CN108382232A - A kind of Dynamic design method of quarry tipper - Google Patents
A kind of Dynamic design method of quarry tipper Download PDFInfo
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- CN108382232A CN108382232A CN201810149968.9A CN201810149968A CN108382232A CN 108382232 A CN108382232 A CN 108382232A CN 201810149968 A CN201810149968 A CN 201810149968A CN 108382232 A CN108382232 A CN 108382232A
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- energy storing
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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
- B60L50/40—Electric propulsion with power supplied within the vehicle using propulsion power supplied by capacitors
-
- 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
- B60L50/53—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells in combination with an external power supply, e.g. from overhead contact lines
-
- 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
- B60L7/00—Electrodynamic brake systems for vehicles in general
- B60L7/10—Dynamic electric regenerative braking
-
- 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
- B60L9/00—Electric propulsion with power supply external to the vehicle
-
- 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
- B60L2200/36—Vehicles designed to transport cargo, e.g. trucks
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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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to electric power wheel self-discharging vehicle technical field, a kind of particularly Dynamic design method of quarry tipper.At present all there is certain drawbacks, conventional combination in dumper using power sources such as fuel engines, battery pack, stringing auxiliary（Such as fuel engines and battery pack）Performance is not given full play to, construction input cost is larger, is not suitable for the actual production environment in mining area.The purpose of the present invention is：There is provided a kind of dumper operation mode, the i.e. Dynamic design method of dumper, the pros and cons in comprehensive consideration different dynamic source provide and are suitable for mining area operation, economical and practical, are capable of the power scheme of the dumper operation of continuous work.The present invention drives electric power wheel self-discharging vehicle operating using double electric power energies, realizes the dumper power scheme of pure electric vehicle mode, realizes and charges to power energy storing device in dumper operational process, being capable of continuous work using dumper.
Description
Technical field
The present invention relates to electric power wheel self-discharging vehicle technical field, a kind of particularly Dynamic design method of quarry tipper.
Background technology
It is off-highway（It is mining）Electric power wheel self-discharging vehicle（Hereinafter referred to as dumper）It is to be shelled in surface mine to complete the rock earthwork
From with Ore Transportation task and a kind of heavy vehicle for using, work characteristics is that short length of run, carrying weight, shape be tall and big, power
It is powerful, since 1963 come out, continuous perfect in shape and function, new technology update, the use of new material and new process are have passed through, matter is loaded
Amount also develops to current 360 tons, forms multi-series product, becomes year above surface mine of yield ten-million-ton scale, large-scale water
The ideal means of transport of sharp construction project.
The power of dumper generally uses fuel engines, battery pack, stringing auxiliary etc. at present, and fuel engines is with bavin
Oil（Or gasoline）Engine is power source, and by driven by engine electrical power generators, electric energy is transferred to the traction electric machine of Electric Motor Wheel,
Drive dumper work；And battery pack is the electric energy stored directly drives traction electric machine, battery pack can be used external power supply,
The other modes such as fuel engines charge；Stringing auxiliary is that contact net is arranged on the track route of dumper, passes through vehicle
Upper pantograph takes stream with high voltage transmission line overlap joint.
, all there are certain drawbacks in the above-mentioned dynamical system of dumper：Fuel engines type of drive fuel cost is higher,
Seriously polluted, vehicle maintenance is of high cost；Dumper with battery pack, limited battery capacity cannot work long hours, electricity
It needs to be back to fixed location when insufficient and charge, working efficiency is relatively low；Although stringing supplementary mode electric power is abundant, stringing
Construction cost is high, and can not build fixed stringing in special road sections such as handling points.The mutual conventional combination of above-mentioned dynamical system
Mode（Such as fuel engines and battery pack）Performance is not given full play to, construction input cost is larger, is not suitable for the reality in mining area
Border production environment.
Invention content
The purpose of the present invention is：A kind of dumper operation mode, the i.e. Dynamic design method of dumper are provided, synthesis is examined
The pros and cons for measuring different dynamic source provide and are suitable for mining area operation, economical and practical, are capable of the power of the dumper operation of continuous work
Scheme.
