CN109104915A - A kind of plug-in electric rotary-tillage machine - Google Patents
A kind of plug-in electric rotary-tillage machine Download PDFInfo
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- CN109104915A CN109104915A CN201811144469.7A CN201811144469A CN109104915A CN 109104915 A CN109104915 A CN 109104915A CN 201811144469 A CN201811144469 A CN 201811144469A CN 109104915 A CN109104915 A CN 109104915A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
- A01B33/02—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs with tools on horizontal shaft transverse to direction of travel
- A01B33/021—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs with tools on horizontal shaft transverse to direction of travel with rigid tools
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
- A01B33/08—Tools; Details, e.g. adaptations of transmissions or gearings
- A01B33/082—Transmissions; Gearings; Power distribution
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
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- Agricultural Machines (AREA)
- Soil Working Implements (AREA)
Abstract
The present invention relates to a kind of plug-in electric rotary-tillage machines, including rotary cultivator body, rotary cultivator roller knife, roller cutter shaft assembly, hanging bar, speed reducer assembly, electronic-control box and rotary cultivator circuit assembly；Rotary cultivator circuit assembly includes electric interfaces part, equipment job management part and equipment drive part.Electric interfaces part is quickly and reliably connected rotary cultivator and electric tractor with power transmission cable by way of multiple contact electrical cnnector grafting, to access rotary cultivator circuit assembly in the complete machine power grid of electric tractor, to realize the transmitting of electric energy and data between tractor and rotary cultivator；Equipment job management part is coordinated and managed by the electrifying startup of rotary cultivator, equipment driving, lower electric shutdown, high voltage electric safety management, equipment monitoring running state and electric interfaces connection procedure etc.；Equipment drive part receives the instruction of rotary cultivator management control unit, and control driving motor exports corresponding electromagnetic torque, and driving rotary cultivator carries out operation.
Description
Technical field
The present invention relates to tillage machinery fields, more particularly to a kind of plug-in electric rotary-tillage machine.
Background technique
Rotary cultivator is the cultivation machinery for completing to plough, harrow operation with tractor.Rotary tillage used in traditional agriculture production
Machinery is to be driven by diesel engine by a series of transmission devices and standard mechanical PTO interface, this driving method
So that the revolving speed of rotary cultivator is difficult to get rid of the influence of engine speed, thus also mean that the working speed of rotary cultivator is confined
Near several isolated revolving speed points, it is difficult to realize stepless speed regulation；Under tradition machinery formula power transmission mode, to realize rotary tillage
Soft combination when machine knife blade buries, generally need to be by control clutch sliding wear come real to reduce the impact to blade and engine
It is existing, this not only waste of resource, and also operation continuity is poor, operating efficiency is low；The power output interface of traditional rotary cultivator is spline
Connection, when mounting rotary tillage machine, operating process is relative complex.
Plug-in electric rotary-tillage machine is that one kind is drawn by electrical cnnector (such as electric connector) and accessory cables from electronic
The electric power output interface (such as electrical outlets) of machine obtains the electric tractor matched farm tool of driving energy, its own carries motor
Driving device, but without being equipped with power battery.
Compared with traditional rotary cultivator, there is plug-in electric rotary-tillage machine capacity usage ratio height, equipment to mount easy to operate, work
Make good continuity, revolving speed and direct torque freedom degree are big, be easily achieved stepless speed regulation and soft start control and detent torque it is big
Feature, meanwhile, rotary cultivator is connected using electrical cnnector and accessory cables with tractor, is not only able to achieve power transmission, may be used also
Realize job information interaction, i.e., the various job informations of rotary tillage machine can be uploaded to complete machine of tractor in operation process, and drag
Various job instructions can also be issued in time rotary cultivator by machine drawing complete machine, this is for realizing tractor implement combination fining pipe
Reason, the informationization for promoting Complete working unit and intelligent level are of great significance.
Compared with the Self walking electric rotary cultivator of a kind of self-powered battery proposed domestic in recent years and power chassis,
The advantage of the plug-in electric rotary-tillage machine proposed is:
(1) plug-in electric rotary-tillage machine only increases motor driver and cable connection dress on the basis of traditional rotary cultivator
It sets, from the point of view of current domestic electric machine current situation, by taking permanent magnet synchronous motor as an example, motor continuous power density has been more than
0.75kW/kg, peak power density are more than 1.5kW/kg, meanwhile, drive and control of electric machine technology is gradually improved, motor driven systems
Cost continues to decline, thus plug-in electric rotary-tillage machine technical feasibility is high, and increased costs are few, and control difficulty is small, revolve with tradition
The connecting for ploughing machine technical solution is good, thus is also easier to industrialization.
