CN113173081A - Trackless rubber-tyred vehicle for extended-range mine - Google Patents
Trackless rubber-tyred vehicle for extended-range mine Download PDFInfo
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- CN113173081A CN113173081A CN202110646329.5A CN202110646329A CN113173081A CN 113173081 A CN113173081 A CN 113173081A CN 202110646329 A CN202110646329 A CN 202110646329A CN 113173081 A CN113173081 A CN 113173081A
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- 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
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
- B60L50/61—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles
- B60L50/62—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles charged by low-power generators primarily intended to support the batteries, e.g. range extenders
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- 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
- B60L2200/00—Type of vehicles
- B60L2200/40—Working vehicles
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- 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
- B60L2210/00—Converter types
- B60L2210/30—AC to DC converters
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- 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
- B60L2210/00—Converter types
- B60L2210/40—DC to AC converters
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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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- 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
- Y02T10/72—Electric energy management in electromobility
Abstract
The invention relates to an extended-range type electric explosion-proof trackless rubber-tyred vehicle. This increase electronic explosion-proof trackless rubber-tyred car of form includes: the system comprises a range extender, an AC-DC inverter, a high-voltage distribution box, a DC-AC inverter, a driving motor system and a power battery system; the range extender is electrically connected with the AC-DC inverter; the AC-DC inverter is electrically connected with the high-voltage distribution box; the high-voltage distribution box is electrically connected with the power battery system and the DC-AC inverter respectively; the DC-AC inverter is electrically connected with the driving motor system. The range-extended electric anti-explosion trackless rubber-tyred vehicle is characterized in that a range extender is arranged on the basis of a pure electric anti-explosion trackless rubber-tyred vehicle, so that the electric quantity of a battery can be limited, the battery is in a shallow charging and shallow discharging state, the driving range of the whole vehicle is increased, the scheduling difficulty is reduced, the battery loss can be reduced as much as possible, the consistency and the safety performance of the battery are maintained, and further, the great potential safety hazard brought to the safety production of a coal mine by the battery problem is avoided.
Description
Technical Field
The invention relates to the technical field of mining vehicles, in particular to a trackless rubber-tyred vehicle for extended-range mines.
Background
With the increasingly decreasing global petroleum resources and the increasing environmental problems, the development of new energy automobiles is a necessary trend to achieve harmony between energy safety and the environment. The new energy automobile mainly comprises a pure electric automobile (HEV), a plug-in hybrid electric automobile (PHEV), a range-extended electric automobile (REEV) and a fuel cell automobile (FCEV).
The range-extended electric automobile is a pure electric drive automobile with ground charging and vehicle-mounted power supply functions. Compared with a pure electric vehicle, the range-extended electric vehicle has smaller battery capacity, energy can come from the battery and the range extender system, and the battery can be charged by the power grid or the range extender system. The body of the REEV is only in mechanical connection with a driving motor, the driving motor is powered by a power battery and a range extender, and a control strategy determines energy distribution among the driving motor, the power battery and the range extender. The extended range electric automobile has the advantages of both a pure electric automobile and a plug-in hybrid electric automobile, integrates the advantages of energy conservation of the pure electric automobile and long endurance of the hybrid electric automobile, and is a vehicle type with high acceptance of people according to prospective application analysis.
In the coal mine industry, the mining explosion-proof trackless rubber-tyred vehicle is used as auxiliary transportation equipment for coal mines, and has the advantages of large transportation capacity, convenience in operation, high speed, safety, high efficiency, no limitation of tracks and the like. But traditional explosion-proof trackless rubber-tyred car has short slab such as "high pollution, low oil consumption, high noise, low life" equally, and the electric motor car relies on advantages such as "zero release, low energy consumption, low noise, high life", can effectively solve the short slab of traditional explosion-proof trackless rubber-tyred car.
In the current stage, the pure electric explosion-proof trackless rubber-tyred vehicle is applied to the coal mine industry in a large scale, and the underground pure electric explosion-proof trackless rubber-tyred vehicle for the coal mine has the advantages of no pollution discharge, simple structure, convenience in maintenance and use, no need of a noise eliminator, low maintenance cost and the like. But it has a great disadvantage: due to the limitation of explosion-proof requirements, the whole vehicle has large mass, so that the battery box of the pure electric explosion-proof trackless rubber-tyred vehicle is not too large, and the endurance mileage of the whole vehicle is insufficient.
