CN111477792B - Battery pack of battery system of hybrid power locomotive and battery system - Google Patents
Battery pack of battery system of hybrid power locomotive and battery system Download PDFInfo
- Publication number
- CN111477792B CN111477792B CN202010295194.8A CN202010295194A CN111477792B CN 111477792 B CN111477792 B CN 111477792B CN 202010295194 A CN202010295194 A CN 202010295194A CN 111477792 B CN111477792 B CN 111477792B
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
- H01M50/581—Devices or arrangements for the interruption of current in response to temperature
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention provides a battery pack of a battery system of a hybrid locomotive, which comprises a box body and a plurality of battery modules, wherein a plurality of hollow baffles are uniformly arranged in the box body; the plurality of battery modules are fixed in the box body and are separated by the hollow baffle; insulation plates are arranged on two sides of the hollow baffle; copper bars are arranged on the side face inside the box body, each battery module is connected in series through the copper bars, and positive and negative main interfaces are formed at the bottom and the top of each battery module respectively; the surface of the box body is covered by an insulating plate, the bottom and the top of the box body are provided with a battery management system for managing and monitoring the battery module, the bottom of the box body and the top of the box body are respectively provided with a connector which is respectively connected with a positive main interface and a negative main interface, one end of the connector is connected with the main interface of the battery module, and the other end of the connector is externally connected. The battery system formed by the battery pack can effectively ensure the safety of the battery system.
Description
Technical Field
The invention relates to the field of power batteries, in particular to a battery pack of a battery system of a hybrid locomotive and a battery system.
Background
The battery system of the existing locomotive is formed by connecting 22 box bodies in series and is placed in a sealed battery chamber; no protection device is arranged in the battery pack; the whole power battery system is not divided into a plurality of independent, heat-insulating, flame-retardant and explosion-proof branches; monitoring system imperfections; the insulation performance is poor; the power battery compartment fire extinguishing measures are imperfect.
Disclosure of Invention
To the problem that above-mentioned exists, provide a new battery system technical scheme, battery system divide into 4 ways, and every way comprises 5 battery packages, and every battery package contains 3 battery modules, has heat-proof device between module and the module, all sets up the fuse in the battery package, sets up battery management module and manages and monitor the battery, installs extinguishing device in the battery package, sets up the weak link on the battery module, and battery package box installation insulation board, spraying insulating varnish.
The technical scheme adopted by the invention is as follows: a battery pack of a battery system of a hybrid locomotive comprises a box body and a plurality of battery modules, wherein a plurality of hollow baffles are uniformly arranged in the box body; the plurality of battery modules are fixed in the box body and separated by the hollow baffle; insulation plates are arranged on two sides of the hollow baffle; the side surface inside the box body is provided with a copper bar, each battery module is connected in series through the copper bar, and a positive and a negative main interface are respectively formed at the bottom and the top; the surface of the box body is covered by an insulating plate, the bottom and the top of the box body are provided with a battery management system for managing and monitoring the battery module, the bottom of the box body and the top of the box body are respectively provided with a connector which is respectively connected with a positive main interface and a negative main interface, one end of the connector is connected with the main interface of the battery module, and the other end of the connector is externally connected.
Further, still be equipped with the fuse in the battery package, the fuse sets up in the box inboard bottom, establishes ties between bottom half connector and battery module.
Further, still establish extinguishing device in the box, extinguishing device sets up between battery module and box, evenly distributed is in the positive inboard of box.
Furthermore, a heat insulation device is arranged between the battery module and is arranged in a middle partition wall of the hollow baffle.
Furthermore, the bottom of the box body is also provided with a maintenance switch for cutting off the connection between the battery and an external electric appliance.
Further, still be equipped with the weak link in the battery package, the weak link sets up inside arbitrary battery module, and the inside electric core of battery module concatenates with the weak link.
Furthermore, square holes are formed in the insulating plates on the front face and the back face of the box body and used for ventilation and heat dissipation.
Furthermore, the battery module is fixed inside the box body through a mounting bolt, and the mounting bolt is protected by an insulating sleeve.
Furthermore, the surface of the box body is coated with insulating paint, and the battery module and the box body are isolated through the insulating paint.
The invention also provides a hybrid locomotive battery system which comprises a plurality of power battery loops, wherein each battery loop is composed of a plurality of battery packs, and the battery packs are connected in series through connectors at the top and the bottom to form a total negative interface and a total positive interface.