Used technical solution is to solve above-mentioned technical problem：A kind of Dynamic design method of quarry tipper,
It is characterized in that：The Dynamic design method includes：
（1）It is equipped with power energy storing device for dumper, the traction electric machine work of dumper can be operated alone in power energy storing device,
Power energy storing device is charged by charging system；
（2）It is equipped with power contacts net for dumper, dumper is overlapped with power contacts net by included power receiving device, takes stream；
（3）Dumper is worked in non-uphill way using power energy storing device driving traction electric machine, and non-uphill way includes level
Section, descending section, loading area, unloading area；Dumper is worked in uphill way using power contacts net driving traction electric machine；
（4）Dumper absorbs electric power caused by electric braking in the feedback of descending section, is stored to power energy storing device.
The power energy storing device is battery pack, and battery pack includes accumulator group and super capacitor group.
The power energy storing device recycles the dumper energy that traction electric machine generates in electric braking, improves the utilization of energy
Rate；Power energy storing device is equipped with power-supply management system, and power-supply management system controls the charging capacity of power energy storing device one
Determine threshold range, the electric energy to recycle electric braking feedback retains energy storage surplus.
The electricity that the power-supply management system monitoring power energy storing device is stored will exceed power energy storing device and store energy
The electric power of power is consumed by braking resistor.
The power contacts net is located at the uphill way of dumper, and dumper is in uphill way all using power contacts net
Traction electric machine work is driven, meanwhile, power contacts net charges to power energy storing device.
The power contacts net is mainly used for charging to power energy storing device, and construction scale is only limitted to meet dumper electricity
The maximum charge demand of power energy storage device.
The beneficial effects of the invention are as follows：
1, using the driving electric power wheel self-discharging vehicle operating of double electric power energies, the dumper power scheme of pure electric vehicle mode is realized, fully
Economic, cleanliness without any pollution electric power resource is utilized, the comprehensive operation cost for reducing dumper is efficiently avoided to fire
Oil turbine drives generator to provide the pollution problem of electric power energy, prevents exhaust gas discharge, is conducive to environmental protection；
2, the structure of dumper is simplified, mitigates dead weight, increases the carrying capacity of dumper；
The energy that feeds back when 3, absorbing dumper braking, can be energy saving and increases economic efficiency；
4, it realizes and charges to power energy storing device in dumper operational process, it being capable of continuous work using dumper.
Description of the drawings
Fig. 1 is the power system architecture schematic diagram of the embodiment of the present invention 2,3.
Specific implementation mode
Embodiment 1：
A kind of Dynamic design method of quarry tipper described in the present embodiment includes：
（1）It is equipped with power energy storing device for dumper, the traction electric machine work of dumper can be operated alone in power energy storing device,
Power energy storing device is charged by charging system；The power energy storing device includes Power Flow and/or electrochemical energy storage, especially
Using superconducting magnetic energy storage, ultracapacitor energy storage, it is suitable for needing to provide pulse power occasion larger in short-term, it is such as high-power
The startup support of direct current generator, dynamic electric voltage recovery device etc., power supply level is improved during Voltage Drop and glitch；
（2）It is equipped with power contacts net for dumper, dumper is overlapped with power contacts net by included power receiving device, takes stream；
（3）Dumper is worked in non-uphill way using power energy storing device driving traction electric machine, and non-uphill way includes level
Section, descending section, loading area, unloading area；Dumper is worked in uphill way using power contacts net driving traction electric machine.It is logical
The power consumption calculated under dumper loading condition is crossed, for the power energy storing device that dumper matching is suitable, the power energy storing device
The electricity stored is able to maintain that the electricity needed for one work period of dumper.The work period of the dumper refers to：From
Unload loading area charging, by material transportation to unloading area's discharging, be back to loading area, further include dumper from parking area to work
Make area（That is loading area or unloading area）Go and back running.
（4）Dumper absorbs electric power caused by electric braking in the feedback of descending section, is stored to power energy storing device.
According to the environment characteristics in mining area, under normal circumstances, dumper is travelled to and fro between loading area and unloading area, is existed between twoth area
One section of ramp, dumper i.e. walk back and forth on the ramp, transported material；Dumper is filled under uphill condition using power energy storage
It sets and/or power contacts net is for electric drive, and in descending, power energy storing device supplies a certain amount of small current driving motor
Implement electric braking, at the same time, motor electric braking generates feedback electric power, which is recycled by power energy storing device, i.e., in fact
" power generation " charges to power energy storing device during present dumper electric braking.