Under the background, a pure electric trackless rubber-tyred vehicle with a composite power supply system is provided, wherein the composite power supply system mainly comprises a super capacitor, an explosion-proof lithium battery, an energy management module and a charging system. The system has the advantages of strong dynamic property, good stability, cleanness, environmental protection and the like, can improve the dynamic property and the endurance mileage of the whole vehicle to a certain extent, and reduces the charging time. However, the composite power supply system has high cost and does not meet the requirements of the explosion-proof trackless rubber-tyred vehicle in certain performance advantages.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a trackless rubber-tyred vehicle for extended-range mine.
In order to achieve the purpose, the invention provides the following scheme:
the utility model provides an increase electronic explosion-proof trackless rubber-tyred car of form, includes: the system comprises a range extender, an AC-DC inverter, a high-voltage distribution box, a DC-AC inverter, a driving motor system and a power battery system;
the range extender is electrically connected with the AC-DC inverter; the AC-DC inverter is electrically connected with the high-voltage distribution box; the high-voltage distribution box is electrically connected with the power battery system and the DC-AC inverter respectively; the DC-AC inverter is electrically connected with the driving motor system.
Preferably, the vehicle control system further comprises a vehicle control unit; the range extender includes: the system comprises an engine, an engine control unit, a generator control unit and a range extending controller;
the engine is electrically connected with the engine control unit; the generator is electrically connected with the generator control unit; the engine control unit and the generator control unit are both electrically connected with the range extending controller; the range extending controller is electrically connected with the power battery system and the vehicle control unit respectively; the generator is electrically connected to the AC-DC inverter.
Preferably, the driving motor system includes: a drive motor and a drive motor controller;
the driving motor is electrically connected with the DC-AC inverter and the driving motor controller respectively; the driving motor controller is electrically connected with the vehicle control unit.
Preferably, the power battery system comprises: a power battery pack and a battery management system;
the power battery pack is electrically connected with the high-voltage distribution box and the battery management system respectively; the battery management system is respectively electrically connected with the range-extending controller and the vehicle control unit.
Preferably, the method further comprises the following steps: the electric steering system comprises an electric vacuum pump, an electric steering system, a power supply and a whole vehicle instrument panel;
the electric vacuum pump, the electric steering system, the power battery system and the whole vehicle instrument panel are electrically connected with the power supply.
Preferably, the power supply is a 12V power supply.
Preferably, the method further comprises the following steps: a brake pedal, an accelerator pedal, a gear and a key switch;
the brake pedal, the accelerator pedal, the gear and the key switch are all electrically connected with the vehicle control unit.
Preferably, the system further comprises a main speed reducer;
the main speed reducer is mechanically connected with the driving motor.
Preferably, the device also comprises a brake and a wheel;
the brake is mechanically connected with the wheel and the main speed reducer respectively.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
the range-extended electric anti-explosion trackless rubber-tyred vehicle is characterized in that a range extender is arranged on the basis of a pure electric anti-explosion trackless rubber-tyred vehicle, so that the electric quantity of a battery can be limited, the battery is in a shallow charging and shallow discharging state, the driving range of the whole vehicle is increased, the scheduling difficulty is reduced, the battery loss can be reduced as much as possible, the consistency and the safety performance of the battery are maintained, and further, the great potential safety hazard brought to the safety production of a coal mine by the battery problem is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic view of the overall structure of the extended-range electric explosion-proof trackless rubber-tyred vehicle provided by the present invention;
FIG. 2 is a power system diagram of the extended range type electric explosion-proof trackless rubber-tyred vehicle provided by the invention;
fig. 3 is a schematic structural diagram of the range extender provided by the present invention.
Description of the symbols:
the system comprises a brake pedal 1, an accelerator pedal 2, a gear signal 3, a key switch 4, a radiator 5, a DC-AC inverter 6, a high-voltage distribution box 7, a power battery pack 8, a Battery Management System (BMS)9, an AC-DC inverter 10, a range extender 11, a generator 11-1, a generator control unit 11-2 (GCU), an engine 11-3, an engine control unit 11-4 (ECU), a range extender 11-5, an oil tank 11-6, wheels 12, a power supply 13, a compressor 14, an electric steering system 15, an electric vacuum pump 16, a vehicle instrument 17, other electric accessories 18, a main speed reducer 19, a driving motor 20, a driving motor controller 21 (MCU), a vehicle controller 22 (VCU) 23 and a brake.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide an extended-range electric explosion-proof trackless rubber-tyred vehicle, which can limit the electric quantity of a battery, enable the battery to be in a shallow charging and shallow discharging state, improve the driving range of the whole vehicle, reduce the scheduling difficulty, reduce the battery loss as much as possible, maintain the consistency and the safety performance of the battery and further avoid the problem of the battery to bring great potential safety hazards to the safety production of a coal mine.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The invention provides an extended-range type electric explosion-proof trackless rubber-tyred vehicle, which comprises: the system comprises a range extender 11, an AC-DC inverter 10, a high-voltage distribution box 7, a DC-AC inverter 6, a driving motor system and a power battery system.