Compared with the prior art, the beneficial effects of adopting the technical scheme are as follows:
1. the power battery loop is used for energy division, a plurality of independent loops of the power battery are adopted, and single-group energy is controlled at a lower level, so that serious damage caused by overlarge energy in short circuit is prevented.
2. The battery pack is provided with a fuse and a weak link, so that the working safety of the battery system is ensured. .
3. Enough safety distance is reserved for the positive and negative buses and the wiring terminals of the power battery system under the condition that the requirements of insulation performance are fully met, and the short circuit danger possibly caused by foreign matter invasion or dust accumulation, oil stain and the like in a overhaul period is thoroughly avoided.
4. The maintenance switch is arranged in the battery pack, so that the battery is thoroughly disconnected with an external electric device, and the battery can be operated without electricity during maintenance.
5. The battery and the box body are completely separated by insulating materials and insulating paint, so that the safety of the box body is ensured.
6. The heat insulation device is filled between the battery pack partition beams, so that other battery modules can not be influenced in a short time even if a single box of batteries catches fire.
7. Install extinguishing device in the battery package, when the temperature reached a definite value in the battery package, automatic fire extinguishing device can start by oneself, erupts the fire extinguishing agent and puts out a fire, cools down.
8. The structure of the battery pack ensures that the ventilation and heat dissipation performance of the battery module is good.
Drawings
Fig. 1 is a schematic front view of a battery pack according to the present invention.
Fig. 2 is a schematic view of the top structure of the battery pack of the present invention.
Fig. 3 is a schematic view of the bottom structure of the battery pack according to the present invention.
Fig. 4 is a bottom cross-sectional view of a battery pack of the present invention.
Fig. 5 is a left side view of the battery pack of the present invention.
FIG. 6 right side view of a battery pack of the present invention
Fig. 7 is a front cross-sectional view of a battery pack of the present invention.
Fig. 8 is a schematic diagram of a battery circuit formed by the battery pack of the present invention.
Fig. 9 is a schematic diagram of a battery system composed of the battery pack of the present invention.
Reference numerals: 1-box body, 2-battery module, 3-hollow baffle, 4-front insulation board, 5-connector, 6-battery management system, 7-maintenance switch, 8-fuse, 9-side insulation board, 10-heat insulation device, 11-copper bar and 12-fire extinguishing device.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1, 2 and 3, a battery pack of a battery system of a hybrid locomotive comprises a box body 1 and a plurality of battery modules 2, wherein a plurality of hollow baffles 3 are uniformly arranged in the box body 1; the plurality of battery modules 2 are fixed inside the box body 1 and are separated by the hollow baffle 3; insulating plates are arranged on two sides of the hollow baffle 3; the side surface inside the box body is provided with a copper bar 11, each battery module 3 is connected in series through the copper bar 11, and a positive and negative main interface is formed at the bottom and the top respectively; the surface of the box body 1 is covered by an insulating plate, the bottom and the top are provided with a battery management system 6 for managing and monitoring the battery module, the bottom and the top of the box body are respectively provided with a connector 5 which is respectively connected with a positive main interface and a negative main interface, one end of the connector is connected with the main interface of the battery module, and the other end of the connector is externally connected. The battery module 3 is composed of a plurality of battery cells. A certain distance is reserved between the battery module and the insulating plate, and the battery module is used for ventilation and heat dissipation.
As shown in fig. 4, in order to ensure the working safety of the battery system, a fuse 8 is further arranged in the battery pack, and the fuse is arranged at the bottom of the inner side of the box body 1 and is connected in series between the connector at the bottom of the box body and the battery module 2.
Still establish extinguishing device 12 in the box as figure 7, extinguishing device sets up between battery module and box, evenly distributed is in the positive inboard of box, and when the temperature reached a definite value in the battery package, automatic fire extinguishing device can start by oneself, erupts the fire extinguishing agent and puts out a fire, cools down.
Preferably, the fire extinguishing device 12 is a fire detection pipe fire extinguishing device, the fire detection pipes are uniformly distributed between the battery module and the box body, once a certain part of the battery module catches fire, the fire detection pipes are melted, and perfluoroethanone gas in the fire detection pipes is sprayed out to extinguish flame.
As shown in fig. 5 and 6, the heat insulating device 10 is further provided between the battery modules so that, even if a single battery is ignited, the other battery modules are not affected in a short time. The thermal insulation means 10 is arranged in the intermediate partition wall of the hollow baffle 3.
The bottom of the box body is also provided with a maintenance switch 7 for cutting off the connection between the battery pack and an external electric appliance, and thoroughly disconnecting the battery pack from the external electric appliance, so that the battery can be operated without electricity during maintenance.
