CN109823159A - Distance increasing unit and mixed-power tractor and its application - Google Patents
Distance increasing unit and mixed-power tractor and its application Download PDFInfo
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- CN109823159A CN109823159A CN201910154679.2A CN201910154679A CN109823159A CN 109823159 A CN109823159 A CN 109823159A CN 201910154679 A CN201910154679 A CN 201910154679A CN 109823159 A CN109823159 A CN 109823159A
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- 238000002485 combustion reaction Methods 0.000 claims abstract description 147
- 238000012546 transfer Methods 0.000 claims abstract description 30
- 238000012544 monitoring process Methods 0.000 claims description 93
- 238000012545 processing Methods 0.000 claims description 63
- 238000000034 method Methods 0.000 claims description 24
- 238000010248 power generation Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 7
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- 238000004891 communication Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 8
- 238000004458 analytical method Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 6
- 239000000295 fuel oil Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 235000013399 edible fruits Nutrition 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
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- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
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- 230000007613 environmental effect Effects 0.000 description 1
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- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The present invention provides a distance increasing unit and mixed-power tractor and its applications, wherein the distance increasing unit is matched with a power output shaft of a mixed-power tractor, wherein the distance increasing unit includes an internal combustion engine, a transfer case and a generator, wherein the generator is connected to the internal combustion engine by the transfer case, the power output shaft is suitable for being connected to the internal combustion engine by the transfer case, and the power that the internal combustion engine generates is divided into two by the transfer case is transmitted separately to the generator and the power output shaft.
Description
Technical field
The present invention relates to field of agricultural machinery more particularly to distance increasing unit and mixed-power tractor and its applications.
Background technique
Tractor is common one of agricultural machinery, is used to draw and drive Work machine to complete every mobile operation
Self-propelled motor it is mechanical.The tractor is generally positioned a PTO (power take-off) power output shaft, can connect
Other instruments are connected to, traction either driving operation is completed.
The power output shaft of the tractor of traditional internal combustion engine type can be installed in the one of the tractor
The output end of internal combustion engine, directly to obtain power from the internal combustion engine, by the internal combustion engine multi gear position of the tractor, work
The characteristics of making invariablenes turning speed obtains stable power.
With the upsurge of new energy application and for the demand of environmental protection, electric tractor either hybrid power is dragged
Machine drawing is come into being, and the power output shaft is commonly used in the auxiliary drive electricity of one separately added except a main drive motor of the tractor
Machine or other smoothly power are controllable to be conducive to the subsequent external output power of the power output shaft.
For the entire tractor, bi-motor scheme needs specially to increase for the power output shaft auxiliary
On the one hand motor increases integral vehicle cost, but also corresponding power control system is more complicated.
Such as by taking extended-range tractor as an example, it is reality between traditional tractor and pure electric vehicle tractor that extended-range is dilatory
With transition type tractor.Traditional tractor work oil consumption and emission request are higher, and are dragged using the electronic of single energy system
Machine drawing, cruising ability is difficult to meet the lasting job requirements of relatively high power tractor, it is therefore possible to use internal combustion engine distance increasing unit
To improve the cruising ability of electric tractor.There are multiple-working modes for extended-range mixing pull-over gear itself, while tractor needs
Walking states and external output state are controlled, entire control system will be sufficiently complex at this time, cost of manufacture and
Maintenance cost can also correspondingly increase.
Further, mixing dynamic tractor can be transformed by traditional tractor, be at this point for traditional tractor
It is no to be capable of providing enough installation spaces and propose certain demand.
Summary of the invention
A purpose of the present invention is that a distance increasing unit and mixed-power tractor and its application are provided, wherein the mixing is dynamic
The control of power tractor is simple.
Another object of the present invention is to provide a distance increasing unit and mixed-power tractor and its applications, wherein the mixing
The driving system structure of driving power tractor is simple.
Another object of the present invention is to provide a distance increasing unit and mixed-power tractor and its applications, wherein the mixing
The installation space that one power output shaft of driving power tractor needs is smaller.
Another object of the present invention is to provide a distance increasing unit and mixed-power tractor and its applications, wherein the driving
System is without increasing a stand-by motor either other steady power sources for being connected to the power output shaft.
Another object of the present invention is to provide a distance increasing unit and mixed-power tractor and its applications, wherein the mixing
The power output of driving power tractor can reach dynamic equilibrium with walking output.
Another object of the present invention is to provide a distance increasing unit and mixed-power tractor and its applications, wherein the mixing
The power output shaft of driving power tractor can export different revolving speeds.
Another object of the present invention is to provide a distance increasing unit and mixed-power tractor and its applications, wherein the increasing journey
Power can be divided into two and be transmitted separately to a generator and the power output shaft by device, wherein the generator can give one
Main drive motor power supply.
Another object of the present invention is to provide a distance increasing unit and mixed-power tractor and its applications, wherein the power generation
Machine and the power output shaft pass through internal combustion engine energy supply respectively, when work the power of the generator it is controllable.
Another object of the present invention is to provide a distance increasing unit and mixed-power tractor and its applications, wherein the power
Output shaft can be monitored, and the power output for adjusting the generator, so as to adjust the function of the main drive motor
Rate output, and then realize dynamic equilibrium.
Another object of the present invention is to a distance increasing unit and mixed-power tractor and its applications, based on the internal combustion engine
The energy supply of constant rotational speed formula, the generator can be by the way of real-time torque regulations, to realize the entire distance increasing unit
Seamless connection in all parts working method.
According to an aspect of the present invention, the present invention provides a distance increasing unit, be matched with a mixed-power tractor one is dynamic
Power output shaft comprising:
One internal combustion engine；
One transfer case；With
One generator, wherein the generator is connected to the internal combustion engine, the power output by the transfer case
Axis is suitable for being connected to the internal combustion engine by the transfer case, and the power that the internal combustion engine generates is divided by the transfer case one
The generator and the power output shaft are transmitted separately to for two.
An embodiment according to the present invention, the power output shaft by shift-variable are connected to the transfer case.