Further, the power energy storing device is battery pack, and battery pack includes accumulator group and super capacitor group.It is described
Battery pack is equipped with battery management system.
Further, the power energy storing device recycles the dumper energy that traction electric machine generates in electric braking, improves
The utilization rate of energy；Power energy storing device is equipped with power-supply management system, and power-supply management system holds the charging of power energy storing device
In certain threshold range, the electric energy to recycle electric braking feedback retains energy storage surplus for amount control.That is, power energy storing device
When being charged by power contacts net, charge volume is controlled 70% or so of maximum energy storage capacity（Up-down error does not surpass 10%）, should
The electricity of numerical value can maintain the operating of dumper one work period of completion；Above-mentioned power energy storing device remaining nearly 30% fills
Electric surplus implements the electric energy of institute's feedback during electric braking for receiving dumper, which can be by above-mentioned time
Feed can receive completely.In next work period, by power-supply management system will the charge volume of power energy storing device control
In above-mentioned numerical value, to balance charge and discharge amount of the dumper within a work period.
Further, above-mentioned 70% threshold value needs to be joined according to vehicle, car weight, load capacity, power energy storage amount, operating mode, power supply
Number etc. is multifactor to be adjusted, and enables dumper by the balance electricity of both power energy storing device and power contacts net come complete
At the operating of a work period.
Further, the electricity that the power-supply management system monitoring power energy storing device is stored, will exceed power energy storage
The electric power of device storage capacity is consumed by braking resistor.It is above-mentioned to be set as safety measure, in case under special circumstances, it will be certainly
The electric energy more than power energy storing device maximum energy storage capacity generated in electric braking of unloading discharges, and prevents its phase to dumper
Component is closed to damage.
Further, the power contacts net is located at the uphill way of dumper, and dumper is all used in uphill way
Power contacts net drives traction electric machine work, meanwhile, power contacts net charges to power energy storing device.
Further, the power contacts net is mainly used for charging to power energy storing device, and construction scale is only limitted to full
The maximum charge demand of sufficient dumper power energy storing device.As described above, dumper is supplied in uphill way using power contacts net
Electricity, driving traction electric machine work, at the same time, power contacts net also charges to power energy storing device.At this point, its charge volume needs to control
System is 70% or so, and when the charge volume of power energy storing device reaches the value, dumper will be switched off the connection with power contacts net,
Without recharging, namely subsequent power contacts net need not be set again, to save the construction cost of contact net.The present embodiment
The design feature is different from current routine, existing dumper stringing subplan completely, and which greatly reduce dumper fortune
Defeated Computer Aided Design construction cost improves the adaptability, mobility, flexibility of electric self-unloading car, makes the operating of dumper no longer
It is influenced by more external stringing factors, greatly improves production efficiency.
Embodiment 2：
As shown in Figure 1, on the basis of above-described embodiment, one of a kind of Dynamic design method of quarry tipper of the present invention
Specific embodiment is as follows：
The dumper is equipped with power receiving device, and power receiving device is mounted on dumper car body, is used for dumper and external power supply（I.e.
Power contacts net）Electrical connection, to transmit electric energy；The power receiving device includes：Pantograph, bracket component, by electric detection means；
Bracket component is used to support, lifts pantograph, and pantograph is made to be connected with external power supply；By electric detection means for detecting outside
Whether power supply has electricity, and the electric current of external power supply, voltage signal are passed to dumper.
The dumper includes control system, is judged for monitoring travel condition of vehicle, collecting signal, function logic, hair
It send and executes instruction, coordinate the work of the component of dynamical system.
The control system includes：Entire car controller, electric machine controller, battery management system；
Entire car controller acquires driver driving signal as the vehicle central control part of dumper, obtains driving motor and electricity
The relevant information of cell system carries out analysis and operation, and sends instruction to electric machine controller and battery management system, realizes vehicle
Drive control, energy optimal control and feedback braking control；Show whole vehicle state information；Has perfect fault diagnosis and dealing
Function；
Electric machine controller, for controlling vehicle traction electric machine.Controller controls motor operation, and external control is received by CAN interface
Signal processed, and feed back current operating conditions information, according to control need speed-changing, torque control model；Has built-in mistake
The fault detects such as pressure, overcurrent and processing function；
Battery management system, intelligent management and each battery unit of maintenance, prevent battery from overcharge and overdischarge occur, extend
The service life of battery monitors the state of battery.
