CN116353507A - Power distribution control device of tractor and agricultural machinery - Google Patents
Power distribution control device of tractor and agricultural machinery Download PDFInfo
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- CN116353507A CN116353507A CN202310227348.3A CN202310227348A CN116353507A CN 116353507 A CN116353507 A CN 116353507A CN 202310227348 A CN202310227348 A CN 202310227348A CN 116353507 A CN116353507 A CN 116353507A
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- battery module
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- tractor
- power distribution
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- 238000009826 distribution Methods 0.000 title claims abstract description 27
- 238000003860 storage Methods 0.000 claims description 31
- 238000004378 air conditioning Methods 0.000 claims description 5
- 230000001012 protector Effects 0.000 claims description 3
- 230000006870 function Effects 0.000 description 11
- 230000010354 integration Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- HEZMWWAKWCSUCB-PHDIDXHHSA-N (3R,4R)-3,4-dihydroxycyclohexa-1,5-diene-1-carboxylic acid Chemical compound O[C@@H]1C=CC(C(O)=O)=C[C@H]1O HEZMWWAKWCSUCB-PHDIDXHHSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005315 distribution function Methods 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
-
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a power distribution control device of a tractor and an agricultural machine, and relates to the field of electric tractors. The device comprises: a plurality of electronic modules are connected in parallel between the total positive and the total negative of the battery modules, and the on-off of the corresponding electronic modules is controlled by a controller corresponding to any electronic module. The scheme control system integrates the distribution, control and management of the power supply, has small volume, saves space, is low in cost and high in efficiency, and has high popularization and application values.
Description
Technical Field
The invention relates to the field of electric tractors, in particular to a power distribution control device of a tractor and an agricultural machine.
Background
The tractor is a main power machine in agricultural production, and the traditional tractor has complex gear and high energy consumption rate and causes environmental damage. The electric tractor is a future development trend, and has low noise and no pollution. However, the distribution and control management of the power supply are important components in the pure electric tractor, the control objects of the power supply comprise a tractor driving motor controller, an electric air conditioner, a thermal management system, a charger, a PTO motor controller and the like, and meanwhile, part of high-voltage parts are distributed relatively and scattered, so that the power supply has large volume, multiple interfaces and difficult overall design and arrangement, and the use performance and safety performance indexes of the electric tractor are determined to a great extent.
At present, most of the tractors mainly use traditional fuel power, and no perfect integrated control system is applied in the research of few electric tractors, and the control logic difference is relatively large due to different integration schemes in part of electric tractors.
The electric tractor in the current research has low structural application integration level, which leads to complex circuits, high failure rate and poor safety.
Disclosure of Invention
The invention aims to solve the technical problem of providing a power distribution control device of a tractor and an agricultural machine aiming at the defects of the prior art.
The technical scheme for solving the technical problems is as follows:
a power distribution control device for a tractor, comprising: a plurality of electronic modules are connected in parallel between the total positive and the total negative of the battery modules, and the on-off of the corresponding electronic modules is controlled by a controller corresponding to any electronic module.
Further, the plurality of electronic modules include auxiliary batteries therein;
the battery module is always positive, the high-voltage control contactor corresponding to the auxiliary storage battery, the high-voltage safety corresponding to the auxiliary storage battery, the first direct-current buck converter module corresponding to the auxiliary storage battery, the auxiliary storage battery and the battery module are always negative and connected in sequence.
Further, the plurality of electronic modules include a second dc buck converter module;
the battery module is always positive, the high-voltage control contactor corresponding to the auxiliary storage battery, the high-voltage protector corresponding to the second direct-current buck converter module, and the second direct-current buck converter module and the battery module are always negative and connected in sequence.
Further, the plurality of electronic modules include an ac power source;
the battery module is always positive, the high-voltage control contactor corresponding to the alternating current power supply, the high-voltage safety corresponding to the alternating current power supply, the OBC module, the alternating current power supply and the battery module are always negative and connected in sequence.
Further, the plurality of electronic modules include PTC modules therein;
the battery module is always positive, the high-voltage control contactor corresponding to the PTC module, the high-voltage safety corresponding to the PTC module, and the PTC module and the battery module are always negative and connected in sequence.
Further, a plurality of electronic modules include therein a thermal management compressor;
the battery module is always positive, the high-voltage control contactor corresponding to the heat management compressor, the high-voltage insurance of the heat management compressor, and the heat management compressor and the battery module are always negative and connected in sequence.
