CN102923133A - Mining lithium-ion battery electric locomotive power assembly system - Google Patents

Mining lithium-ion battery electric locomotive power assembly system Download PDF

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Publication number
CN102923133A
CN102923133A CN2012104143005A CN201210414300A CN102923133A CN 102923133 A CN102923133 A CN 102923133A CN 2012104143005 A CN2012104143005 A CN 2012104143005A CN 201210414300 A CN201210414300 A CN 201210414300A CN 102923133 A CN102923133 A CN 102923133A
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China
Prior art keywords
lithium
battery
explosion
electric locomotive
motor
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Pending
Application number
CN2012104143005A
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Chinese (zh)
Inventor
肖林京
孙传余
于志豪
朱绪力
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Shandong University of Science and Technology
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Shandong University of Science and Technology
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Priority to CN2012104143005A priority Critical patent/CN102923133A/en
Publication of CN102923133A publication Critical patent/CN102923133A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a mining lithium-ion battery electric locomotive power assembly system. The power assembly system comprises a set of mining lithium-ion battery electric locomotive power drive system and two groups of mining lithium-ion battery electric locomotive power supply assemblies; each mining lithium-ion battery electric locomotive power supply assembly is composed of an explosion-proof tank, a lithium battery module, a lithium battery module management system and an assembly control management system; each lithium battery module management system is used for achieving voltage detection of a single lithium battery, balance management of the single lithium battery in charging and discharging processes, temperature detection of the single lithium battery, charging and discharging current detection of battery packs, circulation occlusion caused by voltage difference in parallel output of a plurality of battery packs, charging signal detection and an automatic enabling and output control interface; and each lithium battery module management system directly protects the lithium battery module when faults such as under-voltage and over-current are generated. Therefore, the mining lithium-ion battery electric locomotive power assembly system has the advantages of non-pollution and long service life.

Description

A kind of mining lithium-ions battery electric locomotive power assembly system
Technical field
The invention belongs to a kind of power assembly system, be applicable to electric locomotive, specifically, relate to a kind of mining lithium-ions battery electric locomotive power assembly system, belong to technical field of electricity.
Background technology
Mining electric locomotive is the important transportation instrument of coal industry field, and the quantity of using in the colliery is more and more, and mining electric locomotive uses lead-acid storage battery as electrical source of power usually, and lead-acid storage battery is still occupied an leading position at present.The lead-acid storage battery electric locomotive does not need battery management system control, and usage comparison is simple.
In realizing process of the present invention, the contriver finds to exist at least in the prior art following problem:
1, in the use: often occur leaking acid, can burn mashed clothes, binding post is subjected to sulfuric acid corrosion bad contact often to occur can not charge normal the phenomenons such as use, causes the increase of maintainer's work capacity.
2, very large to harm in initial charge and the daily charging, because volatility and the toxicity of sulfuric acid are all very strong, the penetrating odor of generation threatens to staff's psychosomatic health.
3, carry out the chemistry reflection by adding electric current by sulfuric acid and lead: because this equipment is after being mixed by sulfuric acid and distilled water electric current to occur to make the coal mine equipment normal operation, so sour water cooperates and must strictly be configured by the coal mine equipment specification sheets in initial charge and the daily charging, otherwise will shorten the service life of coal mine equipment, owing to need often to adjust the ratio of sulfuric acid and distilled water, so have the professional to be responsible for maintaining, need to drop into a large amount of manpower and materials.
4, lead-acid storage battery can use 500 circulations, but generally can only reach 400 circulations in actual use, and service life is low.
5, be generally 2 years the service life of lead-acid storage battery coal mine equipment.
6, lead-acid storage battery is because the raw MAT'L that adopts is the plumbous and sour of not environmental protection, so product price is comparatively cheap, the old storage battery environmental pollution after the use is very large.
Lead-acid battery is because existing above shortcoming in use to be restricted.
Summary of the invention
The technical problem to be solved in the present invention is for above deficiency, a kind of mining lithium-ions battery electric locomotive power assembly system is provided, overcome the defective that lead-acid storage battery toxicity is high in the prior art, service life is low, be difficult to detect charging and discharging state, adopted mining lithium-ions battery electric locomotive power assembly system of the present invention to have advantage pollution-free, long service life.
