Unmanned vehicle wire control chassis arrangement structureTechnical Field
The utility model relates to a drive-by-wire unmanned car field especially relates to an unmanned car drive-by-wire chassis arrangement structure.
Background
With the large-scale application of scenes such as unmanned distribution, unmanned selling, unmanned logistics transportation in factories and the like, the demand for providing wire-controlled chassis for the unmanned vehicles is more and more strong. At present, the chassis of an unmanned logistics transport vehicle in a factory is too high, so that the transport is difficult; the energy consumption of the unmanned distribution vehicle is mainly the driving consumption in the distribution process, the unmanned selling vehicle not only has the driving consumption but also has the energy consumption for refrigerating or preserving the goods, and the unmanned vehicles with different purposes meet the requirement of different battery energy required by working time of one day; commercial unmanned car needs corresponding operation maintainer, causes the human cost too high.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
In view of this, the present invention provides an unmanned vehicle line control chassis arrangement structure to solve the problems in the background art.
(II) technical scheme
In order to achieve the technical purpose, the utility model provides an unmanned vehicle line control chassis arrangement structure:
the electric control system comprises a chassis system, a power system and an electronic and electric system, wherein the power system and the electronic and electric system are both arranged on the chassis system, and the chassis system comprises but is not limited to a frame, a suspension, a steer-by-wire, a steering gear control module, an EHB brake-by-wire, a drive axle, a wheel rim and a tire; the power system comprises a power battery;
the frame is provided with a battery bin with a sinking design, the power battery is installed in the battery bin, the drive axle is installed on the frame through the suspension, the rim is installed on the drive axle, and the tire is installed on the rim;
the steer-by-wire is arranged on the frame and connected with the drive axle, the EHB brake is arranged on the frame, and the steer-by-wire is connected with the steering control module.
Preferably, the power system further comprises but is not limited to a motor, a motor control unit, a slow charging port, an OBC module, a DCDC module, an on-board receiving coil, an on-board receiving controller, and a VCU module;
the front drive axle, the rear drive axle and the motor are integrally installed to realize four-wheel drive, the slow charging port is arranged on a bottom plate of the frame, and the OBC module and the vehicle-mounted receiving controller are both installed above the bottom plate of the frame;
the DCDC module is arranged on the left side of the frame and is staggered with the height of the vehicle-mounted receiving controller, and the vehicle-mounted receiving coil is arranged below the floor of the frame and is positioned in the middle of the floor in the width direction;
the VCU module is installed on the left side of frame, motor control unit installs on the frame and with the motor electricity is connected.
Preferably, the power battery is a lithium iron phosphate battery, a hoisting ring convenient for hoisting and maintenance is arranged on a mounting bracket of the power battery, and the wire control EHB brake is an electronic hydraulic brake system and adopts a four-wheel disc type EPB electronic brake.
Preferably, the electronic and electric system comprises but is not limited to a safety touch edge, a storage battery, a fuse box, a woofer and a low-speed pedestrian alarm;
the safety touch edges are arranged at the front end and the rear end of the frame, the storage battery and the fuse box are arranged on the floor of the frame, and the woofer and the low-speed pedestrian alarm are arranged on the head of the frame.
Preferably, the frame is formed by tailor-welding 40mm × 30mm square tubes, and the upper surface of the frame is flush.
Preferably, the drive axle is an integral electric drive steering axle, the rim is made of steel, and the tire model is 135/70R12.
Preferably, the safety contact edge is a flexible and bendable round object, which is connected with the VCU module, and the safety contact edge transmits information to the VCU module after being collided.
According to the technical scheme, the method has the following beneficial effects:
the utility model provides a structural design that sinks of battery compartment on drive-by-wire chassis frame has reduced chassis height for the operation is more steady, and it is more convenient to carry goods. One or two power batteries can be installed in the battery compartment to solve the problem of driving mileage anxiety in different use scenes, and meanwhile, the unmanned vehicle can automatically drive to a charging area appointed by wireless charging through path planning to realize wireless charging, so that the workload of operation and maintenance personnel can be reduced by using a wireless charging mode under the condition of manpower resource shortage to reduce the labor cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is the utility model provides a pair of unmanned vehicle line control chassis arrangement structure's schematic structure diagram.
Fig. 2 is the utility model provides a pair of unmanned car line accuse chassis arrangement structure's axle survey is shown.
Fig. 3 is the utility model provides a pair of wireless module of charging of unmanned car line accuse chassis arrangement structure arranges the schematic diagram.
Description of the drawings: 1. a frame; 2. a suspension; 3. a steer-by-wire; 4. a diverter control module; 5. an EHB brake by wire; 6. a drive axle; 7. a rim; 8. a tire; 9. a motor; 10. a motor control unit; 11. a power battery; 12. slowly filling the opening; 13. an OBC module; 14. a DCDC module; 15. a vehicle-mounted receiving coil; 16. a vehicle-mounted receiving controller; 17. a VCU module; 18. safe edge touching; 19. a storage battery; 20. a fuse box; 21. a woofer; 22. low speed pedestrian alarm.