Further, the plurality of electronic modules include an air conditioner compressor;
the battery module is always positive, the high-voltage insurance corresponding to the air conditioner compressor, and the air conditioner compressor and the battery module are always negative and connected in sequence.
Further, the plurality of electronic modules include a motor controller therein;
the battery module total positive, the high-voltage insurance corresponding to the motor controller and the battery module total negative are sequentially connected.
Further, a corresponding high-voltage control contactor is connected in series between the total positive battery module and the total negative battery module;
or, a corresponding high-voltage control contactor and a corresponding pre-charging resistor are connected in series between the total positive battery module and the total negative battery module.
The beneficial effects of the invention are as follows: the control system integrates the electric tractor charger, the DCDC converter, the relay, the fuse and the like for controlling the high-voltage parts, is high in integration level, more in controlled parts, optimizes the power distribution function in electrical principle, realizes the charging function of the power battery and the low-voltage storage battery, and the high-voltage power distribution control and the low-voltage electric appliance load power supply function, is small in size, saves space, is low in cost, is high in efficiency, and has high popularization and application values.
The other technical scheme for solving the technical problems is as follows:
an agricultural machine comprises the power distribution control device of the tractor.
Additional aspects of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of a power distribution control device of a tractor according to an embodiment of the present invention;
fig. 2 is a schematic circuit diagram of an integrated management system for power supply of a dual-electric-control electric tractor according to other embodiments of the present invention.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the illustrated embodiments are provided for illustration only and are not intended to limit the scope of the present invention.
As shown in fig. 1, a power distribution control device for a tractor according to an embodiment of the present invention includes: a plurality of electronic modules 103 are connected in parallel between the battery module total positive 101 and the battery module total negative 102, and the on-off of the corresponding electronic modules is controlled by a controller corresponding to any electronic module 103. In one embodiment, the plurality of electronic modules 103 may include: the device comprises an auxiliary storage battery, a direct-current buck converter module, an alternating-current power supply, a PTC module, a heat management compressor, an air conditioner compressor, a motor controller and a high-voltage control contactor.
It should be noted that, in one implementation, as shown in fig. 2, F1-F8 are high voltage fuses; K1-K6 are high voltage control contactors; VCU is the whole machine controller; the PDU is a high-voltage power supply control module; the DC-DC is a direct current buck converter module; OBC is a vehicle-mounted charger module of the electric tractor; PTC is an electric heating device of the whole machine; the integrated management system of the double electric control electric tractor power comprises a high voltage distribution system (PDU), an electric tractor charger (OBC) and a power direct current buck converter (DC-DC), wherein the PDU realizes the high voltage power distribution and control functions through an integrated contactor and various insurance; the OBC function is to convert 220V alternating current into direct current to charge the vehicle-mounted energy storage device; the DC-DC function is to convert high-voltage direct current into low-voltage direct current to charge an auxiliary storage battery and provide a low-voltage power supply for the whole machine. The high-voltage power supply control system is characterized in that the high-voltage power supply control module is respectively connected with an internal DC-DC and an OBC, and an external DC voltage reduction module 2, an electric heating system PTC, a thermal management system, an air conditioning system and two motor controllers, and all the modules are controlled by a complete machine controller VCU through a complete machine low-voltage interface. The battery module total positive, namely the battery total positive, the high-voltage control contactor K3 corresponding to the auxiliary storage battery, the high-voltage insurance F4 corresponding to the auxiliary storage battery, the first direct current buck converter module DC-DC corresponding to the auxiliary storage battery, and the auxiliary storage battery and the battery module total negative (namely the battery total negative) are sequentially connected.
The battery module total positive, the high-voltage control contactor K3 corresponding to the auxiliary storage battery, the high-voltage insurance F3 corresponding to the second direct-current buck converter module, and the second direct-current buck converter module and the battery module DC-DC2 total negative are sequentially connected;
the battery module total positive, the high-voltage control contactor K4 corresponding to the alternating current power supply, the high-voltage insurance F5 corresponding to the alternating current power supply, the OBC module, the alternating current power supply and the battery module total negative are sequentially connected;
the battery module total positive, the high-voltage control contactor K5 corresponding to the PTC module, the high-voltage insurance F6 corresponding to the PTC module, and the PTC module and the battery module total negative are sequentially connected;
the battery module total positive, the high-voltage control contactor K6 corresponding to the thermal management compressor, the high-voltage insurance F7 of the thermal management compressor, the thermal management compressor and the battery module total negative are sequentially connected;
the battery module total positive, the high-voltage insurance F8 corresponding to the air conditioner compressor, the air conditioner compressor and the battery module total negative are sequentially connected;
the battery module total positive, the high-voltage insurance F2 corresponding to the motor controller and the battery module total negative are sequentially connected; the motor controllers can be multiple groups, and the corresponding connection structures are the same.
