CN106740903A - High-power low-speed storage battery tractor Mechatronic control system - Google Patents
High-power low-speed storage battery tractor Mechatronic control system Download PDFInfo
- Publication number
- CN106740903A CN106740903A CN201611230484.4A CN201611230484A CN106740903A CN 106740903 A CN106740903 A CN 106740903A CN 201611230484 A CN201611230484 A CN 201611230484A CN 106740903 A CN106740903 A CN 106740903A
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- CN
- China
- Prior art keywords
- tractor
- control system
- storage battery
- speed storage
- electrical control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C17/00—Arrangement or disposition of parts; Details or accessories not otherwise provided for; Use of control gear and control systems
-
- 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
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
-
- 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
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
- B60L1/14—Supplying electric power to auxiliary equipment of vehicles to electric lighting circuits
- B60L1/16—Supplying electric power to auxiliary equipment of vehicles to electric lighting circuits fed by the power supply line
-
- 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
-
- 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
- B60L2200/26—Rail vehicles
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Automation & Control Theory (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
High-power low-speed storage battery tractor Mechatronic control system, is related to locomotive electrical technical field, especially belongs to a kind of Mechatronic control system for being applied to the small high-power low-speed storage battery tractor for operating and shunting.Including being installed on the battery pack shunt on railroad hauling car, charging cabinet, distribution box, electrical control cubicles and conversion cabinet, the DC 560v of battery pack output, distribution box breaker is connected by charging cabinet conversion terminal, exported to electrical control cubicles through breaker, electrical control cubicles export three branch roads respectively, including tie point, the second branch road and the 3rd branch road, in sum, reliability of the present invention is high, manual dexterity, long lifespan, combination is flexible more than output node, the features such as operating distance is remote, effectively saves manpower and production cost.With the good effect for improving operating efficiency and environmental protection.
Description
Technical field
The present invention relates to locomotive electrical technical field, especially belong to a kind of be applied to the small high-power low-speed for operating and shunting
The Mechatronic control system of storage battery tractor.
Background technology
Less than the 20 tons compact tractors such as country colliery, vcehicular tunnel are used widely at present, and it has motor-driven, spirit
Rationally, driver behavior is safe and reliable for living, topology layout, the features such as a little repair.Variable-frequency governor is additionally provided with under-voltage, mistake simultaneously
The multi-protective function such as pressure, overheat, excessively stream, hypervelocity, and brake deceleration charge function and the control of full rotating speed and electric braking work(
Can etc..The security that locomotive is used farthest is improve, the generation for even avoiding security incident is reduced.Power supply cost is low,
No-spark easily explosion-proof, energy-conserving and environment-protective the advantages of, therefore, battery is widely used as the locomotive of power supply.
Domestic and international electric locomotive service condition is made a general survey of, is mostly used in the big line of railway, with uninterrupted stringing formula
Electric supply does power, speed is high, course continuation mileage is remote, load it is big the features such as, and coal mine tractor have load small, speed
Slowly the features such as, course continuation mileage is near.The current state big line of iron is very ripe with electric power locomotive technology.Domestic colliery, vcehicular tunnel etc. are small-sized
（Less than 20 tons）Tractor is also used widely.But fallen for large-scale mine exploitation, chemical enterprise, iron and steel enterprise, forest
Fortune, port and pier, small operating shunting service in the case where not allowing to use the work condition environment such as stringing electric supply, using high-power（It is negative
Carry 1000T-5000T）The small low speed storage battery of shunting that operates is a blank as the locomotive of power source.
The content of the invention
It is an object of the invention to provide a kind of high-power low-speed storage battery tractor Mechatronic control system, people is saved to reach
The purpose of power and production cost and raising operating efficiency.