For solving above technical matters, the present invention is by the following technical solutions: a kind of mining lithium-ions battery electric locomotive power assembly system is characterized in that: described lithium-ions battery electric locomotive power assembly system comprises the mining lithium-ions battery electric locomotive power drive line of the 1 cover two groups of mining lithium-ions battery electric locomotive power supply assemblies of unifying;
Mining lithium-ions battery electric locomotive power supply assembly is comprised of explosion-proof tank, lithium battery module, lithium battery module management system and assembly control and management system;
Explosion-proof tank comprises explosion-proof assembly control box and anti-explosion battery box;
Anti-explosion battery box comprises battery cavities, anti-explosion battery box control chamber and anti-explosion battery box wire connection cavity, and lithium battery module is placed in the battery cavities, and the lithium battery module management system is placed in the anti-explosion battery box control chamber, and the anti-explosion battery box wire connection cavity is used for external connection;
Explosion-proof assembly control box comprises explosion-proof assembly control box control chamber and explosion-proof assembly control box wire connection cavity, and assembly control and management system is placed in the explosion-proof assembly control box control chamber, and explosion-proof assembly control box wire connection cavity is used for external connection;
Lithium battery module is comprised of lithium cell, fuse, digital temperature sensor and connection wire, lithium cell is made of a plurality of single lithium battery series connection, output between the lithium battery module is then regulated by assembly control and management system, and the output connection mode is the subset of all lithium battery module combinations;
Circulation blocking-up, the charging signals that the lithium battery module management system be used for to realize that the charging and discharging currents of balanced management, single lithium battery temperature detection, the battery pack of voltage detecting, the single lithium battery charge and discharge process of single lithium battery detects, voltage differences causes during the output in parallel of a plurality of battery pack detects and automatically enables and export control interface.
A kind of prioritization scheme, described assembly control and management system comprises assembly controller, charging guidance circuit and discharges and recharges interface, user communication interface, fault alarm and status display unit and explosion-proof interface.
Another kind of prioritization scheme, described mining lithium-ions battery electric locomotive power-driven system is furnished with contactless contactor, contactless contactor, contactless contactor, two direct current series-excited motors, and two direct current series-excited motors comprise the first motor and the second motor;
The first motor is two f-w-d motors of electric locomotive, controlled by IGBT1 copped wave, and the second motor is two back-wheel drive motors of electric locomotive, controlled by IGBT2, and the first motor and the second motor can be worked individually or simultaneously;
Power supply when contactless contactor, contactless contactor, contactless contactor are used for selecting drive motor work, the first lithium ion power supply is as the power source special of the first motor, and the second lithium ion power supply is as the power source special of the second motor;
The first lithium ion power supply can be used as the backup power of the second motor or the second lithium ion power supply can be used as the first motor by contactless contactor backup power by contactless contactor.
Described moving velocity by IGBT copped wave control and regulation electric locomotive is selected lithium ion power supply by the switching of contactless contactor, and drive motor is fire proof motor.
After the present invention adopts above technical scheme; compared with prior art; have the following advantages: the lithium battery module management system can realize the voltage detecting of single lithium battery; balanced management in the single lithium battery charge and discharge process; the single lithium battery temperature detection; the charging and discharging currents of battery pack detects; the circulation blocking-up that voltage differences causes during the output in parallel of a plurality of battery pack; charging signals detects and automatically enables and export control interface; it does not possess balanced decision making function as performance element; the mode of operation that is the lithium battery module management system is directly decided by assembly control and management system; but under-voltage; when the faults such as overcurrent occur; the lithium battery module management system can directly be protected lithium battery module, and entire system has pollution-free; the advantage of long service life.
The present invention is described in detail below in conjunction with drawings and Examples.
Description of drawings
Accompanying drawing 1 is that the inside of anti-explosion battery box in the embodiment of the invention forms scheme drawing;
Accompanying drawing 2 is that the inside of explosion-proof assembly control box in the embodiment of the invention forms scheme drawing;
Accompanying drawing 3 is mining lithium-ions battery electric locomotive power-driven systems in the embodiment of the invention
Structural representation;
Among the figure,
The 1-lithium battery module, 2-lithium battery module management system, 3-assembly control and management system, the 4-anti-explosion battery box, the explosion-proof assembly control box of 5-, 6-battery cavities, 7-anti-explosion battery box control chamber, the explosion-proof assembly control box of 9-control chamber, the 11-lithium cell, 12-fuse, 13-digital temperature sensor, the 14-assembly controller, the 15-guidance circuit that charges, 16-discharges and recharges interface, the 17-user communication interface, 18-fault alarm and status display unit, 19-electric locomotive controller, 20-charging unit, 21-traction electric machine, 22-the first lithium ion power supply, 23-the second lithium ion power supply.