(2) plug-in electric rotary-tillage machine is without being equipped with power battery, as the outfitting tool of tractor, working power and
Cruising ability is determined by complete machine of tractor power output ability, described compared to the Self walking electric rotary cultivator from battery pack
Plug-in electric rotary-tillage machine take electricity from complete machine of tractor by electric interfaces, because it is not by battery weight, volume and cost
Limitation, therefore there is broader power match range and better adaptability for working condition, and Self walking electric rotary cultivator is by battery skill
The limitation of art, power grade and cruising ability are limited, can only generally use in the specific a small range such as greenhouse.
Summary of the invention
In view of the deficiencies in the prior art, the purpose of the present invention is to provide a kind of plug-in electric rotary-tillage machines.
To achieve the above objectives, the technical solution adopted by the present invention is that:
A kind of plug-in electric rotary-tillage machine, including rotary cultivator body 8, rotary cultivator roller knife 6, roller cutter shaft assembly 7, hanging bar
3, speed reducer assembly 4, electronic-control box 5 and rotary cultivator circuit assembly；Wherein, rotary cultivator circuit assembly includes three parts, is respectively
Electric interfaces part, equipment job management part and equipment drive part.
The electric interfaces part includes multiple contact electrical cnnector 1 and power transmission cable 2；
The major function of the electric interfaces part be by way of 1 grafting of multiple contact electrical cnnector by rotary cultivator with
Electric tractor is quickly and reliably connected with power transmission cable 2, so that rotary cultivator circuit assembly is accessed electric tractor
Complete machine power grid in, to realize the transmitting of electric energy and data between tractor and rotary cultivator；
Equipment job management part includes rotary cultivator management control unit, high-voltage relay, high voltage connector, power
Resistance and current sensor；The high-voltage relay, high voltage connector and current sensor are by rotary cultivator management control unit
It is controlled；
The rotary cultivator management control unit is connect with high-voltage relay, high voltage connector, current sensor respectively, described
After power resistor and the series connection of high-voltage relay major loop, then it is in parallel with high voltage connector major loop, together constitute equipment driving
Partial preliminary filling electrical circuit, for avoiding the heavy current impact when connecting high pressure to equipment drive part circuit devcie；It is described
Current sensor is responsible for acquiring the current value of equipment drive part direct current power supply loop.
The major function of equipment job management part be the electrifying startup of rotary cultivator, equipment are driven, lower electricity is shut down,
High voltage electric safety management, equipment monitoring running state and electric interfaces connection procedure etc. are coordinated and managed, and are electronic rotations
Plough the core of machine circuit assembly.
The equipment drive part includes motor driver 9, threephase cable, motor encoder and temperature sensor, institute
Stating motor driver 9 includes driving motor and electric machine controller, and the motor encoder and temperature sensor are mounted on driving
Inside the rear end cap of motor, and it is connected respectively by motor encoder harness and temperature sensor harness with electric machine controller,
The electric machine controller is connect by threephase cable with driving motor；Electric machine controller is bolted in electronic-control box 5
Portion；Electronic-control box 5 is then bolted on 8 top middle portion of rotary cultivator body；The output end and speed reducer assembly 4 of driving motor
Input terminal power is transmitted by spline connection type, the flange on driving motor end face is fastenedly connected with speed reducer assembly 4；Subtract
Fast device assembly 4 is bolted on rotary cultivator body 8；
The major function of the equipment drive part is to receive the instruction of rotary cultivator management control unit, controls driving motor
Corresponding electromagnetic torque is exported, driving rotary cultivator carries out operation.
The multiple contact electrical cnnector 1 is connected to one end of power transmission cable 2, the power transmission cable 2 it is another
One end is connected to electronic-control box 5, and the top of speed reducer assembly 4 is equipped with hanging bar 3, the bottom peace of the rotary cultivator body 8
Equipped with roller cutter shaft assembly 7, rotary cultivator roller knife 6 is installed on the roller cutter shaft assembly 7.