High-power low-speed storage battery tractor Mechatronic control system provided by the present invention, it is characterised in that including being installed on
Shunt battery pack on railroad hauling car, charging cabinet, distribution box, electrical control cubicles and conversion cabinet, the DC 560v of battery pack output,
Distribution box breaker is connected by charging cabinet conversion terminal, is exported to electrical control cubicles through breaker, electrical control cubicles export three branch respectively
Road, including tie point, the second branch road and the 3rd branch road, wherein, tie point connects frequency converter by conversion cabinet, through frequency converter
The alternating voltage of 380V is exported, as the driving power supply of traction motor；Second route electrical control cubicles connects the first travelling mechanism,
The DC voltage of 24V is exported through the DC 560V-DC 24V DC converters in electrical control cubicles, as the travelling mechanism of tractor first
The first power supply source, first travelling mechanism include tractor on console, illuminator, loudspeaker, wiper, image prison
Control system, velocity sensor system and remote control system；3rd route electrical control cubicles connection inverter cabinet, 220V is exported through inverter
Alternating voltage, used as the second power supply source of the second travelling mechanism, second travelling mechanism includes the air-conditioning system on tractor
System, hydraulic system.
Further, the remote control system includes remote control, emitter and the receiver of tractor, and emitter is located at and leads
Draw on car, receiver is installed on console, powered using DC 24V power supplys, the gear switch handle on console is respectively cooperating with
Local shelves, remote control shelves, wherein, local shelves are realized locomotive operation, are sanded by the operation handle and button switch on console
Control；Remote control shelves are by remote control realization to the operation of locomotive, the control for sanding.
Further, the frequency converter includes primary transducer, secondary frequency converter, and primary transducer is parallel to conversion with secondary frequency converter
Cabinet.
Further, the battery pack is that at least 2 lead-acid accumulators are combined into.
Further, the traction electric machine uses flange form Interference fit with gear-box, and is connected by bolts, traction electricity
Machine is connected with axletree by axle suspension bearing box, is connected by shaft coupling between motor shaft and gearbox input shaft.
High-power low-speed storage battery tractor Mechatronic control system provided by the present invention, relative to traditional diesel locomotive knot
Structure is simple, reasonable, easy to operate, does not have internal combustion engine and accessory system facility, can effectively reduce locomotive failure rate and maintenance cost, examines
Repair the time short, it is adaptable to high-power（500 tons -5000 tons）The electrical apparatus control system of tractor, stable and reliable operation of the present invention, phase
Compare diesel locomotive either to start to walk, brake or ideal effect, energy saving more than 80% are all played in load running, and do not have
Any pollutant emission, meets national energy-saving emission reduction environmental protection policy.In addition, by connecting the remote control system on tractor, both may be used
Charged a battery with remote control, locomotive can be carried out again comprehensive walking, braking, anti-operating personnel fall automatically power off
The security control of function, manual dexterity high with reliability, long lifespan, combination is flexible more than output node, and operating distance far waits special
Point, effectively saves manpower and production cost.In sum, the present invention has the product for improving operating efficiency and environmental protection
Pole effect.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Specific embodiment
As shown in figure 1, high-power low-speed storage battery tractor Mechatronic control system provided by the present invention, including it is installed on tune
Battery pack, charging cabinet, distribution box, electrical control cubicles and conversion cabinet on car railroad hauling car.It is made up of multiple lead-acid accumulators
Battery pack exports DC 560v, and distribution box breaker is connected by charging cabinet conversion terminal, is exported to electrical control cubicles, electricity through breaker
Control cabinet exports three branch roads, including tie point, the second branch road and the 3rd branch road respectively, wherein, tie point is by conversion cabinet
Connection frequency converter, the alternating voltage of 380V is exported through frequency converter, used as the driving power supply of traction motor, the frequency converter difference
4 traction motors of connection, drive wheel shaft to rotate by gear-box, the tractive force of abundance are provided for locomotive, so that tractor
Front and rear traveling.Wherein, traction electric machine and gear-box use flange form Interference fit, and are connected by bolts, traction electric machine and car
Axle is connected by axle suspension bearing box.Connected by shaft coupling between motor shaft and gearbox input shaft, intermediate elastomeric is star elasticity
Body, effectively reduces tractor starting, operation, the influence of rigid shock produced by braking procedure.Additionally, the frequency converter includes
Primary transducer, secondary frequency converter, are parallel between primary transducer and secondary frequency converter, and primary transducer and secondary frequency converter exist
Selectively it is used alternatingly during implementation, can be used as standby variable frequency device between primary transducer and secondary frequency converter.