The specific embodiment
Embodiment, as shown in Figure 1 and Figure 2, a kind of mining lithium-ions battery electric locomotive power assembly system comprises the mining lithium-ions battery electric locomotive power drive line of the 1 cover two groups of mining lithium-ions battery electric locomotive power supply assemblies of unifying.
Mining lithium-ions battery electric locomotive power supply assembly adopt modularization in groups, the central controlled strategy of layering, be comprised of explosion-proof tank, lithium battery module 1, lithium battery module management system 2 and assembly control and management system 3, wherein lithium battery module management system 2 and assembly control and management system 3 are collectively referred to as again the lithium power-supply management system.
Explosion-proof tank comprises explosion-proof assembly control box 5 and two anti-explosion battery boxes 4, only draws two anti-explosion battery boxes 4 among the figure and cooperates with an explosion-proof assembly control box 5, can also adopt a plurality of anti-explosion battery boxes 4 to cooperate with an explosion-proof assembly control box 5.
Wherein anti-explosion battery box 4 is divided into 3 explosion-proof chambers: battery cavities 6, anti-explosion battery box control chamber 7 and anti-explosion battery box wire connection cavity, lithium battery module 1 is placed in the battery cavities 6, lithium battery module management system 2 is placed in the anti-explosion battery box control chamber 7, and the anti-explosion battery box wire connection cavity is used for external connection.
Explosion-proof assembly control box 5 is divided into two explosion-proof chambers: explosion-proof assembly control box control chamber 9 and explosion-proof assembly control box wire connection cavity, and assembly control and management system 3 is placed in the explosion-proof assembly control box control chamber 9, and explosion-proof assembly control box wire connection cavity is used for external connection.
Interface between anti-explosion battery box 4 and the explosion-proof assembly control box 5 comprises the control signal wire of D type and the power generatrix of C type, is connected with requirement of explosion proof;
Interface between lithium battery module 1 and the lithium battery module management system 2 comprises the monomer voltage signal lines of category-A type, the monomer temperature signal lines of category-B type, and the power generatrix of C type, all is positioned at anti-explosion battery box 4 inside, is connected with requirement of explosion proof.
E class interface between explosion-proof assembly control box 5 and the charging unit, and the F class interface between explosion-proof assembly control box 5 and the electric locomotive controller all has requirement of explosion proof.
Lithium battery module 1 is positioned at the battery cavities 6 of anti-explosion battery box 4, by lithium cell 11, fuse 12, digital temperature sensor 13 be connected wire and form, in addition do not contain other any electronics package, lithium cell 11 is made of a plurality of single lithium battery series connection, the capacity of single lithium battery all is no more than 100Ah, output between the lithium battery module 1 is then regulated by assembly control and management system 3, and the output connection mode is the subset of all lithium battery module 1 combinations.
If with the series connection of N batteries, then the quantity of monomer voltage testbus is the N+1 bar, monomer temperature detects the digital temperature sensor 13 that adopts 3 buses, also has 2 horsepower output buses.Each lithium battery module 1 needs 1 lithium battery module management system 2 to carry out management and the maintenance of battery status.
Lithium battery module management system 2 can realize the voltage detecting of single lithium battery; balanced management in the single lithium battery charge and discharge process; the single lithium battery temperature detection; the charging and discharging currents of battery pack detects; the circulation blocking-up that voltage differences causes during the output in parallel of a plurality of battery pack; charging signals detects and automatically enables and export control interface; it does not possess balanced decision making function as performance element; the mode of operation that is lithium battery module management system 2 is directly decided by assembly control and management system 3; but under-voltage; when the faults such as overcurrent occur; lithium battery module management system 2 can directly be protected lithium battery module 1, and do not need assembly control and management system 3 to participate in this moment.
Assembly control and management system 3 comprises assembly controller 14, charging guidance circuit 15 and discharges and recharges interface 16, user communication interface 17, fault alarm and status display unit 18 and explosion-proof interface that the model of assembly controller 14 is STM32F107.
Assembly control and management system 3 provides C class and D class interface to each anti-explosion battery box 4, status between these interfaces is of equal value, anti-explosion battery box 4 can be connected to arbitrarily on the interface, but these interface inside are disconnected mutually, its state is subjected to the control of assembly controller 14, for example C class power generatrix is not simply directly in parallel in inside, but controls the coupled condition of each bus by power device.Assembly control and management system 3 can pass through D class control interface, obtain the operation information of any single lithium battery in the lithium battery module 1, can the state of each lithium battery module 1 be monitored, and can realize that battery status shows and the data-storing function, cut off simultaneously being connected of this module and bus when unusual alarm occurring.