On the basis of above scheme, the multiple contact electrical cnnector 1 includes communication CANH contact 1-1, connector company
Meet confirmation contact 1-2, communication CANL contact 1-3, power power supply negative contact terminal 1-4, low pressure auxiliary power supply negative contact terminal 1-5, height
Press-fitting electricity allows contact 1-6, low pressure auxiliary power supply positive contact 1-7 and power power supply positive contact 1-8；
The power power supply positive/negative contact is used to provide power electric to the equipment drive part of rotary cultivator；
The communication CANH/CANL contact is completed to drag for realizing the communication connection of electric tractor and electric rotary-tillage machine
The interaction and transmitting of various signals between machine drawing and rotary cultivator；
Connector connection confirmation contact 1-2 for confirm all contacts of multiple contact electrical cnnector 1 whether with
The correspondence plug-in unit being fixed on tractor is fully connected, and anti-stop-band carries the unexpected generation such as disjunction connector；
The low pressure auxiliary power supply positive/negative contact is used to provide power supply to the rotary cultivator circuit assembly of electric rotary-tillage machine；
The high voltage power distribution allows contact 1-6 for transmitting the trigger signal from tractor cab, and rotary cultivator only has
When the signal is low level state, just allows to connect high voltage power power supply, can realize a key of in emergency circumstances rotary cultivator
Stopping function；
Each contact of the multiple contact electrical cnnector 1 can integrate in the same connector, can also be according to electricity
Pressure grade and the difference of function type are separately positioned in one or more connectors.
On the basis of above scheme, each contact length setting of the multiple contact electrical cnnector 1 is inconsistent.
On the basis of above scheme, the power transmission cable 2 is multicore cable, and power transmission cable 2 is effective
Core number (effective core number does not represent total core number, and general total core number is no less than effective core number) and battery core function and the multiple contact are electrical
The contact number and contact function of connector 1 are corresponding.
On the basis of above scheme, the rotary cultivator management control unit include power port, dry contact output port,
PORT COM, switching value and current input terminal mouth, high-voltage signal acquisition port, USB program download port, GPRS antenna port and
SIM card port；
The Power+ pin of the power port is connected with the low pressure auxiliary power supply anode battery core of power transmission cable 2,
Power- pin is connected with the low pressure auxiliary power supply cathode battery core of power transmission cable 2, and PG pin connects rotary cultivator body 8；
K1COM pin, K2COM pin, K3COM pin, K4COM pin, the K5COM pin of the dry contact output port
It is connected with the low pressure auxiliary power supply cathode battery core of power transmission cable 2, K2NO pin and high-voltage relay control coil cathode
It is connected, high-voltage relay control coil anode is connected with the low pressure auxiliary power supply anode battery core of power transmission cable 2, K3NO pin
It is connected with high voltage connector control coil cathode, the PRE+ of output end and high-voltage signal the acquisition port of high voltage connector major loop
Pin is connected, and crimps the output end of tentaculum major loop and the direct current of electric machine controller inputs positive (B+) and is connected, electric machine controller
The power cathode battery core of powering of direct current input cathode (B-) and power transmission cable 2 be connected；
The CAN2L pin of the PORT COM is connected with the CAN2L pin of electric machine controller, CAN2H pin and motor control
The CAN2H pin of device processed is connected, and CAN2LR pin is connected with CAN2L pin, and CAN2G pin is connected with rotary cultivator body 8,
CAN3L pin is connected with the communication CANL battery core of power transmission cable 2, the communication CANH of CAN3H pin and power transmission cable 2
Battery core is connected, and CAN3LR pin is connected with CAN3L pin, and CAN3G pin is connected with rotary cultivator body 8；
The DI2 pin of the switching value and current input terminal mouth connect confirmation battery core with the connector of power transmission cable 2
It is connected, DI3 pin allows battery core to be connected with the high voltage power distribution of power transmission cable 2, DICOM+ pin and power transmission cable 2
Low pressure auxiliary power supply anode battery core is connected, and+12V pin is connected with current sensor power supply anode, -12V pin and current sense
Device is powered, and cathode is connected, and IBAT pin is connected with current sensor signal output end, and GND pin and current sensor are with reference to ground phase
Even；
The BAT- pin of high-voltage signal acquisition port is connected with the power of power transmission cable 2 power supply cathode battery core,
BAT+ pin is connected with the positive battery core of the power of power transmission cable 2 power supply, the positive battery core of power power supply of power transmission cable 2
It is connected respectively with the input terminal of high voltage connector major loop and power resistor, the direct current input of PRE+ pin and electric machine controller is just
Extremely it is connected, PE pin is reliably connected rotary cultivator body 8.
On the basis of above scheme, the type of driving motor can be permanent magnet synchronous motor or AC induction motor,
It is also possible to switched reluctance machines.
On the basis of above scheme, when the type of driving motor is permanent magnet synchronous motor or AC induction motor, motor
Controller uses vector control algorithm, and when the type of driving motor is switched reluctance machines, electric machine controller uses Direct Torque
Control algolithm.
On the basis of above scheme, the motor encoder type is rotary transformer type encoder；The temperature passes
Sensor type is thermosensitive resistance type sensor.