The range extender 11 is electrically connected to the AC-DC inverter 10. The AC-DC inverter 10 is electrically connected to the high-voltage distribution box 7. The high-voltage distribution box 7 is electrically connected with the power battery system and the DC-AC inverter 6 respectively. The DC-AC inverter 6 is electrically connected to the drive motor system.
In order to facilitate the Control of the whole Vehicle, the extended-range electric explosion-proof trackless rubber-tyred Vehicle further comprises a Vehicle Control Unit 22 (namely, a VCU). As shown in fig. 3, the range extender 11 includes: the system comprises an engine 11-3, an engine Control Unit 11-4 (ECU), a Generator 11-1, a Generator Control Unit 11-2 (GCU) and a range extending controller 11-5.
Based on this, the connection relationship between the respective components is as shown in fig. 1 to 3, and the engine 11-3 is electrically connected to the engine control unit 11-4. The generator 11-1 and the generator control unit 11-2 are electrically connected. The engine control unit 11-4 and the generator control unit 11-2 are both electrically connected with the range-extending controller 11-5. The range-extending controller 11-5 is respectively electrically connected with the power battery system and the vehicle control unit 22. The generator 11-1 is electrically connected to the AC-DC inverter 10.
Further, as shown in fig. 1 and 2, the present invention provides the above-described drive motor system including: a drive motor 20 and a drive motor controller 21.
The drive motor 20 is electrically connected to the DC-AC inverter 6 and the drive motor controller 21, respectively. The drive motor controller 21 is electrically connected to the vehicle control unit 22.
As shown in fig. 1 and 2, the power battery system provided by the present invention includes: a power battery pack 8 and a battery management system 9.
The power battery pack 8 is electrically connected with the high-voltage distribution box 7 and the battery management system 9 respectively. The battery management system 9 is electrically connected with the range-extending controller 11-5 and the vehicle control unit 22 respectively.
As shown in fig. 1 and 2, the extended-range electric explosion-proof trackless rubber-tyred vehicle provided by the invention further comprises: the electric power steering system comprises an electric vacuum pump 16, an electric power steering system 15, a power supply 13, a whole vehicle instrument panel 17, a brake pedal 1, an accelerator pedal 2, a gear, a key switch 4, a main speed reducer 19, a brake 23 and wheels 12.
The electric vacuum pump 16, the electric steering system 15, the power battery system and the whole vehicle instrument panel 17 are all electrically connected with the power supply 13. The power supply 13 employed in the present invention is a 12V power supply 13.
The brake pedal 1, the accelerator pedal 2, the gear 3 and the key switch 44 are all electrically connected with the vehicle control unit 22.
The final drive 19 is mechanically connected to a drive motor 20. The brakes 23 are mechanically connected to the wheels 12 and the final drive 19, respectively.
In addition, the electrical connections referred to above in the present invention include both electrical connections and signal connections.
The following provides a specific connection embodiment to explain the specific structure of the extended-range electric explosion-proof trackless rubber-tyred vehicle provided by the invention.
As shown in fig. 1 and 2, the extended-range type electric explosion-proof trackless rubber-tyred vehicle comprises: the system comprises a brake pedal 1, an accelerator pedal 2, a gear signal 3, a key switch 4, a radiator 5, a DCAC inverter 6, a high-voltage distribution box 7, a power battery pack 8, a Battery Management System (BMS)9, an ACDC inverter 10, wheels 12, a power supply 13, a compressor 14, an electric steering system 15, an electric vacuum pump 16, a vehicle instrument 17, other electric accessories 18, a main speed reducer 19, a driving motor 20, a driving Motor Controller (MCU)21, a Vehicle Controller (VCU)22, a brake 23, a range extender 11 and the like. Wherein, increase journey ware 11 again includes: the system comprises a generator 11-1, a Generator Control Unit (GCU)11-2, an engine 11-3, an Engine Control Unit (ECU)11-4, a range extending controller 11-5 and an oil tank 11-6.