Second route electrical control cubicles connects the first travelling mechanism, through the DC 560V-DC 24V DC converters in electrical control cubicles
The DC voltage of 24V is exported, used as the first power supply source of the travelling mechanism of tractor first, first travelling mechanism includes traction
Console, illuminator, loudspeaker, wiper, image monitoring, velocity sensor system and remote control system on car.It is described
Remote control system includes transmitter and receiver, and receiver uses 24VDC power supplys, and on console, remote control can be taken with oneself
Band.Control to locomotive, including locomotive operation set direction, locomotive throttle, locomotive brake are realized by remote control, it is head lamp, near
The control of illuminator, identification light, loudspeaker etc. and sand control and frequency converter reset.Specifically, the switching handle of operating desk is put
In the control that local shelves, locomotive can be realized locomotive operation, be sanded by the operation handle and button switch on console；Will operation
The switching handle of platform is placed in remote control shelves, can be realized to the operation of locomotive, the control for sanding by remote control.
3rd route electrical control cubicles connection inverter cabinet, the alternating voltage of 220V is exported through inverter, as the second travelling mechanism
The second power supply source, second travelling mechanism include tractor on air-conditioning system, hydraulic system.
Additionally, the vehicle-mounted charge cabinet installed on tractor, the socket being provided with by distribution box can at any time to battery pack
Charged.
Claims (5)
1. a kind of high-power low-speed storage battery tractor Mechatronic control system, it is characterised in that including being installed on track drawing of shunting
Battery pack, charging cabinet, distribution box, electrical control cubicles and conversion cabinet on car, the DC 560v of battery pack output, are turned by charging cabinet
Connecting terminal connects distribution box breaker, is exported to electrical control cubicles through breaker, and electrical control cubicles export three branch roads, including first respectively
Road, the second branch road and the 3rd branch road, wherein, tie point connects frequency converter by conversion cabinet, and the friendship of 380V is exported through frequency converter
Stream voltage, as the driving power supply of traction motor；Second route electrical control cubicles connects the first travelling mechanism, through in electrical control cubicles
DC 560V-DC 24V DC converters export the DC voltage of 24V, as the first power supply source of the travelling mechanism of tractor first,
First travelling mechanism includes console, illuminator, loudspeaker, wiper, image monitoring, speed biography on tractor
Sensing system and remote control system；3rd route electrical control cubicles connection inverter cabinet, the alternating voltage of 220V is exported through inverter, is made
It is the second power supply source of the second travelling mechanism, second travelling mechanism includes air-conditioning system, the hydraulic system on tractor.
2. high-power low-speed storage battery tractor Mechatronic control system according to claim 1, is further characterized in that, described distant
Control system includes remote control, emitter and the receiver of tractor, and emitter is located on tractor, and receiver is installed on manipulation
On platform, powered using DC 24V power supplys, the gear switch handle on console is respectively cooperating with local shelves, remote control shelves, wherein, locally
The control that shelves are realized locomotive operation, sanded by the operation handle and button switch on console；Remote control shelves pass through remote control
The control for realize the operation to locomotive, sanding.
3. high-power low-speed storage battery tractor Mechatronic control system according to claim 1, is further characterized in that, the change
Frequency device includes primary transducer, secondary frequency converter, and primary transducer is parallel to conversion cabinet with secondary frequency converter.
4. high-power low-speed storage battery tractor Mechatronic control system according to claim 1, is further characterized in that, the electricity
At least 2 lead-acid accumulators of Chi Zuwei are combined into.