The advantage of plug-in electric rotary-tillage machine proposed by the invention is:
(1) plug-in electric rotary-tillage machine only increases motor driver and cable connection dress on the basis of traditional rotary cultivator
It sets, from the point of view of current domestic electric machine current situation, by taking permanent magnet synchronous motor as an example, motor continuous power density has been more than
0.75kW/kg, peak power density are more than 1.5kW/kg, meanwhile, drive and control of electric machine technology is gradually improved, motor driven systems
Cost continues to decline, thus plug-in electric rotary-tillage machine technical feasibility is high, and increased costs are few, and control difficulty is small, revolve with tradition
The connecting for ploughing machine technical solution is good, thus is also easier to industrialization.
(2) plug-in electric rotary-tillage machine is without being equipped with power battery, as the outfitting tool of tractor, working power and
Cruising ability is determined by complete machine of tractor power output ability, described compared to the Self walking electric rotary cultivator from battery pack
Plug-in electric rotary-tillage machine take electricity from complete machine of tractor by electric interfaces, because it is not by battery weight, volume and cost
Limitation, therefore there is broader power match range and better adaptability for working condition, and Self walking electric rotary cultivator is by battery skill
The limitation of art, power grade and cruising ability are limited, can only generally use in the specific a small range such as greenhouse.
Detailed description of the invention
The present invention has following attached drawing:
The plug-in electric rotary-tillage machine overall construction drawing of Fig. 1.
The plug-in electric rotary-tillage machine circuit assembly schematic diagram of Fig. 2.
The plug-in electric rotary-tillage machine electrical cnnector contact composition schematic diagram of Fig. 3.
Wherein, 1 multiple contact electrical cnnector, 2 power transmission cable, 3 hanging bar, 4 speed reducer assembly, 5 electronic-control box, 6 rotary tillage
78 rotary cultivator body of roller cutter shaft assembly of machine roller knife, 9 motor driver 1-1 communicates CANH contact 1-2 connector connection confirmation contact
1-3, which communicates CANL contact 1-4 power power supply negative contact terminal 1-5 low pressure auxiliary power supply negative contact terminal 1-6 high voltage power distribution, allows contact
1-7 low pressure auxiliary power supply positive contact 1-8 power power supply positive contact.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Based on above-mentioned analysis, the invention discloses a kind of plug-in electric rotary-tillage machine, in conjunction with Fig. 1, overall structure includes
Multiple contact electrical cnnector 1, power transmission cable 2, hanging bar 3, speed reducer assembly 4, electronic-control box 5, rotary cultivator roller knife 6,
Roller cutter shaft assembly 7, rotary cultivator body 8 and motor driver 9, the multiple contact electrical cnnector 1 can be according to voltages etc.
One or more is respectively set in grade and the difference of functional attributes；The multiple contact electrical cnnector 1 is connected to power transmission electricity
One end of cable 2；The power transmission cable 2 is multicore cable, and effective core number of power transmission cable 2 and more touchings
The contact number of head electrical cnnector 1 is corresponding；The other end of the power transmission cable 2 is connected to electronic-control box 5；Described
Electronic-control box 5 is fixed on rotary cultivator body 8；Hanging bar 3, speed reducer assembly are further fixed on the rotary cultivator body 8
4, motor driver 9 and roller cutter shaft assembly 7, wherein motor driver 9 is by a driving motor and electric machine controller group
At the output end of driving motor is connected to the input terminal of speed reducer assembly 4；Rotary cultivator is installed on the roller cutter shaft assembly 7
Roller knife 6.
The composition and working principle of the plug-in electric rotary-tillage machine circuit assembly
In conjunction with Fig. 2, circuit assembly can be divided into three parts, be electric interfaces part, equipment job management part and machine respectively
Has drive part.
The major function of electric interfaces part be by way of 1 grafting of multiple contact electrical cnnector by rotary cultivator with it is electronic
Used with tractor power transmission cable 2 quickly and reliably connects, thus by the whole of rotary cultivator circuit assembly access electric tractor
In electromechanics net, to realize the transmitting of electric energy and data between tractor and rotary cultivator.
Electric interfaces part includes multiple contact electrical cnnector 1 and power transmission cable 2, and in conjunction with Fig. 3, multiple contact is electrical
Connector 1 includes at least communication CANH contact 1-1, connector connection confirmation contact 1-2, communication CANL contact 1-3, power power supply
Negative contact terminal 1-4, low pressure auxiliary power supply negative contact terminal 1-5, high voltage power distribution allow contact 1-6, low pressure auxiliary power supply positive contact
1-7 and power power supply positive contact 1-8.Each contact of multiple contact electrical cnnector 1 can integrate in the same connector,
It can also be separately positioned on according to voltage class and function type in two connectors.