An embodiment according to the present invention, the distance increasing unit further comprises one first output shaft, wherein the internal combustion engine
It is driven with the transfer case by first output shaft.
An embodiment according to the present invention, the distance increasing unit further comprises one second output shaft, wherein the internal combustion engine
It is driven with the power transmission shaft by second output shaft.
An embodiment according to the present invention, the distance increasing unit further comprise an increasing range controller, wherein the internal combustion engine,
The transfer case and the generator are controllably connected to the increasing range controller respectively.
According to another aspect of the present invention, the present invention provides a power output systems comprising:
One power output shaft；With
According to above-mentioned distance increasing unit, wherein the power output shaft is connected to the transfer gear.
An embodiment according to the present invention, the power output system further comprise a main drive motor and a power supply system
System, wherein the generator is by for being electrically coupled to the power supply system, wherein the main drive motor can be connected with powering
It is connected to the generator.
According to another aspect of the present invention, the present invention provides a mixed-power tractors comprising:
One car body；
One running gear, wherein the running gear is installed in the car body；
One power output shaft；
One power supply system；
One control system；And
One drive system, wherein the drive system is installed in the car body, wherein the drive system includes one main
Driving motor and according to above-mentioned distance increasing unit, wherein the main drive motor is by for being electrically coupled to the power supply system,
Described in main drive motor be driveably connected to the generator, wherein the running gear, the power output shaft, institute
It states power supply system and the drive system is controllably connected to the control system respectively.
An embodiment according to the present invention, the control system include a monitoring unit, a processing unit and a control
Unit, wherein the monitoring unit is communicatively connected in a network in the running gear, the power output shaft, the power supply system
And the drive system, the processing unit and the monitoring unit are in communication with each other connection, the processing unit and the control
Unit processed is in communication with each other connection.
An embodiment according to the present invention, the mixed-power tractor have one first operating mode, one second work
Mode and a third operating mode, in first operating mode, the electrical power generators, which supply the main drive motor, to be made
With only the main drive motor drives the running gear, and in second operating mode, the distance increasing unit is only as described dynamic
The power source of power output shaft uses, in the third operating mode, the electrical power generators and distance increasing unit is to described dynamic
The output of power axis controls the distance increasing unit by described control unit so that the tractor is from first operating mode, institute
It states and switches between the second operating mode and the third operating mode.
An embodiment according to the present invention, the internal combustion engine and the generator are controllably connected to the control respectively
Unit processed, in the load variation of the power output shaft, described control unit controls the generator so that the internal combustion engine
A default working region is maintained at when meeting power output shaft output.
An embodiment according to the present invention, the internal combustion engine, the generator and the power supply system are by controllable respectively
It is connected to system described control unit, in the output variation of the running gear, described control unit controls the power supply system
System is so that the generator and the power supply system keep the internal combustion engine to exist while meeting the output of the running gear
One default working region.
An embodiment according to the present invention, the internal combustion engine, the generator and the power supply system are by controllable respectively
It is connected to system described control unit, in the output changes in demand of the running gear and the load change of the power output shaft
When change, described control unit controls the generator and the power supply system to meet the running gear output and described dynamic
Power output shaft keeps the internal combustion engine in a default working region while load.
According to another aspect of the present invention, the present invention provides the control methods of a power output system, and it is mixed to be applied to one
Close driving power tractor comprising following steps:
When providing power by a main drive motor of a power output system, the power output system is monitored,
Described in the power of an internal combustion engine of power output system be respectively allocated to a generator of the power output system and one dynamic
Power output shaft, wherein the energy source of the main drive motor is in the generator；With
In response to the loading detection of the power output shaft, the internal combustion engine is in the peak power output stage, controls institute
The power generation torque size of generator is stated to adjust the size of the generated energy of the generator, wherein the running gear can be driven
Ground is connected to the main drive motor.
An embodiment according to the present invention, in the above-mentioned methods, by adjusting the generator for the internal combustion engine
Output torque requests to meet the output demand of the power output shaft.
An embodiment according to the present invention, in the above-mentioned methods, in response to the load of the running gear, by adjusting institute
State the lotus that internal combustion engine adjusts the mode for exporting and adjusting power supply system output of the generator running gear
It carries, wherein the power supply system is by for being electrically coupled to the main drive motor.
An embodiment according to the present invention, in the above-mentioned methods, by adjusting the generator for the internal combustion engine
Output torque request meets output demand and the internal combustion engine is kept to work in a default working region.
Detailed description of the invention
Fig. 1 is the operation schematic diagram of a distance increasing unit according to a preferred embodiment of the present invention.
Fig. 2A is the application schematic diagram of a mixed-power tractor according to a preferred embodiment of the present invention.
Fig. 2 B is the application schematic diagram of a mixed-power tractor according to a preferred embodiment of the present invention.
Fig. 2 C is the application schematic diagram of a mixed-power tractor according to a preferred embodiment of the present invention.
Fig. 3 A is the schematic diagram of a mixed-power tractor according to a preferred embodiment of the present invention.
Fig. 3 B is the schematic diagram of a mixed-power tractor according to a preferred embodiment of the present invention.
Fig. 4 is the operation schematic diagram of a mixed-power tractor according to a preferred embodiment of the present invention.
Fig. 5 is the schematic diagram of a control system according to a preferred embodiment of the present invention.
Specific embodiment
It is described below for disclosing the present invention so that those skilled in the art can be realized the present invention.It is excellent in being described below
Embodiment is selected to be only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.It defines in the following description
Basic principle of the invention can be applied to other embodiments, deformation scheme, improvement project, equivalent program and do not carry on the back
Other technologies scheme from the spirit and scope of the present invention.
It will be understood by those skilled in the art that in exposure of the invention, term " longitudinal direction ", " transverse direction ", "upper",
The orientation or position of the instructions such as "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside"
Relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, rather than
The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore above-mentioned
Term is not considered as limiting the invention.
It is understood that term " one " is interpreted as " at least one " or " one or more ", i.e., in one embodiment,
The quantity of one element can be one, and in a further embodiment, the quantity of the element can be it is multiple, term " one " is no
It can be interpreted as the limitation to quantity.