Still be equipped with the weak link in the battery package, the weak link sets up inside arbitrary battery module 2, and the inside electric core of battery module concatenates with the weak link, in case the battery package takes place the short circuit, then can break off the electric core of establishing ties.
Preferably, the weak link is provided in the battery module at the middle portion.
Preferably, square holes are formed in the front insulating plate 4 and the back insulating plate of the box body 1 for ventilation and heat dissipation.
Preferably, the battery module 2 is fixed inside the box body through a mounting bolt, and the mounting bolt is protected by an insulating sleeve.
Preferably, the surface of the box body 1 is coated with insulating paint, and the battery module 3 is isolated from the box body through the insulating paint.
In the present embodiment, the battery pack case is divided into three parts, the battery modules 1, 2, and 3 are mounted, respectively, and the heat insulating means is filled between the partition beams, so that even if a single battery is ignited, the other battery modules are not affected in a short time. When the temperature in the battery pack reaches a certain value, the automatic fire extinguishing device can be automatically started to spray fire extinguishing agent for fire extinguishing and cooling. The insulation board all has before the box, back, left and right, upper and lower, and module pull rod and module construction bolt all protect with insulating boot, and the battery module separates completely with insulating material for the box, and box spraying insulating varnish, even module warp the electric leakage, also can not let the box electrified. The upper and lower insulating plates are provided with a plurality of square holes, which is convenient for ventilation of the air conditioner. Between electric core and the electric core, there is enough interval between electric core and the insulation board, and these intervals are guaranteed that electric core can dispel the heat fast. Install battery management system around the box for the management monitoring battery module, the maintenance switch is used for cutting off the battery, cuts off the power supply when conveniently overhauing the battery.
The module pull rod is a battery cell combined device inside the battery module.
Example 2
The embodiment provides a hybrid locomotive battery system, which comprises a plurality of power battery loops, wherein each battery loop is composed of a plurality of battery packs in embodiment 1, and the battery packs are connected in series through connectors at the top and the bottom to form a total negative interface and a total positive interface.
As shown in fig. 8, the outgoing line of the bottom connector of the bottom battery pack is always negative, the outgoing line of the top connector of the top battery pack is always positive, and the battery boxes are connected in series in an end-to-end positive-negative connection mode, so that the arrangement mode ensures that the wiring distance between cables is small and the pressure difference between the battery boxes is small.
As shown in fig. 9, the power battery circuit in the battery system is divided into 4 branches, and the power battery circuit should be energy-divided, and a single group of energy is controlled at a lower level, so as to prevent serious damage caused by excessive energy during short circuit.
The power battery system is characterized in that enough safety distance is reserved between the positive and negative buses and the wiring terminals under the condition that the insulation performance requirements are fully met, and the short circuit danger possibly caused by foreign matter invasion or dust accumulation, oil stain and the like in a overhaul period is thoroughly avoided.
The invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification and any novel method or process steps or any novel combination of features disclosed. Those skilled in the art to which the invention pertains will appreciate that insubstantial changes or modifications can be made without departing from the spirit of the invention as defined by the appended claims.
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
Claims (9)
1. A battery pack of a battery system of a hybrid locomotive is characterized by comprising a box body and a plurality of battery modules, wherein a plurality of hollow baffles are uniformly arranged in the box body; the plurality of battery modules are fixed in the box body and are separated by the hollow baffle; insulation plates are arranged on two sides of the hollow baffle; copper bars are arranged on the side face inside the box body, each battery module is connected in series through the copper bars, and positive and negative main interfaces are formed at the bottom and the top of each battery module respectively; the surface of the box body is covered by an insulating plate, the bottom and the top of the box body are provided with a battery management system for managing and monitoring the battery module, the bottom and the top of the box body are respectively provided with a connector which is respectively connected with the positive main interface and the negative main interface, one end of the connector is connected with the main interface of the battery module, and the other end of the connector is externally connected; and a heat insulation device is also arranged between the battery module and is arranged in the intermediate partition wall of the hollow baffle.
2. The battery pack for hybrid locomotive battery systems according to claim 1, wherein a fuse is further disposed in the battery pack, the fuse being disposed at the bottom of the interior of the case and connected in series between the connector at the bottom of the case and the battery module.
3. The hybrid locomotive battery system pack according to claim 1 or 2, wherein the box body is further provided with fire extinguishing devices, and the fire extinguishing devices are arranged between the battery module and the box body and are uniformly distributed on the inner side of the front surface of the box body.