The multiple contact electrical cnnector 1 is connected to one end of power transmission cable 2；The power transmission cable 2
For multicore cable, and the contact number and contact function of its effective core number and battery core function and the multiple contact electrical cnnector 1
It is corresponding.Detailed description are as follows for the corresponding function of each contact (or battery core):
Power is powered positive/negative contact (or battery core): providing power electric to the equipment drive part of rotary cultivator；
It communicates CANH/CANL contact (or battery core): realizing the communication connection of electric tractor and electric rotary-tillage machine, complete to drag
The interaction and transmitting of various signals between machine drawing and rotary cultivator；
Connector connection confirmation contact (or battery core): for whether to confirm all contacts of multiple contact electrical cnnector 1
It is fully connected with the corresponding plug-in unit being fixed on tractor, anti-stop-band carries the unexpected generation such as disjunction connector；
Low pressure auxiliary power supply positive/negative contact (or battery core): power supply is provided to the rotary cultivator circuit assembly of electric rotary-tillage machine；
High voltage power distribution allows contact (or battery core): one trigger signal from tractor cab of transmitting, rotary cultivator is only
Have when the signal is low level state, just allows to connect high voltage power power supply, can realize the one of in emergency circumstances rotary cultivator
Key stopping function.
The major function of equipment job management part is the electrifying startup to rotary cultivator, equipment driving, lower electricity shutdown, high pressure
Electrical Safety management, equipment monitoring running state and electric interfaces connection procedure etc. are coordinated and managed, and are electric rotary-tillage machines
The core of circuit assembly.
In conjunction with Fig. 2, equipment job management part includes rotary cultivator management control unit, high-voltage relay, high voltage connector
And power resistor, wherein after high-voltage relay and power resistor series connection, then it is in parallel with high voltage connector, it together constitutes electronic
The preliminary filling electrical circuit of rotary cultivator equipment drive part, for avoiding when connecting high pressure to the big of equipment drive part circuit devcie
Rush of current, high-voltage relay and high voltage connector are controlled by rotary cultivator management control unit；The equipment operation
Administrative section further includes current sensor, and the current sensor is connected with the rotary cultivator management control unit, is responsible for
Acquire the current value of rotary cultivator equipment drive part direct current power supply loop.
In conjunction with Fig. 2, the terminal port configuring condition of the rotary cultivator management control unit is described further.The rotation
It ploughs machine management control unit and includes at least power port, dry contact output port, PORT COM, switching value and current input terminal
Mouth, high-voltage signal acquisition port, USB program download port, GPRS antenna port and SIM card port, the pin of each port are fixed
Adopted and in rotary cultivator management control unit function is as follows:
The definition of 1 rotary cultivator management control unit port function of table and wiring explanation
The major function of equipment drive part is to receive the instruction of rotary cultivator management control unit, control driving motor output
Corresponding electromagnetic torque, driving rotary cultivator carry out operation.
In conjunction with Fig. 2, equipment drive part is by electric machine controller, driving motor, motor phase line and motor encoder and temperature
Spend sensor composition.The type of driving motor can be permanent magnet synchronous motor or AC induction motor, be also possible to switch magnetic
Hinder motor；When the type of driving motor is permanent magnet synchronous motor or AC induction motor, electric machine controller is calculated using vector controlled
Method, when the type of driving motor is switched reluctance machines, electric machine controller uses Direct Torque Control algorithm.Motor encoder class
Type is rotary transformer type encoder.Temperature sensor type is thermosensitive resistance type sensor.
The working principle and various functions explanation of electric rotary-tillage machine
Further, the working principle of electric rotary-tillage machine and the function having are explained.