A corresponding high-voltage control contactor K2 is connected in series between the total positive battery module and the total negative battery module;
or, a corresponding high-voltage control contactor K1 and a corresponding pre-charging resistor R1 are connected in series between the total positive battery module and the total negative battery module.
The internal direct current buck converter is connected with the auxiliary storage battery through an interface, the functions of supplying power to the outside at low voltage and charging the storage battery are achieved, and the internal charger module is connected with alternating current through the interface, so that the function of charging the whole energy storage device from alternating current to direct current is achieved.
The high-voltage integrated power supply control system has the functions of power battery charging, low-voltage storage battery charging, low-voltage load power supply, air conditioner compressor and heating PTC, and heat management compressor power distribution. The functional integration level is high;
the high-voltage system is managed in a centralized way, so that more high-voltage wires are prevented from being exposed, and the safety and the protection level are improved;
the control units can share the internal cooling system of the shell, so that the connection of external cooling pipelines is reduced, the heat dissipation efficiency is improved, and the cost is reduced;
optionally, in some embodiments, the electronic module 103 comprises an auxiliary battery;
the battery module total positive 101, the high-voltage control contactor corresponding to the auxiliary storage battery, the high-voltage safety corresponding to the auxiliary storage battery, the first direct-current buck converter module corresponding to the auxiliary storage battery, the auxiliary storage battery and the battery module total negative 102 are sequentially connected.
Optionally, in some embodiments, the electronic module 103 comprises a second dc buck converter module;
the battery module total positive 101, the high-voltage control contactor corresponding to the auxiliary storage battery, the high-voltage protector corresponding to the second direct-current buck converter module, the second direct-current buck converter module and the battery module total negative 102 are sequentially connected.
Optionally, in some embodiments, the electronic module 103 comprises an ac power source;
the battery module total positive 101, the high-voltage control contactor corresponding to the alternating current power supply, the high-voltage safety corresponding to the alternating current power supply, the OBC module, the alternating current power supply and the battery module total negative 102 are sequentially connected.
Optionally, in some embodiments, the electronic module 103 comprises a PTC module;
the battery module total positive 101, the high-voltage control contactor corresponding to the PTC module, the high-voltage safety corresponding to the PTC module, and the PTC module and the battery module total negative 102 are sequentially connected.
Optionally, in some embodiments, the electronic module 103 comprises a thermal management compressor;
the battery module total positive 101, the high-voltage control contactor corresponding to the thermal management compressor, the high-voltage insurance of the thermal management compressor, the thermal management compressor and the battery module total negative 102 are sequentially connected.
Optionally, in some embodiments, the electronic module 103 comprises an air conditioning compressor;
the battery module total positive 101, the high-voltage insurance corresponding to the air-conditioning compressor, the air-conditioning compressor and the battery module total negative 102 are sequentially connected.
Optionally, in some embodiments, the electronic module 103 comprises a motor controller;
the battery module total positive 101, the high-voltage insurance corresponding to the motor controller and the battery module total negative 102 are sequentially connected.
Optionally, in some embodiments, a corresponding high voltage control contactor is connected in series between the battery module total positive 101 and the battery module total negative 102;
or, a corresponding high-voltage control contactor and a corresponding pre-charging resistor are connected in series between the battery module total positive 101 and the battery module total negative 102.
The control system integrates the electric tractor charger, the DCDC converter, the relay, the fuse and the like for controlling the high-voltage parts, is high in integration level, more in controlled parts, optimizes the power distribution function in electrical principle, realizes the charging function of the power battery and the low-voltage storage battery, and the high-voltage power distribution control and the low-voltage electric appliance load power supply function, is small in size, saves space, is low in cost, is high in efficiency, and has high popularization and application values.