With reference to figures 1 through shown in attached drawing 5, a mixed-power tractor 1 according to a preferred embodiment of the present invention is explained
It is bright.
The mixed-power tractor 1 includes a car body 10, a running gear 20, a power output shaft 30, one driving system
Unite 40, one power supply system 50 and a control system 60, wherein the running gear 20 for driving the car body 10 forward or
Person is to move backwards, and the running gear 20 is installed in the car body 10, wherein the power output shaft 30 is for externally defeated
Out, wherein the power output shaft 30 is installed in the drive system 40, wherein the drive system 40 be installed in it is described
Car body 10, for driving the car body 10 walking either externally output, wherein the power supply system 50 for store electric energy and
Electric energy is provided, wherein the power supply system 50 is by for being electrically coupled to the drive system 40, wherein the control system 60
For controlling the drive system 40 and the power supply system 50 and the running gear 20, wherein the running gear 20,
The drive system 40 and the power supply system 50 are controllably connected to the control system 60 respectively.
The drive system 40 includes a main drive motor 41 and a distance increasing unit 42, wherein the running gear 20 can be driven
It is connected to the main drive motor 41 dynamicly, wherein the main drive motor 41 is by for being electrically coupled to the power supply system
50, wherein the distance increasing unit 42 is by for being electrically coupled to the power supply system 50, so that the distance increasing unit 42 can be energized ground
It is connected to the main drive motor 41, the power output shaft 30 is driveably installed on the distance increasing unit 42.
More particularly, the power output shaft 30 is directly mounted to the distance increasing unit 42.The distance increasing unit 42 wraps
An internal combustion engine 421, a generator 422 and a transfer case 423 are included, wherein the generator 422 and the power output shaft 30
It is driveably connected to the internal combustion engine 421 respectively by the transfer case 423, wherein the generator 422 will transmit certainly
The kinetic energy of the internal combustion engine 421 is changed into electric energy, then by electric energy be transferred to the power supply system 50 in the follow-up process to
The main drive motor 41 is powered.The power output shaft 30 will transmit outwardly from the power of the internal combustion engine 421, so that
The other equipment for being connected to the power output shaft 30 can be driven operation, such as towage, lifting type operation etc..
The distance increasing unit 42 can also include an increasing range controller 426, wherein the internal combustion engine 421 and the generator
422 are controllably connected to the increasing range controller 426 respectively.The transfer case 423 can also be controllably connected to
The increasing range controller 426.The range controller 426 that increases can control the output of the internal combustion engine 421 based on an operating instruction
With the working condition of the generator 422.
In this way, for existing extended-range electric tractor, so that the power output shaft 30
It does not need to be connected on a stand-by motor either other stable power sources, without additionally installing auxiliary electricity
Machine either other steady power sources.
Further, traditional fuel oil type tractor can also be transformed into extended-range electric tractor, in this process
In, the power transmission shaft is installed on the internal combustion engine 421, rather than the power output shaft 30 is connected to other auxiliary
It helps on motor or other steady power sources, the installation space that traditional fuel oil type tractor is provided is reduced.
It in other words, can also be by the limited situation of installation space that traditional fuel oil type tractor is capable of providing
It is adapted as extended-range electric tractor.
Further, the power supply system 50 includes an at least battery pack, an input connector and an out connector,
Described in input connector be connected to an input terminal of the battery pack, the out connector is connected to the battery pack
Output end, wherein the generator 422 be connected to the input connector with by the electric power generated in the course of work transmit
To the battery pack, wherein the driver motor is connected to the out connector, to obtain electric power from the battery pack
To work.
The running gear 20, the power output shaft 30, the drive system 40, the power supply system 50 and described
Power output system 100 is controllably connected to the control system 60 respectively, so that the mixed-power tractor 1 can
Other device operations are either driven according to instruction walking.
Generally have three for the mixed-power tractor 1 with reference to attached drawing 2A, attached drawing 2B and attached drawing 2C emphatically
Kind operating mode, using power resources as distinguishing, the first operating mode is electric-only mode, and second of operating mode is to increase journey
Mode, operating mode is also possible to increase journey mode in third.
With reference to attached drawing 2A, in first operating mode, the only described main drive motor 41 works, for the walking
System 20 provides the energy.The 42 supply main drive motor 41 of distance increasing unit power generation.
With reference to attached drawing 2B, in second operating mode, the distance increasing unit 41 does not do power generation and uses, as the power
The power source of output shaft 30 uses.When the main drive motor 41 when not in use, the power supply system 50 is not powered either
Charging.When the main drive motor 41 work, the power supply system 50 is the main drive motor 41 power supply, but the increasing
Journey device 41 is not powered for the power supply system 50.
It is not only the main drive motor 41 in the third operating mode with reference to attached drawing 2C and is working, the internal combustion engine
421 are also at working condition, and 421 one side of the internal combustion engine in work can be energized to the power supply system 50, to increase
On the other hand energy reserves can drive the power output shaft 30 to work.The control system 60 controls the drive system
40 switch between first operating mode, second operating mode and the third operating mode.
The control system 60 includes a monitoring unit 61, a processing unit 62 and a control unit 63, wherein described
Monitoring unit 61 is arranged at the running gear 20, the power output shaft 30, the drive system 40, the power supply system
50 and the power output system 100, for obtaining the instantaneous operating conditions of the mixed-power tractor 1 in real time.It is described
Processing unit 62 is communicatively connected in a network in the monitoring unit 61, wherein the processing unit 62 is based on the monitoring unit 61
A processing result is obtained, described control unit 63 is controlled based on the processing result of the processing unit 62.
The monitoring unit 61 for monitor the drive system 40, the running gear 20, the power supply system 50 with
And one or more of described power output shaft 30.