The state of the battery management system monitoring battery pack.
The control system includes charger, for charging to battery pack.
The charger is equipped with the electronic component and auxiliary circuit for having constant-current voltage-stabilizing function, has programmable function, uses
CAN interface is communicated to connect with entire car controller, can adjust charge power in real time.
Control method is used by the control system：
Entire car controller monitoring power receiving device whether with stringing facility（That is power contacts net）Electrical connection is established, is then adopted in this way
It is transmitted electric power to traction electric machine with the external power supply of stringing facility and drives its work, the electric drive of battery pack is otherwise used to draw
Motor works.
In the control method, external power supply driving motor work while, according to the electric power storage state of battery pack to
Battery pack charges.
The control method includes the following steps：
The entire car controller monitors the power on signal by electric detection means,
If power receiving device has electricity, then entire car controller sends open command to high-voltage switch gear I, cuts off battery pack and electric machine controller
Power line, high-voltage switch gear II is closed, traction electric machine is individually powered by the external power supply of stringing facility；
In the case where power receiving device has electricity, external power supply to directly drive traction electric machine, entire car controller passes through battery management system
The energy storage capacity of system monitoring battery pack, if capacity is less than threshold value, then entire car controller sends to be closed to high-voltage switch gear III and refer to
It enables, is connected to the power line of charger and battery pack, charged to battery pack by external power supply；
If power receiving device is without electricity, then the transmission of high-voltage switch gear I is closed by entire car controller, high-voltage switch gear 2 and high-voltage switch gear 3 disconnect,
External power supply and the power line and charger of electric machine controller and the charging circuit of battery pack are cut off, battery pack and motor are connected to
The power line of controller, traction electric machine are individually powered by battery pack.
Embodiment 3：
As shown in Figure 1, on the basis of above-described embodiment, one is present embodiments provided using dynamic design described in above-described embodiment
The dynamical system and its control method of the dumper of method design, concrete structure and method details are as follows.
The power receiving device includes：Pantograph, bracket component, by electric detection means；Bracket component is used to support, lift by
Pantograph makes pantograph and external power supply（That is power contacts net）It is connected；By electric detection means for whether detecting external power supply
There is electricity, the electric current of external power supply, voltage signal are passed into dumper.Power receiving device is generally located on the roof of dumper,
Pantograph is installed on the car body by bracket component, and bracket component can control current collecting bow lifting, tilt, and ensure pantograph and outside
Power supply is bonded.In addition, there is pantograph lead, the lead electric energy of external power supply to be sent to the dynamical system of dumper
Associated components in system.It is above-mentioned by electric detection means for detecting whether external power supply has electricity, while reflect pantograph whether with
External power supply is correctly connected, to ensure that dumper can effectively utilize the electric energy of external power supply；The detection device can be
The device for detecting electric current can also be to detect the device of voltage, such as current transformer.The shape that will be detected by electric detection means
State information passes to the central control part of dumper, so that central control part selects the source of electric power energy.
Further, the dynamical system includes stringing facility（That is power contacts net）, the stringing erection of equipment is in self-unloading
In the run trace of vehicle, it is used to transmit electric power to dumper as external power supply.For the run trace of dumper, which sets
It applies and is alternatively provided on the accommodation road of mining area dumper, both ends are as far as possible to the beginning and end of accommodation road（That is self-unloading
The entrucking point of vehicle is unloaded a little）Extend, first, dumper is made whole can be driven on the way using external power supply in traveling, ensures dynamic
Power is stablized；Second is that providing external power supply supply line as long as possible for dumper, to reduce the duration using battery, extend
Battery life.
Further, the stringing facility includes AC/DC conversion equipments, for converting the alternating current of municipal power supply system
At the DC voltage needed for dumper.In environment of mining area, municipal power supply system is typically for answering 380V alternating currents, needs the friendship
Galvanic electricity passes through transformer equipment（AC/DC conversion equipments）The required direct current of dumper is converted to, and electricity is drawn according to dumper
The voltage specification requirement of machine, above-mentioned transformer equipment should have the different grades of DC voltages such as output 480V, 520V, 560V, with
The traction electric machine of dumper is set to obtain matched voltage.