In one embodiment, an agricultural machine includes a power distribution control apparatus for a tractor as described in the above embodiment.
The reader will appreciate that in the description of this specification, a description of terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
In the several embodiments provided in this application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the method embodiments described above are merely illustrative, e.g., the division of steps is merely a logical function division, and there may be additional divisions of actual implementation, e.g., multiple steps may be combined or integrated into another step, or some features may be omitted or not performed.
The above-described method, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on such understanding, the technical solution of the present invention is essentially or a part contributing to the prior art, or all or part of the technical solution may be embodied in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the methods of the embodiments of the present invention. And the aforementioned storage medium includes: a usb disk, a removable hard disk, a Read-only memory (ROM), a random access memory (RAM, randomAccessMemory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The present invention is not limited to the above embodiments, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the present invention, and these modifications and substitutions are intended to be included in the scope of the present invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (10)
1. A power distribution control device for a tractor, comprising:
a plurality of electronic modules are connected in parallel between the total positive and the total negative of the battery modules, and the on-off of the corresponding electronic modules is controlled by a controller corresponding to any electronic module.
2. The power distribution control apparatus for a tractor as claimed in claim 1, wherein the plurality of electronic modules include auxiliary storage batteries;
the battery module is always positive, the high-voltage control contactor corresponding to the auxiliary storage battery, the high-voltage safety corresponding to the auxiliary storage battery, the first direct-current buck converter module corresponding to the auxiliary storage battery, the auxiliary storage battery and the battery module are always negative and connected in sequence.
3. The power distribution control apparatus of a tractor according to claim 1 or 2, wherein the plurality of electronic modules includes a second dc down-converter module;
the battery module is always positive, the high-voltage control contactor corresponding to the auxiliary storage battery, the high-voltage protector corresponding to the second direct-current buck converter module, and the second direct-current buck converter module and the battery module are always negative and connected in sequence.
4. A power distribution control apparatus for a tractor as claimed in claim 3, wherein the plurality of electronic modules include an ac power source;
the battery module is always positive, the high-voltage control contactor corresponding to the alternating current power supply, the high-voltage safety corresponding to the alternating current power supply, the OBC module, the alternating current power supply and the battery module are always negative and connected in sequence.
5. The power distribution control apparatus for a tractor as claimed in claim 4, wherein the plurality of electronic modules include PTC modules;
the battery module is always positive, the high-voltage control contactor corresponding to the PTC module, the high-voltage safety corresponding to the PTC module, and the PTC module and the battery module are always negative and connected in sequence.
6. The power distribution control apparatus for a tractor as defined by claim 5 wherein the plurality of electronic modules include a thermally managed compressor;
the battery module is always positive, the high-voltage control contactor corresponding to the heat management compressor, the high-voltage insurance of the heat management compressor, and the heat management compressor and the battery module are always negative and connected in sequence.
7. The power distribution control apparatus for a tractor as defined by claim 6 wherein the plurality of electronic modules include an air conditioning compressor;
the battery module is always positive, the high-voltage insurance corresponding to the air conditioner compressor, and the air conditioner compressor and the battery module are always negative and connected in sequence.
8. The power distribution control apparatus for a tractor as defined by claim 7 wherein the plurality of electronic modules include a motor controller;
the battery module total positive, the high-voltage insurance corresponding to the motor controller and the battery module total negative are sequentially connected.
9. The power distribution control device of a tractor according to claim 8, wherein a corresponding high-voltage control contactor is connected in series between the total positive battery module and the total negative battery module;
or, a corresponding high-voltage control contactor and a corresponding pre-charging resistor are connected in series between the total positive battery module and the total negative battery module.
10. An agricultural machine comprising a power distribution control apparatus of a tractor as claimed in claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310227348.3A CN116353507A (en) | 2023-03-06 | 2023-03-06 | Power distribution control device of tractor and agricultural machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310227348.3A CN116353507A (en) | 2023-03-06 | 2023-03-06 | Power distribution control device of tractor and agricultural machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116353507A true CN116353507A (en) | 2023-06-30 |
Family
ID=86918044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310227348.3A Pending CN116353507A (en) | 2023-03-06 | 2023-03-06 | Power distribution control device of tractor and agricultural machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116353507A (en) |
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2023
- 2023-03-06 CN CN202310227348.3A patent/CN116353507A/en active Pending
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