CN105347194A - Driving system - Google Patents
Driving system Download PDFInfo
- Publication number
- CN105347194A CN105347194A CN201510918274.3A CN201510918274A CN105347194A CN 105347194 A CN105347194 A CN 105347194A CN 201510918274 A CN201510918274 A CN 201510918274A CN 105347194 A CN105347194 A CN 105347194A
- Authority
- CN
- China
- Prior art keywords
- inverter
- lithium battery
- module
- power
- drive system
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/22—Control systems or devices for electric drives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/22—Control systems or devices for electric drives
- B66C13/30—Circuits for braking, traversing, or slewing motors
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a driving system which comprises a power module, an input module and an output module, wherein the power module is electrically connected with the input module and the output module respectively; the power module comprises a BMS (battery management system), a lithium battery system and a DC/DC converter; the BMS is connected with the lithium battery system; the lithium battery system is connected with the DC/DC converter and outputs circuit through the DC/DC converter; the input module comprises an electric generator, an LCL filter and an ISU rectifier which are sequentially connected in series; the output module comprises a plurality of inverters; the inverters are connected with the DC/DC converter, are connected with each other in parallel, and are connected with the corresponding electricity utilization units. The driving system, provided by the invention, adopts the large-capacity lithium battery as the main power source to realize the purposes of high energy utilization ratio, low cost and small pollution.
Description
Technical field
The present invention relates to drive system, particularly a kind of crane drive system based on full lithium cell.
Background technology
At present, the electrical source of power of the heavy type that such as tire type gantry crane (RTG) is so wherein equipment obtains mainly through following three kinds of modes: high-power diesel unit is powered, overhead or underframe slide wire power supply and cable reel are powered.Along with the enhancing of people's environmental protection and energy saving consciousness, the shortcoming of these modes also highlights day by day.Such as, high-power diesel engine is powered: quantity discharged is comparatively large, noise pollution is serious, can only pass through resistance braking, and energy utilization rate is low; Overhead trolley conductor or underframe slide wire power supply: harbour early investment is comparatively large, and the dependence of equipment to terminal facilities is heavier, during equipment runs, alerting ability is poor, and transition is inconvenient, needs outer auxiliary diesel electrical generator to carry out transition; Cable reel is powered: maintenance load and the service expenditure of equipment are higher, and transition must use auxiliary diesel assembly to close and realize, and alerting ability is poor.Visible, how to reduce to pollute the difficult problem becoming those skilled in the art and need to solve while controlling cost as far as possible.
Summary of the invention
In order to overcome defect existing in prior art, the invention provides a kind of high-capacity lithium battery that uses as the crane drive system of main power source, to realize, capacity usage ratio is high, cost is low and pollute little object.
A kind of drive system of the present invention, comprises power module, load module and output module, wherein,
Power module is electrically connected with load module and output module respectively;
Power module comprises BMS battery management system, lithium battery system and DC/DC conv, wherein BMS battery management system is connected with lithium battery system, for monitoring and managing the state of lithium battery system, lithium battery system connects DC/DC conv, and by DC/DC converter output current;
Load module comprises electrical generator, LCL filter and the ISU rectifier of connecting successively, is wherein provided with the first switch between electrical generator and LCL filter;
Output module comprises multiple inverters parallel with one another, and wherein multiple inverter connects each self-corresponding power unit respectively.
Further, electrical generator is System for Small Power Diesel Generator.
Further, load module also comprises bank electrical connector for subsequent use, and wherein bank electrical connector for subsequent use is connected to LCL filter by second switch.
Further, multiple inverter comprises the inverter that hoists, dolly inverter, the first cart inverter and the second cart inverter.
Further, multiple inverter also comprises subordinate inverter.
Owing to adopting above technical scheme, the present invention compared with prior art tool has the following advantages:
1. avoid using high-power diesel engine to power, energy-conserving and environment-protective;
2., without the need to using overhead or underframe trolley, equipment flexible operation is convenient;
3. inapplicable cable reel, saves unnecessary maintenance and auxiliary expenses.