Detailed Description
The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, or uses. It should be understood that throughout the drawings, identical or similar reference numerals indicate identical or similar parts and features. The drawings are only schematic representations of the concepts and principles of embodiments of the disclosure, and do not necessarily show specific dimensions and proportions of the various embodiments of the disclosure. Certain features and embodiments of the disclosure may be shown in exaggerated form in particular drawings to illustrate relevant details or structures of embodiments of the disclosure.
Referring to FIGS. 1-3:
example one
An unmanned vehicle line control chassis arrangement structure comprises a chassis system, a power system and an electronic and electrical system. The chassis system comprises but is not limited to aframe 1, a suspension 2, a steer-by-wire 3, asteering control module 4, an EHB brake-by-wire 5, adrive axle 6, arim 7 andtires 8; the power system comprises but is not limited to amotor 9, amotor control unit 10, apower battery 11, aslow charging port 12, anOBC module 13, aDCDC module 14, a vehicle-mountedreceiving coil 15, a vehicle-mountedreceiving controller 16 and aVCU module 17; the electronic and electric system includes but is not limited to asafety contact 18, astorage battery 19, afuse box 20, awoofer 21, and a low speedpedestrian alarm 22.
It should be noted that thedrive axle 6 is mounted on theframe 1 through the suspension 2, thetire 8 is mounted on therim 7, therim 7 is mounted on thedrive axle 6, the steer-by-wire 3 is mounted on theframe 1 and connected with thedrive axle 6, and the EHB brake-by-wire 5 is mounted on theframe 1, specifically, located on the right side of theframe 1 for facilitating brake fluid filling.
In addition,motor 9 is connected withdrive axle 6 transmission,power battery 11 is installed onframe 1 floor, the chassis height has been reduced to the structural design that sinks of battery compartment onframe 1, make unmanned vehicle operation more steady, chassis height reduces and makes things convenient for the goods transport, mountable one or twopower battery 11 in the battery compartment are used for solving the anxious problem of continuation of the journey mileage under the different use scenes, fillmouthful 12 with slowly and install on the right side floor for conveniently charging,OBC module 13 is installed aboveframe 1 floor as wired charger,DCDC module 14 is installed onleft side frame 1 and is highly staggered with on-vehicle receiving controller 16 for conveniently overhauing, on-vehicle receiving controller 16 is installed above the floor, on-vehicle receiving coil 15 is installed in the floor in the intermediate position of floor width direction,VCU module 17 is installed on the frame left side for conveniently overhauing.
In this embodiment, the safety contact edges 18 are installed at the front and rear ends of theframe 1, thestorage battery 19 and thefuse box 20 are installed on the right floor of theframe 1 for easy maintenance and replacement, and thewoofer 21 and the lowspeed pedestrian alarm 22 are installed on theframe 1 in the forward direction.
Specifically, theframe 1 is formed by splicing and welding square tubes of 40mm multiplied by 30mm, and the upper surface of theframe 1 is flush; the front and rear suspensions 2 adopt trailing arm type non-independent suspensions, and share a set of suspensions at the front and the rear; the steer-by-wire 3 is a single-pull-rod steering gear, the design of a pipe column is avoided, in order to reduce the turning radius, two steer-by-wire steering gears 3 are arranged in front of and behind the steer-by-wire chassis to realize four-wheel steering, and the steer-by-wire steering gears 3 are subjected to steering control by a steeringgear control module 4; the linecontrol EHB brake 5 is an electronic hydraulic brake system and adopts a four-wheel disc type EPB electronic brake, and the linecontrol EHB brake 5 is connected with four brake pipes to realize four-wheel brake; thedrive axle 6 is an integral electrically-driven steering axle; therim 7 is made of steel;tire 8 model was 135/70R12.
It should be noted that themotor 9 is a direct-drive permanent magnet motor, and is installed integrally with the front andrear drive axles 6 to realize four-wheel drive, and themotor 9 is controlled by amotor control unit 10; thepower battery 11 is a lithium iron phosphate battery, and a hoisting ring is designed at the mounting bracket to facilitate hoisting and maintenance; the in-vehicle receiving coil 15 and the in-vehicle receiving controller 16 are used only for wireless charging in place of theOBC module 13.
When the vehicle-mountedreceiving coil 15 enters a working distance, the function of supplementing the electric quantity of the power battery is automatically started; theVCU module 17 carries out decision control on the linear control chassis; thesafety contact edge 18 is a flexible and bendable round object, and when the safety contact edge is impacted by other objects or people, thesafety contact edge 18 is pressed and transmits a signal to the controller to stop the operation of the unmanned vehicle; thewoofer 21 and the low-speed pedestrian alarm 22 function as voice warning interaction functions.
Exemplary embodiments of the proposed solution of the present disclosure have been described in detail above with reference to preferred embodiments, however, it will be understood by those skilled in the art that many variations and modifications may be made to the specific embodiments described above, and that many combinations of the various technical features and structures presented in the present disclosure may be made without departing from the concept of the present disclosure, without departing from the scope of the present disclosure, which is defined by the appended claims.