Working principle is as follows:
In conjunction with Fig. 2, rotary cultivator management control unit is in the DI2 pin (connection for detecting switching value and current input terminal mouth
Device contact is fully connected signal), DI3 pin (high voltage power distribution permission signal) it is effective under the premise of, when the CAN3H of PORT COM draws
When foot and CAN3L pin receive " rotary cultivator starting " message from complete machine of tractor, it is closed dry contact output port first
The 2nd road dry contact K2NO pin, due to all common end groundings of dry contact output port, so when K2NO pin be low electricity
Flat, then, the high-voltage relay in preliminary filling electrical circuit is switched on, and is limited by Series power resistance, electric machine controller both ends
DC voltage gradually rises, and rotary cultivator management control unit acquires port by high-voltage signal and acquires electric machine controller both ends respectively
Load voltage and power supply total voltage, and when load voltage reaches the 95% of total voltage, the 3rd of closure dry contact output port the
Road dry contact K3NO pin, K3NO pin level are pulled low, and the control coil of the high voltage connector of preliminary filling electrical circuit obtains electric, high pressure
The major loop of contactor is connected namely the high tension loop of rotary cultivator equipment drive part conducting, and then, rotary cultivator management control is single
Member disconnects the 2nd road dry contact K2NO of dry contact output port, and the high-voltage relay of preliminary filling electrical circuit disconnects therewith, driving current
Enter electric machine controller and driving motor by major loop.The internal algorithm of rotary cultivator management control unit, which is equipped with, is directed to rotary cultivator
The closed loop control process of 7 revolving speed of roller cutter shaft assembly is controlled according to actual speed signal and rotating speed of target deviation of signal using PI
Model provides the target torque of driving motor in real time, and by CAN3H the and CAN3L pin of PORT COM by target torque order
It is sent to electric machine controller, target torque instruction is converted to target current by electric machine controller, and passes through built-in electric current loop tune
The output torque for saving driving motor, so that 6 actual speed of rotary cultivator roller knife can preferably track rotating speed of target.Due to described
The operation revolving speed of electric rotary-tillage machine is independently of the forward speed of tractor driving system, thus it can realize nothing in a certain range
Grade speed regulation.
In conjunction with Fig. 2, Fig. 3, the function of the electric rotary-tillage machine is described further.
(1) rotary cultivator operating current detection function: in the rotary cultivator course of work, rotary cultivator management control unit is by opening
The signal value of the IBAT pin acquisition Hall-type current sensor of pass amount and current input terminal mouth, to rotary cultivator equipment drive part
Operating current be monitored.
(2) rotary cultivator state of insulation detection function: when rotary cultivator management control unit passes through the cause for gossip of high-voltage signal collection terminal
The state of insulation of power current supply circuit is detected, on-line checking power can be grounded for electric monopole rapidly, bipolar ground connection, middle ground etc.
Leak current fault, the safety of powerful guarantee electric rotary-tillage machine high-voltage power system.
(3) rotary cultivator information sharing function: rotary cultivator management control unit is by using GPRS antenna port and SIM card
The running state data real-time transmission of rotary cultivator to cloud can be made user that can check at any time rotary cultivator operation information simultaneously by port
The downloading of historical data is provided, realizes the active maintenance and management of equipment；Rotary cultivator operation data can also pass through PORT COM
CAN3H and CAN3L are uploaded to complete machine of tractor, so that driver understands the operating status of equipment in driver's cabin display screen at any time；
Data record can also be got off by USB program download port, be sent to producer offline, the foundation as product up-gradation.
(4) the DI3 pin of the switching value of rotary cultivator management control unit and current input terminal mouth is in a manner of rigid line and dynamic
The high voltage power distribution of power transmission cable 2 allows battery core to be connected, and after electric rotary-tillage machine is correctly mounted with tractor, high voltage power distribution allows
Contact 1-6 is simultaneously attached at the emergency stop switch being arranged to cabin interior.In rotary cultivator operational process, when emergency stop switch quilt
When pressing, the switching value of rotary cultivator management control unit and the DI3 pin of current input terminal mouth are set to height, and high voltage power distribution allows letter
Number failure, rotary cultivator management control unit will control dry contact output port the 3rd road dry contact K3NO disconnect, to disconnect height
Tentaculum is crimped, high voltage supply circuit is cut off, and rotary cultivator is shut down.
(5) the anti-band of electric interfaces carries breaking function: each contact of the multiple contact electrical cnnector 1 of electric interfaces part is long
Short setting is inconsistent, and in contact pin and during plugging together of sleeve, rotary cultivator management control unit is by detecting its switching value and electricity
The level state for flowing the DI3 pin of input port, can determine whether connection status locating for multiple contact electrical cnnector 1, works as multiple contact
When electrical cnnector 1 has disjunction trend, rotary cultivator management control unit can notify equipment drive part to unload in time, more to prevent
Contact electrical cnnector 1 is with load disjunction.
(6) pre-charging functions are connected in rotary cultivator high tension loop: when connecting rotary cultivator circuit assembly high pressure major loop, rotary tillage
Machine management control unit connects high-voltage relay first, and power resistor is sealed in positive circuit, and detect power supply voltage and
The load voltage at electric machine controller both ends, when load voltage is close to power supply voltage, ability closed high contactor is to connect
High pressure major loop, thus can avoid when directly connecting high pressure major loop may due to dash current is excessive caused by tripping or molten
The generation for phenomena such as disconnected device is blown.