The monitoring unit 61 collects the drive system 40, the running gear 20, the power supply system 50 and institute
The information of power output shaft 30 is stated, the processing unit 62 generates a processing knot based on the information that the monitoring unit 61 is collected into
Fruit, described control unit 63 are based on the processing result and are for the drive system 40, the running gear 20, the power supply
System 50 and the power output shaft 30 are controlled.
The power output shaft 30 is controllably connected to described control unit 63.In this example, the power is defeated
Shaft 30 by shift-variable is connected to the transfer case 423, and the power output shaft 30 is controllably connected to institute by shift
State control unit 63.
During the work time, the internal combustion engine 421 of the distance increasing unit 42 is controllably connected the distance increasing unit 42 by revolving speed
In described control unit 63, and the internal combustion engine 421 being capable of permanent revolving speed output.The power of the transmission output shaft is from institute
State internal combustion engine 421, when the internal combustion engine 421 is in permanent revolving speed output state, the transmission output shaft can also permanent revolving speed it is defeated
Out, and the power output shaft 30 by shift-variable is connected to the transfer case 423, so that the power output shaft 30 turns
Speed can be changed in the state of 421 invariablenes turning speed of internal combustion engine, need the power defeated in practical application to meet
The scene of the output different rotating speeds of shaft 30.
Further, the internal combustion engine 421 of the distance increasing unit 42 is controlled using revolving speed, and the generator 422, which uses, to be turned
Square control.That is, the internal combustion engine 421 is controllably connected to described control unit 63,422 quilt of generator by revolving speed
Torque is controllably connected to described control unit 63.After the internal combustion engine 421 reaches demand revolving speed point according to an input signal,
Described control unit 63 controls the power generation of the generator 422 according to the size for needing generated energy for the generator 422
The size of torque, to realize the control for 422 power of generator.
Since the distance increasing unit 42 needs higher benefit, the internal combustion engine 421 of the distance increasing unit 42 can be by
It is set as invariablenes turning speed, described control unit 63 can meet defeated by adjusting the power generation torque size of the generator 422
The adjusting of power out, with meet demand.Such as since the mixed-power tractor 1 needs the main drive to accelerate to advance
The underpower of dynamic motor 41, the mixed-power tractor 1 can be switched to from electric-only mode at this time increases journey mode, makes
It obtains the internal combustion engine 421 to start to work, be passed to be produced electricl energy by the generator 422 by the power supply system 50
The main drive motor 41, and then the power that the mixed-power tractor 1 externally exports can increase.
The distance increasing unit 42 further comprises one first output shaft 424 and one second output shaft 425, wherein described first is defeated
Between the internal combustion engine 421 and the transfer case 423, the internal combustion engine 421 and the transfer case 423 pass through shaft 424
First output shaft 424 carries out power transmission, wherein second output shaft 425 is located at the transfer case 423 and the hair
Between motor 422, the transfer case 423 and the generator 422 pass through second output shaft 425 progress power transmission.
Further, the power output shaft 30 has a power intake and a power output end, wherein the power
Input terminal is connected to the transfer case 423, and the power output end is connected to other equipment.The power output shaft 30
It by shift-variable is connected to the transfer case 423, the power output shaft 30 is exported in multiple gear revolving speeds.It is described
Power output shaft 30 is controllably connected to described control unit 63.
For example, the power output shaft 30 can meet the output of multi gear position revolving speed according to national standard, that is, export
Revolving speed needs to control in A, B, C point constant output torque.It is noted that the internal combustion engine of the distance increasing unit 42
421 can permanent revolving speed output, therefore in the case where 421 revolving speed of internal combustion engine is constant, described control unit 63 can be controlled
The shift of power output shaft 30 is to meet different speed demands.
More specifically, the monitoring unit 61 may include a running gear monitoring module 611, drive system monitoring
Module 612, a power supply system monitoring module 613 and a power output shaft monitoring module 614, wherein the drive system monitors
Module 612 can also include a main drive motor monitoring module 6121, an internal combustion engine monitoring module 6122 and generator prison
Control module 6123.
The main drive motor monitoring module 6121, the running gear monitoring module 611, the power supply system monitor mould
Block 613, the power output shaft monitoring module 614, the internal combustion engine monitoring module 6122 and the generator monitoring module
6123 are communicatively coupled with the processing unit 62 respectively.
The main drive motor monitoring module 6121 is used to monitor the main drive motor 41 of the drive system 40
State, such as instantaneous operating conditions.The main drive motor monitoring module 6121 can be arranged on the main drive motor
41 either near the main drive motor 41, such as the car body 10 near the main drive motor 41.
The running gear monitoring module 611 is used to monitor the state of the running gear 20 to obtain the running gear
20 status information, the status information of the running gear 20 may include the running gear 20 a power input information and
One power output information of the running gear 20.The status information of the running gear 20 includes the negative of the running gear 20
Information carrying breath, that is, the running gear 20 needs the information exported.
The power supply system monitoring module 613 is used to monitor the state of the power supply system 50 to obtain the power supply system
50 status information.The status information of the power supply system 50 may include the power supply system 50 an electric power input information and
One electric power output information.The status information of the power supply system 50 may include the load information of the power supply system 50, that is, institute
The information that power supply system 50 needs externally to export is stated, such as needs electricity to be offered when the work of the running gear 20.
The power output shaft monitoring module 614 is used to monitor the state of the power output shaft 30 to obtain the power
The status information of output shaft 30, the status information of the power output shaft 30 may include a power of the power output shaft 30
Input information and a power output information.The status information of the power output shaft 30 may include the power output shaft 30
Load information, that is, the information that the power output shaft 30 needs externally to export, such as needed when the work of the power output shaft 30
Kinetic energy to be offered.The load of the power output shaft 30 is decided by the equipment for being connected to the power output shaft 30, described dynamic
Power output shaft 30 can provide enough kinetic energy to target to drive external equipment to work.