The dynamical system includes control system, judge for monitoring travel condition of vehicle, collecting signal, function logic,
Transmission executes instruction, and coordinates the work of the component of dynamical system.The control system includes：Entire car controller, electric machine controller,
Battery management system；Entire car controller acquires driver driving signal as the vehicle central control part of dumper, obtains and drives
The relevant information of dynamic motor and battery system carries out analysis and operation, and refers to electric machine controller and battery management system transmission
It enables, realizes vehicle drive control, energy optimal control and feedback braking control；Show whole vehicle state information；Has perfect event
Barrier diagnosis and processing function；Electric machine controller, for controlling vehicle traction electric machine.Controller controls motor operation, is connect by CAN
Mouthful receive external control signal, and feed back current operating conditions information, according to control need speed-changing, torque control mould
Formula；Have fault detects and the processing functions such as built-in overvoltage, overcurrent；Battery management system, intelligent management and each electricity of maintenance
Pool unit prevents battery from overcharge and overdischarge occur, extends the service life of battery, monitors the state of battery.
Further, the state of the battery management system monitoring battery pack.
Further, the control system includes charger, for charging to battery pack.
Further, the charger is equipped with the electronic component and auxiliary circuit for having constant-current voltage-stabilizing function, has program-controlled
Function is communicated to connect using CAN interface and entire car controller, can adjust charge power in real time.
Such as Fig. 1, central control part of the entire car controller as dumper is responsible for acquisition battery management system（That is battery
Group）Battery status information, electric machine controller（That is traction electric machine）Running state information, charger charging status information etc.
Information, and by the external power supply status information of electric detection means, the electric power energy feelings that comprehensive descision dumper currently has
Condition is distributed rationally, and most suitable electric power energy is selected to power for motor.
Control method is used by the control system：
Whether the entire car controller monitoring power receiving device is electrically connected with the foundation of stringing facility, then uses the outer of stringing facility in this way
Portion's power supply transmits electric power to traction electric machine and drives its work, and the electric drive traction electric machine of battery pack is otherwise used to work.
In the control method, external power supply driving motor work while, according to the electric power storage state of battery pack to
Battery pack charges.The charging strategy of battery pack is：When dumper detects that external power supply has electricity, selection immediately uses external electrical
Power source of the source as dumper, driving motor work, while being charged to the insufficient battery pack of electric power by charger, to
Ensure that battery pack has sufficient electric energy storage.
The control method of dynamical system described in the present embodiment, its object is to keep the full power state of battery pack constantly, with
Cope with the emergency cases such as external power supply interruption, the dumper failure being likely to occur.Because of " pure electric vehicle " self-unloading of the present invention
Vehicle is all using electric drive, i.e., based on the electric power of external stringing auxiliary, supplemented by included battery power, if external electrical
If source is interrupted suddenly, battery driven can only be relied on to work, and the power supply capacity of battery pack is limited, drive dumper when
It is long general shorter, dumper midway may be caused to cast anchor, influence to produce.With regard to the transport of the energy, using portability for, Mou Xiete
In the case of different, the fuel oil energy may be more easy to manipulate than electric power energy, and solution bursting problem is more convenient, therefore, if " pure electricity
It is dynamic " dumper not can be well solved above-mentioned bursting problem, then the characteristics of its " pure electric vehicle " will also have a greatly reduced quality.The present embodiment institute
The control method of dumper dynamical system is stated, can remain that the electricity of battery pack expires trellis state in a manner of most safe, foot
To cope with the various emergency cases in zone of reasonableness, so that dumper is got rid of poverty by self power, send and repair.