The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
Claims (8)
1. a kind of plug-in electric rotary-tillage machine, it is characterised in that: including rotary cultivator body (8), rotary cultivator roller knife (6), roller cutter shaft
Assembly (7), hanging bar (3), speed reducer assembly (4), electronic-control box (5) and rotary cultivator circuit assembly；Wherein, rotary cultivator circuit
Assembly includes three parts, is electric interfaces part, equipment job management part and equipment drive part respectively；
The electric interfaces part includes multiple contact electrical cnnector (1) and power transmission cable (2)；
Rotary cultivator and electric tractor are used by way of multiple contact electrical cnnector (1) grafting dynamic in the electric interfaces part
Power transmission cable (2) quickly and reliably connects, thus by the complete machine power grid of rotary cultivator circuit assembly access electric tractor,
To realize the transmitting of electric energy and data between tractor and rotary cultivator；
Equipment job management part includes rotary cultivator management control unit, high-voltage relay, high voltage connector, power resistor
And current sensor；The high-voltage relay, high voltage connector and current sensor are carried out by rotary cultivator management control unit
Control；
The rotary cultivator management control unit is connect with high-voltage relay, high voltage connector, current sensor respectively, the power
After resistance and the series connection of high-voltage relay major loop, then it is in parallel with high voltage connector major loop, together constitute equipment drive part
Preliminary filling electrical circuit, for avoiding the heavy current impact when connecting high pressure to equipment drive part circuit devcie；The electric current
Sensor is responsible for acquiring the current value of equipment drive part direct current power supply loop；
Equipment job management part is the electrifying startup to rotary cultivator, equipment driving, lower electricity shutdown, high voltage electric bursting tube
Reason, equipment monitoring running state and electric interfaces connection procedure are coordinated and managed；
The equipment drive part includes motor driver (9), threephase cable, motor encoder and temperature sensor, described
Motor driver (9) includes driving motor and electric machine controller, and the motor encoder and temperature sensor are mounted on driving
Inside the rear end cap of motor, and it is connected respectively by motor encoder harness and temperature sensor harness with electric machine controller,
The electric machine controller is connect by threephase cable with driving motor；Electric machine controller is bolted on electronic-control box (5)
It is internal；Electronic-control box (5) is bolted on rotary cultivator body (8) top middle portion；The output end and retarder of driving motor
The input terminal of assembly (4) transmits power by spline connection type, and the flange and speed reducer assembly (4) on driving motor end face are tight
It is solidly connected；Speed reducer assembly (4) is bolted on rotary cultivator body (8)；
The equipment drive part is used to receive the instruction of rotary cultivator management control unit, the corresponding electricity of control driving motor output
Magnetic torque, driving rotary cultivator carry out operation；
The multiple contact electrical cnnector (1) is connected to one end of power transmission cable (2), the power transmission cable (2)
The other end is connected to electronic-control box (5), is equipped at the top of speed reducer assembly (4) hanging bar (3), the rotary cultivator body
(8) bottom is equipped with roller cutter shaft assembly (7), is equipped with rotary cultivator roller knife (6) on the roller cutter shaft assembly (7).
2. plug-in electric rotary-tillage machine as described in claim 1, it is characterised in that: multiple contact electrical cnnector (1) packet
Include communication CANH contact (1-1), connector connection confirmation contact (1-2), communication CANL contact (1-3), power power supply cathode touching
Head (1-4), low pressure auxiliary power supply negative contact terminal (1-5), high voltage power distribution allow contact (1-6), low pressure auxiliary power supply positive contact
(1-7) and power power positive contact (1-8)；
The power power supply positive/negative contact is used to provide power electric to the equipment drive part of rotary cultivator；
The communication CANH/CANL contact completes tractor for realizing the communication connection of electric tractor and electric rotary-tillage machine
The interaction and transmitting of various signals between rotary cultivator；
Connector connection confirmation contact (1-2) for confirm multiple contact electrical cnnector (1) all contacts whether with
The correspondence plug-in unit being fixed on tractor is fully connected, and anti-stop-band carries disjunction connector and surprisingly occurs；
The low pressure auxiliary power supply positive/negative contact is used to provide power supply to the rotary cultivator circuit assembly of electric rotary-tillage machine；
The high voltage power distribution allows contact (1-6) for transmitting the trigger signal from tractor cab, and rotary cultivator only exists
When the signal is low level state, just allow to connect high voltage power power supply, it can be achieved that in emergency circumstances a key of rotary cultivator is shut down
Function；
Each contact of the multiple contact electrical cnnector (1) can integrate in the same connector, can also be according to voltage
Grade and the difference of function type are separately positioned in one or more connectors.