The internal combustion engine monitoring module 6122 is used to monitor the state of the internal combustion engine 421 to obtain the internal combustion engine 421
Status information, the status information of the internal combustion engine 421 may include a fuel oil information of the internal combustion engine 421, a revolving speed letter
Breath and an output power information etc..The status information of the internal combustion engine 421 may include the load information of the internal combustion engine 421,
That is, the information that the internal combustion engine 421 needs externally to export, such as the internal combustion engine 421 is needed to the power output shaft 30
The kinetic energy of offer.The load of the internal combustion engine 421 depends mainly on the generator 422 and the power output shaft 30.Work as institute
When stating the load increase of power output shaft 30, the internal combustion engine 421 needs to increase the output provided to the power output shaft 30
So that the power output shaft 30 meets the needs of externally exporting.When the load of the generator 30 increases, the internal combustion engine
421 need to increase the output provided to the generator 30.
The generator monitoring module 6123 is used to monitor the working condition of the generator 422, the especially described power generation
The instantaneous operating conditions of machine 422, to obtain the status information of the generator 422.The status information of the generator 422 can be with
A rotary speed information, a moment information, an input power information and an output power information including the generator 422.It is described
The status information of generator 422 may include the load information of the generator 422, that is, the generator 422 needs externally defeated
Information out, such as the information exported to the power supply system 50 or the power output shaft 30.The generator 422
State can be adjusted according to the needs of the power output shaft 30 and the running gear 20.
More particularly, when the output that the running gear 20 needs increases, such as user slams throttle, described
The output of generator 422 can also increase to increase the output for the running gear 20, the output of the power supply system 50
It can also increase to increase the output for the running gear 20.It is of course also possible to be that the generator 422 is either described
One of power supply system 50 increases to the output of the running gear 20.
Further, the internal combustion engine 421 has a preferable working region, when the internal combustion engine 421 be in it is described compared with
When good working region, the working efficiency of the internal combustion engine 421 is higher, can convert machine for the interior of fuel oil with higher efficiency
Tool energy, to achieve the purpose that fuel-economizing.The generator 422 can cooperate the internal combustion engine 421 so that 421 energy of the internal combustion engine
It is enough maintained in the preferable working region and works.
When the load of the power output shaft 30 increases, the internal combustion engine 421 is defeated for the power output shaft 30
It is also required to increase out to meet the needs of power output shaft 30 externally exports, in order to which the internal combustion engine 421 is maintained at institute
It states in preferable working region, the internal combustion engine 421 can be reduced to the output of the generator 422, so that the internal combustion engine
421 still are able to meet the increased demand of load for the power output shaft 30 in the preferable working region.If
The output of the running gear 20 was constant at that time, then can be by lowering the generator 422 for the running gear 20
Output, and the mode for increasing output of the power supply system 50 for the running gear 20 meets the running gear 20
Output demand.
When the load of the power output shaft 30 is reduced, the internal combustion engine 421 is defeated for the power output shaft 30
It is also required to reduce out to meet the needs of externally exporting for the power output shaft 30, in order to keep the internal combustion engine 421
In the preferable working region, the internal combustion engine can be increased to the output of the engine 422, so that the internal combustion engine
421 still are able to meet the reduced demand of the load for the power output shaft 30 in the preferable working region.If
The output of the running gear 20 was constant at that time, then can be by increasing the generator 422 for the running gear 20
Output, and reduce it is described power supply wash 50 itself storage electric energy institute is met for the mode of the output of the running gear 20
State the output demand of running gear 20.
It further, can be by controlling the power supply system 50 when the demand of the running gear 20 exports variation
Meet the output demand of the running gear 20 with the working condition of the generator 422, at the same keep the internal combustion engine 421 in
The preferable working region.The preferable working region can be previously set, and the internal combustion engine can be maintained to be set in advance
The fixed preferable working region.It is understood that the mixed-power tractor 1 may include multiple detectors and/or
Sensor, the mixed-power tractor 1 may include an at least processor, and the detector either sensor can by difference
It is communicatively coupled to the processor.The processing unit 62, which can be, to be communicatively connected in a network in the processor, can also be with
Being that the processing unit 62 is integrated is either partially integrated in the processor.The monitoring unit 61 can be by communicably
It is connected to the detector and/or sensor.The monitoring unit 61 is also possible to integrated or is partially integrated in the inspection
Survey the device either sensor.
The main drive motor monitoring module 6121, the running gear monitoring module 611, institute of the monitoring unit 61
State power supply system monitoring module 613, the power output shaft monitoring module 614, the internal combustion engine monitoring module 6122 and institute
Stating generator monitoring module 6123 can be communicatively connected in a network respectively in the detector and/or the sensor, can also be with
Be the main drive motor monitoring module 6121, the running gear monitoring module 611, the power supply system monitoring module 613,
The power output shaft monitoring module 614, the internal combustion engine monitoring module 6122 and 6123 quilt of generator monitoring module
It is integrated to be either partially integrated in the detector and/or the sensor.The main drive motor of the monitoring unit 61
Monitoring module 6121, the running gear monitoring module 611, the power supply system monitoring module 613, power output shaft prison
Control module 614, the internal combustion engine monitoring module 6122 and the generator monitoring module 6123 can be integrated in pair respectively
One answered the detector either sensor, is also possible to the main drive motor monitoring module 6121, the walking
System-monitoring module 611, the power supply system monitoring module 613, the power output shaft monitoring module 614, the internal combustion engine
At least two in monitoring module 6122 and the generator monitoring module 6123 be integrated in the same detector and/or
The same sensor.
Those skilled in the art it should be understood that the set-up mode of the above-mentioned monitoring unit 61 by way of example only, not
The present invention is caused to limit.
The processing unit 62 is based on the main drive motor monitoring module 6121 of the monitoring unit 61, the walking
System-monitoring module 611, the power supply system monitoring module 613, the power output shaft monitoring module 614, the internal combustion engine
Monitoring module 6122 and the either detected information of the generator monitoring module 6123 monitoring generate a processing result,
Described control unit 63 controls the running gear 20, the power output based on the processing result of the processing unit 62
Axis 30, the power supply system 50 and the drive system 40.