Further, the control method includes the following steps：
Entire car controller monitoring is by the power on signal of electric detection means, and if power receiving device has electricity, then entire car controller is to height
Compress switch I transmission open command, cuts off the power line of battery pack and electric machine controller, high-voltage switch gear II is closed, traction electricity
Machine is individually powered by the external power supply of stringing facility；
In the case where power receiving device has electricity, external power supply to directly drive traction electric machine, entire car controller passes through battery management system
The energy storage capacity of system monitoring battery pack, if capacity is less than threshold value, then entire car controller sends to be closed to high-voltage switch gear III and refer to
It enables, is connected to the power line of charger and battery pack, charged to battery pack by external power supply；
If power receiving device is without electricity, then the transmission of high-voltage switch gear I is closed by entire car controller, high-voltage switch gear 2 and high-voltage switch gear 3 disconnect,
External power supply and the power line and charger of electric machine controller and the charging circuit of battery pack are cut off, battery pack and motor are connected to
The power line of controller, traction electric machine are individually powered by battery pack.
Embodiment 4：
In the empty wagons and heavy duty test of dumper, pure electric vehicle mine card shows outstanding ability to work：The speed of travel, climbing energy
Power, discharge rate are slightly better than diesel mine card；In terms of vehicle trouble rate and the rate of attendance, it is significantly better than diesel mine card.It is pure
Electronic mine truck largely consumes electric energy, can alleviate coal it is electrical integrated caused by electric problem of excess production capacity, 1 pure electricity of GC50EV
Dynamic mine truck diesel oil substitute power mine truck comes into operation, and can consume 3000 degree of electric energy within every 24 hours, annual consumption electricity
It can be 900,000 degree.Specific data are as follows：
It calculates as illustrated above,
It is 0.50 yuan in electricity price, 80% is saved compared to diesel energy consumption cost；
It is 0.35 yuan in electricity price, 86% is saved compared to diesel energy consumption cost；
It is 0.13 yuan in electricity price, 94% is saved compared to diesel energy consumption cost.
It should be noted last that the above specific implementation mode is only to illustrate the technical solution rather than limit of the invention
System, although the invention is described in detail with reference to example, it will be understood by those of ordinary skill in the art that, it can be right
The technical solution of the invention is modified or replaced equivalently, without departing from the spirit and model of the invention technical solution
It encloses, should all cover in the right of the invention.
Claims (6)
1. a kind of Dynamic design method of quarry tipper, it is characterised in that：The Dynamic design method includes：
（1）It is equipped with power energy storing device for dumper, the traction electric machine work of dumper can be operated alone in power energy storing device,
Power energy storing device is charged by charging system；
（2）It is equipped with power contacts net for dumper, dumper is overlapped with power contacts net by included power receiving device, takes stream；
（3）Dumper is worked in non-uphill way using power energy storing device driving traction electric machine, and non-uphill way includes level
Section, descending section, loading area, unloading area；Dumper is worked in uphill way using power contacts net driving traction electric machine；
（4）Dumper absorbs electric power caused by electric braking in the feedback of descending section, is stored to power energy storing device.
2. a kind of Dynamic design method of quarry tipper according to claim 1, it is characterised in that：
The power energy storing device is battery pack, and battery pack includes accumulator group and super capacitor group.
3. a kind of Dynamic design method of quarry tipper according to claim 2, it is characterised in that：
The power energy storing device recycles the dumper energy that traction electric machine generates in electric braking, improves the utilization rate of energy；
Power energy storing device is equipped with power-supply management system, and power-supply management system controls the charging capacity of power energy storing device in certain threshold
It is worth range, the electric energy to recycle electric braking feedback retains energy storage surplus.
4. a kind of Dynamic design method of quarry tipper according to claim 3, it is characterised in that：
The electricity that the power-supply management system monitoring power energy storing device is stored, will be beyond power energy storing device storage capacity
Electric power is consumed by braking resistor.
5. a kind of Dynamic design method of quarry tipper according to claim 1 or 2 or 3 or 4, it is characterised in that：
The power contacts net is located at the uphill way of dumper, and dumper is all driven using power contacts net in uphill way
Traction electric machine works, meanwhile, power contacts net charges to power energy storing device.
6. a kind of Dynamic design method of quarry tipper according to claim 5, it is characterised in that：
The power contacts net is mainly used for charging to power energy storing device, and construction scale is only limitted to meet the storage of dumper electric power
The maximum charge demand of energy device.
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| CN113847034A (en) * | 2021-09-26 | 2021-12-28 | 内蒙古华威矿业工程有限责任公司 | Energy-saving transportation mining method for open pit coal mine |
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Application publication date: 20180810 |