain by whole car control system 24, still have comprehensive instrument interface function, can show whole car state information, possess perfect fault diagnosis and processing function, in order to improve whole car energy utilization efficiency, ensure security and reliability, this car can judge whether to carry out braking energy according to the aperture of brake pedal and power battery's SOC value through power recovery unit according to whole car control system 24 on braking and the energy recovery when the downhill path, if the operation is possible, the whole vehicle control system 24 sends out an instruction to recover part of energy, the power system connects the direct current of the power battery 3 to the motor controller 4 through the high-voltage distribution box, the motor controller 4 inverts the direct current into alternating current to supply the alternating current to the motor, the whole vehicle control system 24 receives a driver instruction through the opening condition of an accelerator pedal and sends out a signal to a bus, the transmission 10 receives the signal and judges to automatically adjust the clutch, select and shift the brushless motor according to the weight of the whole vehicle and the conditions of ascending and descending to realize automatic gear engagement, then the whole vehicle control system 24 sends out an instruction to the motor controller 4, the motor controller 4 receives the instruction and then internally calculates and adjusts the rotating speed and the power of the motor according to the load, the gradient, the road condition, the speed and the like, the electric energy stored by the power battery 3 is converted into the electric energy required by the motor 11, and the motor coil is controlled, the motor 11 outputs corresponding torque to realize the driving of the whole vehicle, a steering system adopts a full hydraulic steering structure, a range extender 25 outputs high voltage to a steering motor 17, the steering motor 17 drives a steering pump 18 to supply oil to a full hydraulic steering gear 20 through a priority valve 21, the steering gear 20 inputs hydraulic oil with certain pressure to a steering oil cylinder 19 according to the load condition of the whole vehicle to realize full hydraulic steering, when the vehicle stops and needs unloading, the other port of the priority valve 21 is communicated with a lifting valve 22 to start a lifting oil cylinder 23 to realize lifting and unloading.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Extended range pure electric mining wide-body vehicle, its characterized in that: comprises a power system, a range extender (25), an all-in-one controller (15), an air conditioning system, a steering system, a lifting system, a braking system, a heat dissipation system, a cab and a chassis; the power system comprises a motor controller (4), a rear axle (7), a middle axle (8), a gearbox (10), a motor (11) and a front axle (12), wherein the motor controller (4) is connected with the motor (11), the motor (11) is connected with the gearbox (10), and the gearbox (10) is respectively connected with the rear axle (7), the middle axle (8) and the front axle (12); the air conditioning system comprises an air conditioning compressor (2), the steering system comprises a steering motor (17), a steering pump (18), a steering oil cylinder (19), a steering gear (20) and a priority valve (21), the steering motor (17) is connected with the steering pump (18), the steering pump (18) is connected with the priority valve (21), the priority valve (21) is connected with the steering gear (20), and the steering gear (20) is connected with the steering oil cylinder (19); the lifting system comprises a lifting valve (22) and a lifting oil cylinder (23), the lifting valve (22) is connected with a priority valve (21), and the lifting valve (22) is connected with the lifting oil cylinder (23); braking system includes air receiver (5), desicator (6), relay valve (9), brake valve (13) and air compressor machine (16), air receiver (5) is connected in air compressor machine (16), desicator (6) and relay valve (9) are connected respectively in air receiver (5), brake valve (13) are connected in desicator (6), relay valve (9) are connected in brake valve (13), rear axle (7), well axle (8) and front axle (12) are connected in relay valve (9), cooling system is including defrosting heating equipment (1), the driver's cabin is including whole car control system (24), whole car control system (24) are connected motor controller (4) respectively, brake valve (13) and are unified controller (15) more, air conditioner compressor (2), power battery (3), motor controller (4) are connected respectively to unify controller (15) more, The defrosting and heating device comprises a charging port (14), an air compressor (16), a steering motor (17), a range extender (25) and a low-voltage battery (26), wherein the range extender (25) is connected with the defrosting and heating device (1).

2. The extended range pure electric mining wide body vehicle of claim 1, wherein: the vehicle control system (24) comprises a comprehensive instrument interface function and a fault diagnosis and processing function.

3. The extended range pure electric mining wide body vehicle of claim 1, wherein: the braking system contains an energy recovery device.

4. The extended range pure electric mining wide body vehicle of claim 1, wherein: the upper limit value of the range extender (25) is 90%, and the lower limit value of the range extender (25) is 30%.

5. The extended range pure electric mining wide body vehicle of claim 1, wherein: and the whole vehicle control system (24) manages, coordinates and monitors all links of the whole vehicle power chain.

6. The extended range pure electric mining wide body vehicle of claim 1, wherein: the range extender (25) comprises a natural gas engine.