The range extender 11 is electrically connected to the driving motor system and the power battery system through the AC-DC inverter 10, the high-voltage distribution box 7 and the DC-AC inverter 6. The generator 11-1 inside the range extender 11 is mechanically connected with the engine 11-3, the oil tank 11-6 is connected with the engine 11-3 through an oil pipe, and the range extender 11-5 is in signal connection with the Generator Control Unit (GCU)11-2 and the Engine Control Unit (ECU) 11-4. The Vehicle Control Unit (VCU)22 collects information data of the range-extending controller 11-5, the Battery Management System (BMS)9, the driving Motor Controller (MCU)21, the brake pedal 1, the accelerator pedal 2, the gear signal 3 and the key switch 4 through signal connection. The driving motor 20 is mechanically connected to the final drive 19, and the final drive 19 is mechanically connected to the brake 23 and is further connected to the wheels 12. The 12V power supply is connected by electrical connections to a Battery Management System (BMS)9, an electric power steering system 15, an electric vacuum pump 16, a vehicle meter 17 and other electrical accessories 18.
From the whole car structure aspect, the basic framework of the range-extending type electric anti-explosion trackless rubber-tyred vehicle is very similar to that of a pure electric anti-explosion trackless rubber-tyred vehicle, and only one range extender 11, namely a vehicle-mounted auxiliary device, is added on the basis of the range-extending type electric anti-explosion trackless rubber-tyred vehicle. The main functions of adding this range extender 11 are two points: one is that the auxiliary power battery supplies power to the drive motor 20. And secondly, when the power battery is insufficient in electric quantity, the power battery pack 8 is charged. In terms of power source, the power battery pack 8 can be charged by a charging pile or a range extender 11, and an engine 11-3 in the range extender 11 obtains fuel oil from a fuel tank and converts the fuel oil into electric energy through a generator 11-1. In the rubber-tyred vehicle working process, if the feed of power battery group 8, then can be by increasing journey ware 11 for the rubber-tyred vehicle normal work power supply, can store unnecessary electric energy to power battery group 8 simultaneously, the advantage of pure electric explosion-proof trackless rubber-tyred vehicle can enough be kept to this kind of mode, the problem of pure electric explosion-proof trackless rubber-tyred vehicle continuation of the journey mileage can be solved again, and then effectual reduction battery loss, battery uniformity and security performance are maintained. The specific operation mode of the power system of the extended-range electric explosion-proof trackless rubber-tyred vehicle is shown in fig. 2.
In the coal industry, a range-extending type electric vehicle is not provided for a downhole mining automobile, so the concept of an explosion-proof range extender is not provided, and the range extender 11 designed by the invention is preferably an explosion-proof range extender which mainly comprises an engine system (and an engine 11-3 and an engine control unit 11-4), a generator system (namely a generator 11-1 and a generator control unit 11-2) and a range-extending controller 11-5. The anti-explosion range extender can be suitable for mine automobiles with certain requirements on the anti-explosion performance in the pit. The explosion-proof range extender is shown in fig. 3, wherein the explosion-proof shell is an explosion-proof and intrinsically safe shell.
The high-voltage power distribution system of the anti-explosion electric trackless rubber-tyred vehicle provided with the range extender is changed from the high-voltage power distribution system adopted in the anti-explosion pure electric trackless rubber-tyred vehicle, and mainly comprises an anti-explosion shell, a power battery pack, a high-voltage power distribution box, a motor controller, an electric air conditioner, an electric oil pump DC/AC, an electric air pump DC/AC, a DC/DC converter, a DC/AC converter and the like. The main function of the high-voltage distribution box is that insurance, contactor and pre-charging circuit on the integrated extended-range type electric explosion-proof trackless rubber-tyred vehicle provide reasonable power distribution for input and output components, and the high-voltage component connected with the high-voltage distribution box mainly has: a power battery, a motor controller, an electric air conditioner, an electric oil pump DC/AC, an electric air pump DC/AC, a DC/DC and DC/AC converter and the like.
Compared with the prior art, the range-extended electric explosion-proof trackless rubber-tyred vehicle provided by the invention has the following advantages:
1. compared with the traditional explosion-proof trackless rubber-tyred vehicle, the range-extending electric explosion-proof trackless rubber-tyred vehicle has the advantages that the engine displacement is small, the combined control of the range extender and the power battery pack is realized through the whole vehicle control strategy, the engine can be controlled to work in an efficient and small-pollution interval, and further the problems of serious underground environmental pollution, large noise and the like caused by the large-scale application of the traditional explosion-proof trackless rubber-tyred vehicle can be solved to a great extent.
2. Compared with a pure electric explosion-proof trackless rubber-tyred vehicle, the range extender is additionally arranged, the range extender is controlled by a whole vehicle control strategy, the electric quantity of the battery can be limited, the battery is often in a shallow charging and shallow discharging state, and when the electric quantity of the battery reaches a set minimum value, the power battery can be supplied by a generator until the electric quantity of the power battery reaches the set maximum value to stop charging, so that the problems of insufficient endurance mileage of the pure electric explosion-proof trackless rubber-tyred vehicle, aggravated power battery loss due to deep charging and deep discharging are effectively solved, the consistency and safety performance of the power battery are maintained, and the problem of safety of the power battery is avoided to bring great potential safety hazards to underground work.