4. The hybrid locomotive battery system pack of claim 1, wherein the bottom of the housing further comprises a maintenance switch for disconnecting the battery from an external electrical device.
5. The battery pack of a hybrid locomotive battery system according to claim 1, wherein a weak link is further provided in the battery pack, the weak link is provided inside any battery module, and the battery cells inside the battery modules are connected in series with the weak link.
6. The hybrid locomotive battery system pack of claim 1, wherein the insulating plates on the front and back sides of the housing are perforated with square holes for ventilation and heat dissipation.
7. The hybrid locomotive battery system pack of claim 1, wherein the battery module is secured within the housing by a mounting bolt, the mounting bolt being protected by an insulating sleeve.
8. The battery pack for a battery system of a hybrid locomotive according to claim 1, wherein the surface of the case is coated with an insulating varnish, and the battery module and the case are isolated from each other by the insulating varnish.
9. A hybrid locomotive battery system, characterized in that it comprises a plurality of power battery circuits, each battery circuit is composed of a plurality of battery packs according to any one of claims 1 to 8, the battery packs are connected in series by top and bottom connectors to form a total negative interface and a total positive interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010295194.8A CN111477792B (en) | 2020-04-15 | 2020-04-15 | Battery pack of battery system of hybrid power locomotive and battery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010295194.8A CN111477792B (en) | 2020-04-15 | 2020-04-15 | Battery pack of battery system of hybrid power locomotive and battery system |
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| CN111477792A CN111477792A (en) | 2020-07-31 |
| CN111477792B true CN111477792B (en) | 2022-08-09 |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111916612A (en) * | 2020-08-28 | 2020-11-10 | 浙江衡睿科技有限公司 | Vehicle-mounted double-battery system |
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| JP2009004362A (en) * | 2007-05-24 | 2009-01-08 | Sanyo Electric Co Ltd | Battery pack and secondary battery |
| CN103296334A (en) * | 2013-03-07 | 2013-09-11 | 上海电气钠硫储能技术有限公司 | Sodium-sulfur battery module |
| CN204333071U (en) * | 2014-12-23 | 2015-05-13 | 比亚迪股份有限公司 | For battery casing assembly and there is its battery |
| JP2015210895A (en) * | 2014-04-24 | 2015-11-24 | 株式会社東芝 | Battery pack module |
| CN205508903U (en) * | 2016-03-21 | 2016-08-24 | 江苏谷峰电力科技股份有限公司 | New energy automobile power component |
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| JP5496576B2 (en) * | 2009-08-26 | 2014-05-21 | 三洋電機株式会社 | Battery pack |
| CN206201948U (en) * | 2016-08-31 | 2017-05-31 | 比亚迪股份有限公司 | A kind of Vehicular tray component, Vehicular battery inclusion and automobile |
| CN206322750U (en) * | 2016-11-30 | 2017-07-11 | 惠州比亚迪实业有限公司 | A kind of battery tray and battery bag |
| KR20180070764A (en) * | 2016-12-16 | 2018-06-27 | 현대자동차주식회사 | High voltage battery apparatus for vehicle |
| CN109568834B (en) * | 2017-09-29 | 2024-02-13 | 宇通客车股份有限公司 | Fire extinguishing pressing strip and battery module, battery box and vehicle using same |
| CN109411661A (en) * | 2018-11-08 | 2019-03-01 | 河南速达电动汽车科技有限公司 | Electric vehicle and its battery box body, battery case |
| CN110120479A (en) * | 2019-04-17 | 2019-08-13 | 上海空间电源研究所 | A kind of high-pressure sealed insulation lithium-ions battery group structure of aerospace |
| CN110190223A (en) * | 2019-05-20 | 2019-08-30 | 广州中国科学院工业技术研究院 | Prospect of EVS Powered with Batteries mould group |
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- 2020-04-15 CN CN202010295194.8A patent/CN111477792B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009004362A (en) * | 2007-05-24 | 2009-01-08 | Sanyo Electric Co Ltd | Battery pack and secondary battery |
| CN103296334A (en) * | 2013-03-07 | 2013-09-11 | 上海电气钠硫储能技术有限公司 | Sodium-sulfur battery module |
| JP2015210895A (en) * | 2014-04-24 | 2015-11-24 | 株式会社東芝 | Battery pack module |
| CN204333071U (en) * | 2014-12-23 | 2015-05-13 | 比亚迪股份有限公司 | For battery casing assembly and there is its battery |
| CN205508903U (en) * | 2016-03-21 | 2016-08-24 | 江苏谷峰电力科技股份有限公司 | New energy automobile power component |
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