5. high-power low-speed storage battery tractor Mechatronic control system according to claim 1, is further characterized in that, described to lead
Draw motor with gear-box using flange form Interference fit, and be connected by bolts, traction electric machine is connected with axletree by axle suspension bearing box,
Connected by shaft coupling between motor shaft and gearbox input shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611230484.4A CN106740903B (en) | 2016-12-28 | 2016-12-28 | High-power low-speed storage battery tractor Mechatronic control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611230484.4A CN106740903B (en) | 2016-12-28 | 2016-12-28 | High-power low-speed storage battery tractor Mechatronic control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106740903A true CN106740903A (en) | 2017-05-31 |
| CN106740903B CN106740903B (en) | 2019-04-30 |
Family
ID=58921046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611230484.4A Active CN106740903B (en) | 2016-12-28 | 2016-12-28 | High-power low-speed storage battery tractor Mechatronic control system |
Country Status (1)
| Country | Link |
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| CN (1) | CN106740903B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109455188A (en) * | 2018-12-29 | 2019-03-12 | 鞍钢集团（鞍山）铁路运输设备制造有限公司 | A kind of molten iron tractor alternating-current electric control system |
| CN112650138A (en) * | 2020-08-11 | 2021-04-13 | 湖北晨风轨道装备股份有限公司 | Wireless remote control system of electric traction locomotive |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201208905Y (en) * | 2008-02-01 | 2009-03-18 | 深圳先进技术研究院 | Mixed power system for wharf tractor |
| CN201769929U (en) * | 2010-08-17 | 2011-03-23 | 启东大同电机有限公司 | Rest type electric drawing vehicle |
| CN104443082A (en) * | 2014-12-01 | 2015-03-25 | 衡阳合力工业车辆有限公司 | Tractor |
| CN204415068U (en) * | 2015-01-27 | 2015-06-24 | 新乡市百分百机电有限公司 | A kind of electric track tractor truck |
| CN204586537U (en) * | 2015-03-09 | 2015-08-26 | 张睿娴 | The full electric drive low speed tractor of extended-range |
| CN204674393U (en) * | 2015-05-12 | 2015-09-30 | 比亚迪股份有限公司 | The electric power system of aircraft towing and aircraft towing |
| CN105711606A (en) * | 2016-04-18 | 2016-06-29 | 中车资阳机车有限公司 | 1000kW-power-grade pure electric alternating current driving shunting locomotive |
| CN205615734U (en) * | 2016-04-20 | 2016-10-05 | 深圳瑞朗特防爆车辆有限公司 | Luggage tractor |
| CN206465934U (en) * | 2016-12-28 | 2017-09-05 | 山东华车能源科技有限公司 | High-power low-speed storage battery tractor electromechanical controlling device |
-
2016
- 2016-12-28 CN CN201611230484.4A patent/CN106740903B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201208905Y (en) * | 2008-02-01 | 2009-03-18 | 深圳先进技术研究院 | Mixed power system for wharf tractor |
| CN201769929U (en) * | 2010-08-17 | 2011-03-23 | 启东大同电机有限公司 | Rest type electric drawing vehicle |
| CN104443082A (en) * | 2014-12-01 | 2015-03-25 | 衡阳合力工业车辆有限公司 | Tractor |
| CN204415068U (en) * | 2015-01-27 | 2015-06-24 | 新乡市百分百机电有限公司 | A kind of electric track tractor truck |
| CN204586537U (en) * | 2015-03-09 | 2015-08-26 | 张睿娴 | The full electric drive low speed tractor of extended-range |
| CN204674393U (en) * | 2015-05-12 | 2015-09-30 | 比亚迪股份有限公司 | The electric power system of aircraft towing and aircraft towing |
| CN105711606A (en) * | 2016-04-18 | 2016-06-29 | 中车资阳机车有限公司 | 1000kW-power-grade pure electric alternating current driving shunting locomotive |
| CN205615734U (en) * | 2016-04-20 | 2016-10-05 | 深圳瑞朗特防爆车辆有限公司 | Luggage tractor |
| CN206465934U (en) * | 2016-12-28 | 2017-09-05 | 山东华车能源科技有限公司 | High-power low-speed storage battery tractor electromechanical controlling device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109455188A (en) * | 2018-12-29 | 2019-03-12 | 鞍钢集团（鞍山）铁路运输设备制造有限公司 | A kind of molten iron tractor alternating-current electric control system |
| CN109455188B (en) * | 2018-12-29 | 2023-09-15 | 鞍钢集团（鞍山）铁路运输设备制造有限公司 | AC electric control system of molten iron tractor |
| CN112650138A (en) * | 2020-08-11 | 2021-04-13 | 湖北晨风轨道装备股份有限公司 | Wireless remote control system of electric traction locomotive |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106740903B (en) | 2019-04-30 |
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Denomination of invention: Electromechanical control system of high-power low-speed battery tractor Effective date of registration: 20220519 Granted publication date: 20190430 Pledgee: Rizhao Bank Co.,Ltd. Donggang sub branch Pledgor: SHANDONG HUACHE ENERGY TECHNOLOGY CO.,LTD. Registration number: Y2022980006008 |