For example, when the output that the monitoring unit 61 detects that the running gear 20 needs has been more than the power supply
After the loading range of system 50, and the monitoring unit 61 detects that the distance increasing unit 42 is not in a working condition,
The processing unit 62 generates a processing result based on the information that the monitoring unit 61 detects, described control unit 63 is based on
The processing result controls the distance increasing unit 42 and starts to work to meet the output demand of the running gear 20.For the row
For walking system 20, receives in the processing unit 62 and obtained from the 20 running gear monitoring module 611 of running gear
After the information taken, if 62 analysis of the processing unit finds that the output power of 20 demand of running gear is greater than current institute
The real-time output power of running gear 20 is stated, then the processing unit 62 will generate a processing result, described control unit 63
The main drive motor 41 is controlled based on the processing result so that the main drive motor 41 increases for the running gear
20 output.
For the generator 422, receive in the processing unit 62 from the generator monitoring module
After 6123 information obtained, if 62 analysis of the processing unit finds that the electricity of 422 current needs of generator is greater than in fact
When generated energy when, the processing unit 62 will generate a processing result, and described control unit 63 is based on the processing result tune
The power generation torque of the whole generator 422 is with meet demand, until the output power of 422 state of the generator reaches demand
Power after stop adjust.
For the internal combustion engine 421, receive in the processing unit 62 from the internal combustion engine monitoring module
After 6122 information obtained, if 62 analysis of the processing unit finds that externally output is lower than demand to the internal combustion engine 421 at present
When output, the processing unit 62 will generate a processing result, and described control unit 63 is based on described in processing result adjustment
The operating power of internal combustion engine 421 either revolving speed is to meet the needs of externally exporting.
For the power supply system 50, is received in the processing unit 62 and monitor mould from the power supply system
After the information that block 613 obtains, if 62 analysis of the processing unit finds the power supply system 50, externally output electricity is low at present
When demand output, the processing unit 62 will generate a processing result, and described control unit 63 is based on the processing result tune
The operating power of the whole power supply system 50 is to meet the needs of externally exporting.In other words, 62 analysis of processing unit is found
When the power supply system 50 externally exports electricity higher than demand output at present, the processing unit 62 will generate a processing result,
Described control unit 63 adjusts the operating power of the power supply system 50 based on the processing result to meet the need externally exported
It asks.
It is understood that the internal combustion engine monitoring module 6122 can be communicatively coupled with the generator respectively
The either power output shaft monitoring module 614 of monitoring module 6123, to be based on the generator monitoring module 6123 and institute
It states power output shaft monitoring module 614 and obtains the information for exporting demand about the internal combustion engine 421.
Described control unit 63 can be controlled such that the internal combustion engine 421 is right for the output of the internal combustion engine 421
Meet the generator 422 respectively in the distribution of the power of the generator 422 and the power output shaft 30 and the power is defeated
The demand of shaft 30.
Described control unit 63 can be exported based on the demand of the generator 422 and the demand of the power output shaft 30
The control for the internal combustion engine 421 is realized in output, and further, described control unit 63 is also based on the generator
422 demand output and the demand of the power output shaft 30 are exported respectively for the generator 422 and the power output
Axis 30 is adjusted so that the generator 422 and the power output shaft 30 distinguish meet demand, such as the control is single
Member 63 controls the torque of the generator 422, and the power output shaft 30 turns for the power output shaft 30
Speed is controlled.
It is noted that described control unit 63, which can also control the main drive motor 41 and the distance increasing unit 42, to be made
Obtaining the two can cooperate.In other words, described control unit 63 can also control the running gear 20 and described respectively
Power output shaft 30 makes the two reach dynamic equilibrium.
Specifically, when the mixed-power tractor 1 is in second of operating mode,.The processing unit
62 receive the information from the running gear monitoring module 611, the information of the power supply system monitoring module 613 and
The information of the internal combustion engine monitoring module 6122, analysis show that the current power supply system 50 is unable to satisfy the running gear 20
Output demand, and the internal combustion engine 421 is in stop working state, then the processing unit 62 will generate a processing knot
Fruit, is based on the processing result, and described control unit 63 controls the internal combustion engine 421 and starts work and according to certain output
Work is to meet the needs of running gear 20, and the mixed-power tractor 1 is cut from second of operating mode at this time
Shift to the third described operating mode.
Further, the generator monitoring module 6123 and the power output shaft monitoring module 614, the place are based on
Reason unit 62 obtains the demand torque of the generator 422 and the demand of the power output shaft 30 by the monitoring unit 61
Torque and one processing result of generation, described control unit 63 are based on the processing result and adjust the internal combustion engine 421 so that institute
It states generator 422 and the power output shaft 30 reaches corresponding demand torque.Based on 6123 He of generator monitoring module
The main drive motor monitors the data of 6121 pieces of mould acquisitions, and the processing unit 62 generates a processing result, and the control is single
The output power that member 63 controls the main drive motor 41 according to the processing result, so that the running gear 20 and described dynamic
Power output shaft 30 reaches dynamic equilibrium.
More specifically, based on the running gear monitoring module 611, the internal combustion engine monitoring module 6122 and described
The information that power output shaft monitoring module 614 obtains respectively, the processing unit 62 generate a processing result, described control unit
63 can be adjusted so that the running gear 20 based on power output of the processing result for the generator 422
Reach dynamic equilibrium with the power output shaft 30, while the working efficiency of the internal combustion engine 421 is controlled in certain range
It is interior.
For example, the load of the power output shaft 30 increases, described control unit 63 is based on the power output shaft
The output that 30 load increases the control internal combustion engine 421 increases to increase the output torque for the power output shaft 30,
The revolving speed of the power output shaft 30 is kept constant, for the generator 422, the output of the generator 422
It is inputted from the part of the internal combustion engine 421, while the generator 422 needs to export towards the running gear 20, institute
State shadow of the working condition of generator 422 by the internal combustion engine 421, the power output shaft 30 and the running gear 20
It rings.The processing unit 62 can be based on the monitoring unit 61 acquisition about the internal combustion engine 421, the power output shaft
The status information of running gear 20 described in 30 machines and demand information generate a processing result, and described control unit 63 is based on the place
The torque of the generator 422 is adjusted in reason result, and the generator 422 is on the one hand made to can satisfy the walking
The output demand of system 20, on the other hand make the internal combustion engine 421 output be no more than optimum working efficiency the upper limit or
It is lower limit, to reach the dynamic equilibrium of the running gear 20 and the power output shaft 30.It is noted that for passing
For the tractor of system, when the external loading of power output shaft 30 is bigger, running gear 20 can be from internal combustion engine 421
The power output of acquisition is with regard to smaller.And for the power output system 100 provided in this example, the power output
When the external loading of axis 30 is bigger, the output of the running gear 20 can not be lowered, and even be increased as desired.