Accompanying drawing explanation
Fig. 1 is the schematic diagram according to drive system of the present invention;
Description of reference numerals:
100 power modules, 200 load modules, 300 output modules, 1 System for Small Power Diesel Generator, 2 accessory power outlets, 3LCL filter, 4ISU rectifier, 5DC/DC conv, 6 lithium battery systems, 7BMS battery management system, 8 hoist inverter, 9 dolly inverters, 10 first cart inverters, 11 second cart inverters, 12AUX inverter.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Fig. 1 is the schematic diagram according to drive system of the present invention.This drive system totally comprises power module 100, load module 200 and output module 300 totally three parts, wherein power module 100 is for providing electric energy for output module 300, normally works to drive the power unit (not shown) being connected to output module 300; When the electricity of power module 100 is not enough, load module 200 can be started and charge for power module 100.
Power module 100 specifically comprises lithium battery system 6, BMS battery management system 7 and DC/DC conv 5.BMS battery management system 7 is connected with lithium battery system 6, for monitoring and managing the state of lithium battery system 6.Lithium battery system 6 connects DC/DC conv 5, and by DC/DC conv 5 outgoing current.
Load module comprises electrical generator 1, LCL filter 3 and the ISU rectifier 4 of connecting successively.Wherein be provided with the first switch between electrical generator 1 and LCL filter 3.Due to without the need to directly for power unit is powered, the electrical generator 1 in the present invention only uses System for Small Power Diesel Generator.Alternatively, LCL filter 3 and ISU rectifier 4 also can be connected with fixing bank electrical connector 2 for subsequent use by second switch, to select suitable mode to be that power module 100 charges according to actual condition.Load module 200 accesses power module 100, to charge for power module 100 when being necessary by connection LCL filter 3 and ISU rectifier 4.Bus voltage by LCL filter 3 and ISU rectifier 4, can control at 620VDC by charging current successively.
Output module 300 comprises multiple inverters in parallel each other, and these inverters connect each self-corresponding power unit respectively, to guarantee the stability of powering.Specifically, multiple inverter comprises the inverter 8 that hoists, dolly inverter 9, first cart inverter 10 and the second cart inverter 11, for driving the hoisting of suspender, the operation of dolly and the operation of the first cart and the second cart respectively.Alternatively, AUX inverter 12 (subordinate inverter) can also be comprised, for providing electric energy for such accessory equipments such as such as controller, illumination, air-conditionings.
In practical operation, when power unit normally works, when lithium battery system 6 electricity monitored is lower than the lower limit of setting but higher than alarm value, open the first switch or second switch, start load module 200 and charge for lithium battery system 6; When lithium battery system 6 electricity is higher than the higher limit set, close the first switch or second switch, stop load module 200 to charge for lithium battery system 6; When monitoring lithium battery system 6 electricity lower than alarm value, sending the alarm that electricity is too low, reminding operating personal to take appropriate measures.
By battery management system 7; the voltage of lithium battery system 6, electric current are controlled in real time; and balanced management is carried out to the electricity of each battery pack, to high temperature, overvoltage, the overcurrent of battery, overcharge, cross to put and all have real-time guard and interlock function, ensure the service life of battery.
The present invention is based on the lithium battery technology reached its maturity at present and extensively promote, be applied in crane drive system, reduce diesel engine energy consumption, reduce discharge amount of pollution, greatly reduce the maintenance workload in hoisting crane daily use, improve energy utilization rate, reduce the operation cost of harbour, improve the competitiveness of product in market.
The above embodiment only have expressed embodiments of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (5)
1. a drive system, is characterized in that, comprises power module, load module and output module, wherein,
Described power module is electrically connected with described load module and described output module respectively;
Described power module comprises BMS battery management system, lithium battery system and DC/DC conv, wherein said BMS battery management system is connected with described lithium battery system, for monitoring and managing the state of described lithium battery system, described lithium battery system connects described DC/DC conv, and by described DC/DC converter output current;
Described load module comprises electrical generator, LCL filter and the ISU rectifier of connecting successively, is provided with the first switch between wherein said electrical generator and described LCL filter; And
Described output module comprises multiple inverters parallel with one another, and wherein said multiple inverter connects each self-corresponding power unit respectively.
2. drive system according to claim 1, is characterized in that, described electrical generator is System for Small Power Diesel Generator.