Because the E class discharges and recharges and comprised power circuit, communication line and control path in the interface 16, during the battery charge or discharge, assembly controller 14 can carry out data exchange and energy exchange by E class interface and charging unit 20 or load.Electric locomotive controller 19 does not need to carry out data exchange, only adopts F class power generatrix to connect, to 21 power supplies of mining electric locomotive traction electric machine.Other user equipmenies or PC can connect by user communication interface 17.
As shown in Figure 3, mining lithium-ions battery electric locomotive power-driven system is furnished with two direct current series-excited motors, contactless switch and IGBT, and two direct current series-excited motors comprise the first motor M 1 and the second motor M 2;
The first motor M 1 is two f-w-d motors of electric locomotive, controlled by IGBT1 copped wave, the second motor M 2 is two back-wheel drive motors of electric locomotive, controlled by IGBT2, the first motor M 1 and separately any work of the second motor M 2, also can two work simultaneously, when the horsepower output demand is larger, generally adopt the double-motor mode of operation.
Power supply when contactless contactor K1, contactless contactor K12, contactless contactor K2 are mainly used in selecting drive motor work, usually contactless contactor K12 disconnects, the first lithium ion power supply 22 is as the power source special of the first motor M 1, the second lithium ion power supply 23 is as the power source special of the second motor M 2, under fault or the repair, the first lithium ion power supply 22 can be used as the backup power of the second motor M 2, and the second lithium ion power supply 23 can be used as the backup power of the first motor M 1.
By the moving velocity of IGBT copped wave control and regulation electric locomotive, select lithium ion power supply by the switching of contactless contactor, drive motor is fire proof motor.
Those skilled in the art will recognize that; the above-mentioned specific embodiment is exemplary; in order to make those skilled in the art can better understand content of the present invention; should not be understood as limiting the scope of the invention; so long as the improvement of doing according to technical solution of the present invention all falls into protection scope of the present invention.

Claims (4)

1. mining lithium-ions battery electric locomotive power assembly system is characterized in that: described lithium-ions battery electric locomotive power assembly system comprises the mining lithium-ions battery electric locomotive power drive line of the 1 cover two groups of mining lithium-ions battery electric locomotive power supply assemblies of unifying;
Mining lithium-ions battery electric locomotive power supply assembly is comprised of explosion-proof tank, lithium battery module (1), lithium battery module management system (2) and assembly control and management system (3);
Explosion-proof tank comprises explosion-proof assembly control box (5) and anti-explosion battery box (4);
Anti-explosion battery box (4) comprises battery cavities (6), anti-explosion battery box control chamber (7) and anti-explosion battery box wire connection cavity, lithium battery module (1) is placed in the battery cavities (6), lithium battery module management system (2) is placed in the anti-explosion battery box control chamber (7), and the anti-explosion battery box wire connection cavity is used for external connection;
Explosion-proof assembly control box (5) comprises explosion-proof assembly control box control chamber (9) and explosion-proof assembly control box wire connection cavity, assembly control and management system (3) is placed in the explosion-proof assembly control box control chamber (9), and explosion-proof assembly control box wire connection cavity is used for external connection;
Lithium battery module (1) is by lithium cell (11), fuse (12), digital temperature sensor (13) and be connected wire and form, lithium cell (11) is made of a plurality of single lithium battery series connection, output between the lithium battery module (1) is then regulated by assembly control and management system (3), and the output connection mode is the subset of all lithium battery modules (1) combination;
Circulation blocking-up, the charging signals that lithium battery module management system (2) be used for to realize that the charging and discharging currents of balanced management, single lithium battery temperature detection, the battery pack of voltage detecting, the single lithium battery charge and discharge process of single lithium battery detects, voltage differences causes during the output in parallel of a plurality of battery pack detects and automatically enables and export control interface.
2. a kind of mining lithium-ions battery electric locomotive power assembly system as claimed in claim 1 is characterized in that: described assembly control and management system (3) comprises assembly controller (14), charging guidance circuit (15) and discharges and recharges interface (16), user communication interface (17), fault alarm and status display unit (18) and explosion-proof interface.