Further, for the internal combustion engine 421, output is decided by that the generator 422 and the power are defeated
Shaft 30, the processing unit 62 based on the monitoring unit 61 obtain about the generator 422 and the power output
The demand torque of axis 30, the then working range in the generator 422 based on the internal combustion engine 421, the power output shaft
After 30 demand output and the demand output of the running gear 20 determine the output of its demand, the power of the generator 422
Output can be adjusted, and the internal combustion engine 421 can be in such a way that the output power of the generator 422 be adjusted to keep
The operating power of itself is in the peak power output stage and can satisfy the output demand of the power output shaft 30.
Specifically, the generator 422 can be adjusted the output torque request of the internal combustion engine 421, so that
The internal combustion engine 421 can satisfy the output demand for the power output shaft 30 while realizing peak power output.
For example, the internal combustion engine 421 is in the power output shaft in the load variation of the power output shaft 30
Power between 30 and the generator 422 can be redistributed to keep the internal combustion engine 421 to be in the preferable work
Meet the load of the power output shaft 30 under the premise of region.In output of the internal combustion engine 421 for the generator 422
In the case where change, the power supply system 50 and the generator 422 cooperate to meet the output demand of the running gear 20,
In this way, so that reaching the shape of a dynamic equilibrium between the running gear 20 and the power output shaft 30
State.
The mixed-power tractor 1 further comprises a power output system 100, wherein the power output system
100 include the power output shaft 30 and the distance increasing unit 42, wherein the power output shaft 30 is driveably connected to institute
State distance increasing unit 42.
The power output system 100 further comprises the main drive motor 41 and the power supply system 50, wherein institute
Main drive motor 41 is stated by for being electrically coupled to the power supply system 50, wherein the generator 422 of the distance increasing unit 42
It can power to the power supply system 50.
The power output system 100 further comprises an output control of engine power unit, wherein the output control of engine power
Unit includes a power output monitor, a power output processor and an output control of engine power device, wherein the power is defeated
Monitor is communicatively connected in a network in the power output processor out, the power output processor be communicatively connected in a network in
The output control of engine power device.
The power output monitor is for monitoring the power output shaft 30 and/or the distance increasing unit 42, the power
Output shaft monitor can be used for monitoring the main drive motor 41 and the power supply system 50.
One working method of the power output system 100 includes the following steps:
The output demand of the power output shaft 30 is obtained by the power output monitor；With
Generator 422 described in output demand control based on the power output shaft 30 and the internal combustion engine 421 are so that institute
It states internal combustion engine 421 and is maintained at a predetermined work region while meeting the output demand of the power output shaft 30.
According to another aspect of the present invention, the present invention provides the working method of the mixed-power tractor 1, wherein institute
Working method is stated to include the following steps:
Obtain the output demand of the power output shaft 30 of the mixed-power tractor 1；With
Demand based on the power output shaft 30, which is exported, is controlling the internal combustion in a manner of controlling the generator 422
Machine 421 keeps the internal combustion engine 421 to be in a default working region simultaneously.
According to some embodiments of the present invention, wherein in the above-mentioned methods, the working method further comprises walking as follows
It is rapid:
Obtain the output demand of a running gear 20；With
The output demand of the output demand and the running gear 20 based on the power output shaft 30 is to adjust
The mode of the whole generator 422 keeps the internal combustion engine 421 to be in the default work while controlling internal combustion engine 421
Make region.
According to another aspect of the present invention, the present invention provides the control method of a power output system 100, applications
In a mixed-power tractor 1 comprising following steps:
When by a main drive motor 41 of the power output system 100, the power output system is monitored
100, wherein the power of the internal combustion engine 421 is respectively allocated to a generator 422 and a power for the power output system 100
Output shaft 30, wherein the energy (electric energy) of the main drive motor 41 derives from the generator 422；With
In response to the loading detection of the power output shaft 30, the internal combustion engine 421 is in the peak power output stage, control
The power generation torque size of the generator 422 is made to reconcile the size of generated energy, and then reconciles the row of the main drive motor 41
Load is walked, to realize that the mixed-power tractor 1 realizes peak power output work, wherein the running gear 20 is by can
It is drivingly coupled to the main drive motor 41.
According to some embodiments of the present invention, in the above-mentioned methods, by adjusting the generator 422 for the internal combustion
The output torque of machine 421 requests to meet the output demand of the power output shaft 30.
According to some embodiments of the present invention, in the above-mentioned methods, in response to the load of the running gear 20, pass through tune
Save the internal combustion engine 421 for the output of the generator 422 and adjust a power supply system 50 output mode reconcile it is described
The load of running gear 20, wherein the power supply system 20 is by for being electrically coupled to the main drive motor 41.
According to some embodiments of the present invention, in the above-mentioned methods, by adjusting the generator 422 for the internal combustion
The output torque request of machine 421 meets output demand and the internal combustion engine 421 is kept to work in a default working region.
It should be understood by those skilled in the art that foregoing description and the embodiment of the present invention shown in the drawings are only used as illustrating
And it is not intended to limit the present invention.The purpose of the present invention has been fully and effectively achieved.Function and structural principle of the invention exists
It shows and illustrates in embodiment, under without departing from the principle, embodiments of the present invention can have any deformation or modification.