3. drive system according to claim 1, is characterized in that, described load module also comprises bank electrical connector for subsequent use, and wherein said bank electrical connector for subsequent use is connected to described LCL filter by second switch.
4. drive system according to claim 1, is characterized in that, described multiple inverter comprises the inverter that hoists, dolly inverter, the first cart inverter and the second cart inverter.
5. drive system according to claim 4, is characterized in that, described multiple inverter also comprises subordinate inverter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510918274.3A CN105347194A (en) | 2015-12-11 | 2015-12-11 | Driving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510918274.3A CN105347194A (en) | 2015-12-11 | 2015-12-11 | Driving system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105347194A true CN105347194A (en) | 2016-02-24 |
Family
ID=55323298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510918274.3A Pending CN105347194A (en) | 2015-12-11 | 2015-12-11 | Driving system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105347194A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105692462A (en) * | 2016-03-18 | 2016-06-22 | 上海振华重工(集团)股份有限公司 | Photovoltaic power supply rubber-tyred gantry crane |
| CN110963412A (en) * | 2018-09-28 | 2020-04-07 | 无锡华东自动化科技有限公司 | Container lifting assisting system |
| ES2870728A1 (en) * | 2020-04-27 | 2021-10-27 | Ind Electromecanicas Gh S A | Crane, particularly fully electrified self-propelled gantry crane (Machine-translation by Google Translate, not legally binding) |
Citations (5)
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| US3714379A (en) * | 1971-11-24 | 1973-01-30 | Gte Automatic Electric Lab Inc | Switching arrangement for controlling peripheral units in a time division multiplex common control system |
| JP2010133333A (en) * | 2008-12-04 | 2010-06-17 | Kawasaki Heavy Ind Ltd | Control device for cargo handling machine and control method for cargo handling machine |
| CN102148513A (en) * | 2010-02-08 | 2011-08-10 | 三菱重工业株式会社 | Power feeding device and rubber tired gantry crane including the same |
| CN103606714A (en) * | 2013-11-20 | 2014-02-26 | 上海海事大学 | Graded limiting device and method for energy storage and discharge of hybrid RTG (radioisotope thermoelectric generator) power battery |
| CN104555742A (en) * | 2014-12-05 | 2015-04-29 | 常州基腾电气有限公司 | Hybrid power electrical control system, crane and working method |
-
2015
- 2015-12-11 CN CN201510918274.3A patent/CN105347194A/en active Pending
Patent Citations (5)
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| US3714379A (en) * | 1971-11-24 | 1973-01-30 | Gte Automatic Electric Lab Inc | Switching arrangement for controlling peripheral units in a time division multiplex common control system |
| JP2010133333A (en) * | 2008-12-04 | 2010-06-17 | Kawasaki Heavy Ind Ltd | Control device for cargo handling machine and control method for cargo handling machine |
| CN102148513A (en) * | 2010-02-08 | 2011-08-10 | 三菱重工业株式会社 | Power feeding device and rubber tired gantry crane including the same |
| CN103606714A (en) * | 2013-11-20 | 2014-02-26 | 上海海事大学 | Graded limiting device and method for energy storage and discharge of hybrid RTG (radioisotope thermoelectric generator) power battery |
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| 卓方青: "轮胎式集装箱龙门起重机采用锂电池供电节能项目改造", 《交通节能与环保》 * |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105692462A (en) * | 2016-03-18 | 2016-06-22 | 上海振华重工(集团)股份有限公司 | Photovoltaic power supply rubber-tyred gantry crane |
| CN110963412A (en) * | 2018-09-28 | 2020-04-07 | 无锡华东自动化科技有限公司 | Container lifting assisting system |
| ES2870728A1 (en) * | 2020-04-27 | 2021-10-27 | Ind Electromecanicas Gh S A | Crane, particularly fully electrified self-propelled gantry crane (Machine-translation by Google Translate, not legally binding) |
| WO2021219905A1 (en) * | 2020-04-27 | 2021-11-04 | Industrias Electromecánicas Gh S.A. | Crane, specifically a completely electrified motorised gantry crane |
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Application publication date: 20160224 |