3. The use of the range-extending type electric anti-explosion trackless rubber-tyred vehicle in the pit can reduce the design pressure of a battery box of the current pure electric anti-explosion trackless rubber-tyred vehicle, save the quality and space of passengers and transported articles, and fully improve the working efficiency of the rubber-tyred vehicle. The range extender, the motor and the power battery pack are controlled in a combined mode through a whole vehicle control strategy, the charging and discharging amount of the battery is limited, the battery pack is in a shallow charging and shallow discharging state, the service life of the battery is prolonged, and the consistency and safety performance of the battery are maintained. The battery is charged when the electric quantity of the battery pack reaches a set minimum value through a whole vehicle control strategy, the endurance mileage of the whole vehicle during working is improved, and the scheduling difficulty is reduced. The range-extended electric explosion-proof trackless rubber-tyred vehicle is controlled by a whole vehicle control strategy, only a power battery is used for providing electric energy in a specific working condition interval with serious pollution emission, and an engine is turned off, so that underground pollution emission is greatly reduced, and the underground environment is improved.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (9)
1. The utility model provides an increase electronic explosion-proof trackless rubber-tyred car of form which characterized in that includes: the system comprises a range extender, an AC-DC inverter, a high-voltage distribution box, a DC-AC inverter, a driving motor system and a power battery system;
the range extender is electrically connected with the AC-DC inverter; the AC-DC inverter is electrically connected with the high-voltage distribution box; the high-voltage distribution box is electrically connected with the power battery system and the DC-AC inverter respectively; the DC-AC inverter is electrically connected with the driving motor system.
2. The extended-range electric explosion-proof trackless rubber-tyred vehicle of claim 1, further comprising a vehicle control unit; the range extender includes: the system comprises an engine, an engine control unit, a generator control unit and a range extending controller;
the engine is electrically connected with the engine control unit; the generator is electrically connected with the generator control unit; the engine control unit and the generator control unit are both electrically connected with the range extending controller; the range extending controller is electrically connected with the power battery system and the vehicle control unit respectively; the generator is electrically connected to the AC-DC inverter.
3. The extended range electric explosion-proof trackless rubber-tyred vehicle of claim 2, wherein the drive motor system comprises: a drive motor and a drive motor controller;
the driving motor is electrically connected with the DC-AC inverter and the driving motor controller respectively; the driving motor controller is electrically connected with the vehicle control unit.
4. The extended-range electric explosion-proof trackless rubber-tyred vehicle of claim 2, wherein the power battery system comprises: a power battery pack and a battery management system;
the power battery pack is electrically connected with the high-voltage distribution box and the battery management system respectively; the battery management system is respectively electrically connected with the range-extending controller and the vehicle control unit.
5. The extended-range electric explosion-proof trackless rubber-tyred vehicle of claim 2, further comprising: the electric steering system comprises an electric vacuum pump, an electric steering system, a power supply and a whole vehicle instrument panel;
the electric vacuum pump, the electric steering system, the power battery system and the whole vehicle instrument panel are electrically connected with the power supply.
6. The extended range electric explosion-proof trackless rubber-tyred vehicle of claim 5, wherein the power source is a 12V power source.
7. The extended-range electric explosion-proof trackless rubber-tyred vehicle of claim 2, further comprising: a brake pedal, an accelerator pedal, a gear and a key switch;
the brake pedal, the accelerator pedal, the gear and the key switch are all electrically connected with the vehicle control unit.
8. The extended-range electric explosion-proof trackless rubber-tyred vehicle of claim 3, further comprising a final drive;
the main speed reducer is mechanically connected with the driving motor.
9. The extended-range electric explosion-proof trackless rubber-tyred vehicle of claim 8, further comprising brakes and wheels;
the brake is mechanically connected with the wheel and the main speed reducer respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110646329.5A CN113173081A (en) | 2021-06-10 | 2021-06-10 | Trackless rubber-tyred vehicle for extended-range mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110646329.5A CN113173081A (en) | 2021-06-10 | 2021-06-10 | Trackless rubber-tyred vehicle for extended-range mine |
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| CN113173081A true CN113173081A (en) | 2021-07-27 |
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| CN202110646329.5A Pending CN113173081A (en) | 2021-06-10 | 2021-06-10 | Trackless rubber-tyred vehicle for extended-range mine |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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