3. a kind of mining lithium-ions battery electric locomotive power assembly system as claimed in claim 2, it is characterized in that: described mining lithium-ions battery electric locomotive power-driven system, be furnished with contactless contactor (K1), contactless contactor (K12), contactless contactor (K2), two direct current series-excited motors, two direct current series-excited motors comprise the first motor (M1) and the second motor (M2);
The first motor (M1) is two f-w-d motors of electric locomotive, controlled by IGBT1 copped wave, and the second motor (M2) is two back-wheel drive motors of electric locomotive, controlled by IGBT2, and the first motor (M1) can be worked individually or simultaneously with the second motor (M2);
Power supply when contactless contactor (K1), contactless contactor (K12), contactless contactor (K2) are used for selecting drive motor work, the first lithium ion power supply (22) is as the power source special of the first motor (M1), and the second lithium ion power supply (23) is as the power source special of the second motor (M2);
The first lithium ion power supply (22) can be used as the backup power of the second motor (M2) or the second lithium ion power supply (23) can be used as the first motor (M1) by contactless contactor (K2), contactless contactor (K12) backup power by contactless contactor (K1), contactless contactor (K12).
4. a kind of mining lithium-ions battery electric locomotive power assembly system as claimed in claim 3, it is characterized in that: described moving velocity by IGBT copped wave control and regulation electric locomotive, lithium ion power supply is selected in switching by contactless contactor, and the first motor (M1) and the second motor (M2) are fire proof motor.
CN2012104143005A 2012-10-26 2012-10-26 Mining lithium-ion battery electric locomotive power assembly system Pending CN102923133A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104007391A (en) * 2014-04-29 2014-08-27 江苏华东锂电技术研究院有限公司 Temperature and voltage monitoring system of lithium battery pack
CN104044595A (en) * 2013-03-12 2014-09-17 济宁高科股份有限公司 Underground new energy locomotive for mine
CN104442402A (en) * 2014-12-03 2015-03-25 南车株洲电力机车有限公司 Train power supply equipment
CN104637929A (en) * 2015-02-03 2015-05-20 柳州市同进汽车零部件制造有限公司 IGBT (Insulated Gate Bipolar Transistor) module
CN105186675A (en) * 2015-07-20 2015-12-23 株洲中车电力机车配件有限公司 Emergency power source system for electric locomotive
CN109075301A (en) * 2017-12-18 2018-12-21 深圳市大疆创新科技有限公司 Battery, battery control system and unmanned vehicle
CN111600353A (en) * 2017-11-20 2020-08-28 莱克电气股份有限公司 Lithium battery protection control ASIC chip system
CN109075301B (en) * 2017-12-18 2021-11-16 深圳市大疆创新科技有限公司 Battery, battery control system and unmanned vehicles

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CN102133882A (en) * 2011-01-21 2011-07-27 深圳市德塔电动汽车科技有限公司 Vehicle management system for explosion-proof pure electric command vehicles
CN201918474U (en) * 2010-12-28 2011-08-03 石家庄煤矿机械有限责任公司 Mine explosion-proof power lithium battery power supply device
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CN201312142Y (en) * 2008-11-14 2009-09-16 李文宏 Two-way power supply switching device
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104044595A (en) * 2013-03-12 2014-09-17 济宁高科股份有限公司 Underground new energy locomotive for mine
CN104007391A (en) * 2014-04-29 2014-08-27 江苏华东锂电技术研究院有限公司 Temperature and voltage monitoring system of lithium battery pack
CN104442402A (en) * 2014-12-03 2015-03-25 南车株洲电力机车有限公司 Train power supply equipment
CN104637929A (en) * 2015-02-03 2015-05-20 柳州市同进汽车零部件制造有限公司 IGBT (Insulated Gate Bipolar Transistor) module
CN105186675A (en) * 2015-07-20 2015-12-23 株洲中车电力机车配件有限公司 Emergency power source system for electric locomotive
CN111600353A (en) * 2017-11-20 2020-08-28 莱克电气股份有限公司 Lithium battery protection control ASIC chip system
CN109075301A (en) * 2017-12-18 2018-12-21 深圳市大疆创新科技有限公司 Battery, battery control system and unmanned vehicle
WO2019119210A1 (en) * 2017-12-18 2019-06-27 深圳市大疆创新科技有限公司 Battery, battery control system, and unmanned aerial vehicle
CN109075301B (en) * 2017-12-18 2021-11-16 深圳市大疆创新科技有限公司 Battery, battery control system and unmanned vehicles

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Application publication date: 20130213