Claims (17)
1. a distance increasing unit is matched with a power output shaft of a mixed-power tractor characterized by comprising
One internal combustion engine；
One transfer case；With
One generator, wherein the generator is connected to the internal combustion engine by the transfer case, the power output shaft is suitable
In being connected to the internal combustion engine by the transfer case, the power that the internal combustion engine generates is divided into two by the transfer case
Ground is transmitted separately to the generator and the power output shaft.
2. distance increasing unit according to claim 1, wherein the power output shaft by shift-variable is connected to the transfer case.
3. distance increasing unit according to claim 2 further comprises one first output shaft, wherein the internal combustion engine and described point
Dynamic case is driven by first output shaft.
4. distance increasing unit according to claim 2 further comprises one second output shaft, wherein the internal combustion engine and described dynamic
Power transmission shafr is driven by second output shaft.
5. distance increasing unit according to any one of claims 1 to 4 further comprises an increasing range controller, wherein the internal combustion engine,
The transfer case and the generator are controllably connected to the increasing range controller respectively.
6. a power output system characterized by comprising
One power output shaft；With
Distance increasing unit according to any one of claims 1 to 5, wherein the power output shaft is connected to the transfer gear.
It further comprise a main drive motor and a power supply system 7. power output system according to claim 6, wherein
The generator is by for being electrically coupled to the power supply system, wherein the main drive motor is by described for being electrically coupled to
Generator.
8. a mixed-power tractor characterized by comprising
One car body；
One running gear, wherein the running gear is installed in the car body；
One power output shaft；
One power supply system；
One control system；And
One drive system, wherein the drive system is installed in the car body, wherein the drive system includes a main driving
Motor and distance increasing unit according to any one of claims 1 to 5, wherein the main drive motor is by described for being electrically coupled to
Power supply system, wherein the main drive motor is driveably connected to the generator, wherein the running gear, described dynamic
Power output shaft, the power supply system and the drive system are controllably connected to the control system respectively.
9. mixed-power tractor according to claim 8, wherein the control system includes a monitoring unit, a processing
Unit and a control unit, wherein the monitoring unit is communicatively connected in a network in the running gear, the power output
Axis, the power supply system and the drive system, the processing unit and the monitoring unit are in communication with each other connection, the place
Reason unit and described control unit are in communication with each other connection.
10. mixed-power tractor according to claim 9, wherein the mixed-power tractor has one first work
Mode, one second operating mode and a third operating mode, in first operating mode, the electrical power generators supply institute
Main drive motor use is stated, only the main drive motor drives the running gear, in second operating mode, the increasing journey
Power source of the device only as the power output shaft uses, in the third operating mode, electrical power generators and described
Distance increasing unit exports the line shaft, controls the distance increasing unit by described control unit so that the tractor is from described the
Switch between one operating mode, second operating mode and the third operating mode.
11. mixed-power tractor according to claim 10, wherein the internal combustion engine and the generator can by difference
It is connected to control described control unit, in the load variation of the power output shaft, described control unit controls the hair
Motor is so that the internal combustion engine is maintained at a default working region when meeting power output shaft output.
12. mixed-power tractor according to claim 10, wherein the internal combustion engine, the generator and the confession
Electric system is controllably connected to described control unit respectively, and in the output variation of the running gear, the control is single
Member controls the power supply system so that the generator and the power supply system are while meeting the output of the running gear
Keep the internal combustion engine in a default working region.
13. mixed-power tractor according to claim 10, wherein the internal combustion engine, the generator and the confession
Electric system is controllably connected to described control unit respectively, in the output changes in demand of the running gear and described dynamic
When the load variation of power output shaft, described control unit controls the generator and the power supply system to meet the walking
Keep the internal combustion engine in a default working region while system output and the power output axle load.
14. the control method of a power output system is applied to a mixed-power tractor, which is characterized in that including walking as follows
It is rapid:
When the main drive motor by a power output system provides power to a running gear, the power output is monitored
System, wherein the power of an internal combustion engine of the power output system is respectively allocated to a generator of the power output system
With a power output shaft, wherein the energy source of the main drive motor is in the generator；With
In response to the loading detection of the power output shaft, the internal combustion engine is in the peak power output stage, controls the hair
The power generation torque size of motor is to adjust the size of the generated energy of the generator, wherein the running gear is driveably connected
It is connected to the main drive motor.
15. control method according to claim 14, wherein in the above-mentioned methods, by adjusting the generator for institute
The output torque request of internal combustion engine is stated to meet the output demand of the power output shaft.
16. control method according to claim 14 or 15, wherein in the above-mentioned methods, in response to the running gear
Load adjusts institute for the output of the generator and by way of adjusting power supply system output the adjusting internal combustion engine
The load of running gear is stated, wherein the power supply system is by for being electrically coupled to the main drive motor.
17. control method according to claim 16, wherein in the above-mentioned methods, by adjusting the generator for institute
The output torque request for stating internal combustion engine meets output demand and the internal combustion engine is kept to work in a default working region.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910154679.2A CN109823159A (en) | 2019-03-01 | 2019-03-01 | Distance increasing unit and mixed-power tractor and its application |
| PCT/CN2019/107539 WO2020177303A1 (en) | 2019-03-01 | 2019-09-24 | Range extender, hybrid power tractor and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910154679.2A CN109823159A (en) | 2019-03-01 | 2019-03-01 | Distance increasing unit and mixed-power tractor and its application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109823159A true CN109823159A (en) | 2019-05-31 |
Family
ID=66865086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910154679.2A Pending CN109823159A (en) | 2019-03-01 | 2019-03-01 | Distance increasing unit and mixed-power tractor and its application |
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Address after: 441100 No. 1 Dongfengjingguan Avenue, Xiangzhou International Logistics Park, Xiangyang City, Hubei Province Applicant after: FENGJIANG INTELLIGENT TECHNOLOGY Co.,Ltd. Address before: 441100 No. 1 Dongfengjingguan Avenue, Xiangzhou International Logistics Park, Xiangyang City, Hubei Province Applicant before: FENGJIANG WISDOM AGRICULTURE Co.,Ltd. |
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Application publication date: 20190531 |