3. plug-in electric rotary-tillage machine as claimed in claim 2, it is characterised in that: the multiple contact electrical cnnector (1)
Each contact length setting is inconsistent.
4. plug-in electric rotary-tillage machine as claimed in claim 2, it is characterised in that: the power transmission cable (2) is multicore
Cable, and the contact number of the effective core number and battery core function of power transmission cable (2) and the multiple contact electrical cnnector (1) and
Contact function is corresponding.
5. plug-in electric rotary-tillage machine as claimed in claim 4, it is characterised in that: the rotary cultivator management control unit includes
Power port, dry contact output port, PORT COM, switching value and current input terminal mouth, high-voltage signal acquire port, USB journey
Sequence download port, GPRS antenna port and SIM card port；
The Power+ pin of the power port is connected with the low pressure auxiliary power supply anode battery core of power transmission cable (2),
Power- pin is connected with the low pressure auxiliary power supply cathode battery core of power transmission cable (2), and PG pin connects rotary cultivator body
(8)；
The K1COM pin of the dry contact output port, K2COM pin, K3COM pin, K4COM pin, K5COM pin with
The low pressure auxiliary power supply cathode battery core of power transmission cable (2) is connected, K2NO pin and high-voltage relay control coil cathode phase
Even, high-voltage relay control coil anode is connected with the low pressure auxiliary power supply anode battery core of power transmission cable (2), K3NO pin
It is connected with high voltage connector control coil cathode, the PRE+ of output end and high-voltage signal the acquisition port of high voltage connector major loop
Pin be connected, crimp tentaculum major loop output end and electric machine controller direct current input anode is connected, electric machine controller it is straight
Stream input cathode is connected with the power of power transmission cable (2) power supply cathode battery core；
The CAN2L pin of the PORT COM is connected with the CAN2L pin of electric machine controller, CAN2H pin and electric machine controller
CAN2H pin be connected, CAN2LR pin is connected with CAN2L pin, and CAN2G pin is connected with rotary cultivator body (8), CAN3L
Pin is connected with the communication CANL battery core of power transmission cable (2), the communication CANH of CAN3H pin and power transmission cable (2)
Battery core is connected, and CAN3LR pin is connected with CAN3L pin, and CAN3G pin is connected with rotary cultivator body (8)；
The DI2 pin of the switching value and current input terminal mouth connect confirmation battery core phase with the connector of power transmission cable (2)
Even, DI3 pin allows battery core to be connected with the high voltage power distribution of power transmission cable (2), DICOM+ pin and power transmission cable (2)
Low pressure auxiliary power supply anode battery core be connected ,+12V pin and current sensor power supply anode are connected, -12V pin and electric current biography
Sensor is powered, and cathode is connected, and IBAT pin is connected with current sensor signal output end, and GND pin and current sensor are with reference to ground
It is connected；
The BAT- pin of high-voltage signal acquisition port is connected with the power of power transmission cable (2) power supply cathode battery core, BAT
+ pin is connected with the positive battery core of the power of power transmission cable (2) power supply, the power power supply anode electricity of power transmission cable (2)
Core is connected with the input terminal of high voltage connector major loop and power resistor respectively, the direct current input of PRE+ pin and electric machine controller
Anode is connected, and PE pin is reliably connected rotary cultivator body (8).
6. plug-in electric rotary-tillage machine as described in claim 1, it is characterised in that: the type of driving motor is permanent magnet synchronous electric
Machine, AC induction motor or switched reluctance machines.
7. plug-in electric rotary-tillage machine as claimed in claim 6, it is characterised in that: the type of driving motor is permanent magnet synchronous electric
When machine or AC induction motor, electric machine controller uses vector control algorithm, when the type of driving motor is switched reluctance machines,
Electric machine controller uses Direct Torque Control algorithm.
8. plug-in electric rotary-tillage machine as described in claim 1, it is characterised in that: the motor encoder type is that rotation becomes
Depressor type encoder；The temperature sensor type is thermosensitive resistance type sensor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811144469.7A CN109104915B (en) | 2018-09-29 | 2018-09-29 | Plug-in electric rotary cultivator |
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| CN201811144469.7A CN109104915B (en) | 2018-09-29 | 2018-09-29 | Plug-in electric rotary cultivator |
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| CN114190118A (en) * | 2021-12-31 | 2022-03-18 | 四川中科谷丰农业机械有限公司 | Working method of electric control system of deep ploughing crushing scarifier |
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