CN111244359B - Integrated power battery system of high-power hybrid power locomotive - Google Patents
Integrated power battery system of high-power hybrid power locomotive Download PDFInfo
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- CN111244359B CN111244359B CN202010184624.9A CN202010184624A CN111244359B CN 111244359 B CN111244359 B CN 111244359B CN 202010184624 A CN202010184624 A CN 202010184624A CN 111244359 B CN111244359 B CN 111244359B
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- 230000003137 locomotive effect Effects 0.000 title claims abstract description 37
- 239000000110 cooling liquid Substances 0.000 claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000000498 cooling water Substances 0.000 claims description 40
- 239000002826 coolant Substances 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 22
- 238000001816 cooling Methods 0.000 abstract description 14
- 238000009434 installation Methods 0.000 description 19
- 238000012423 maintenance Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 239000000178 monomer Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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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
- 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
-
- 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
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using 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)
- Electric Propulsion And Braking For Vehicles (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses an integrated power battery system of a high-power hybrid power locomotive, and relates to the technical field of rail transit; the system comprises two power battery devices, wherein each power battery device is provided with a set of water chilling unit; each power battery device is provided with a first chamber and a second chamber which are arranged side by side, the two chambers are respectively provided with a battery compartment and an equipment compartment, and the battery compartments and the equipment compartments in the two chambers are arranged in an oblique symmetry manner; a plurality of layers of battery chambers for accommodating power battery packs and a cooling liquid pipeline system communicated with the water chiller are arranged in the battery compartment; by implementing the technical scheme, the technical problems of long production period and high cost of the existing integrated power battery system can be effectively solved, so that the production period of the power battery system is shortened and the manufacturing cost of the power battery pack is reduced through reasonable integrated layout; meanwhile, the temperature uniformity of the battery pack can be effectively guaranteed through the configured cooling liquid pipeline system, and the battery pack cooling device has good practicability in practice.
Description
Technical Field
The invention relates to the technical field of rail transit, in particular to an integrated power battery system of a high-power hybrid power locomotive.
Background
The battery pack is used as a main energy storage element of the hybrid power locomotive, is a key component of the hybrid power locomotive, and has performance and service life which influence the quality of the whole locomotive. The general power battery pack in the market at present is specially designed and manufactured for the automobile industry, and the loading capacity of the power battery pack is mostly about 200kWh, and the main characteristics of the battery pack are as follows: the surface structure has poor bearing capacity and good sealing performance. However, the battery pack is applied to a high-power hybrid locomotive with the capacity of more than 1000kWh, and is generally designed by a host factory in a combined way according to an integrated mode of layering, overlapping and installing the battery pack, so that the battery pack has the technical problems of long production period, small batch and high cost.
In the process of implementing the embodiment of the invention, the inventor of the application finds that the existing high-power hybrid power locomotive battery pack integration mode at least has the following technical problems: the existing high-power hybrid power locomotive directly selects a power battery pack for integration, and because the number of battery packs needing to be connected in series is large and the space is limited and the arrangement is dense, the heat in the middle area is necessarily accumulated, so that the temperature among the battery packs is uneven, the battery packs are accumulated for a long time, partial battery overcharge or overdischarge reaction is easily caused, and the service life and the performance of a battery system are further influenced; on the other hand, the installation space of the existing battery pack is limited, the battery pack shell cannot bear larger load, if the battery pack is simply installed layer by layer in a stacking mode, the problem that each layer of battery pack bears the load needs to be considered, and if the installation structure is complex in design, the problem of convenience in maintenance needs to be considered.
Therefore, in view of the above technical problems, it is highly desirable for those skilled in the art to study and design a more reasonable integrated power battery system of a high-power hybrid locomotive, which fully considers the problem of bearing load of a battery pack, fully considers the maintenance convenience of the battery pack, ensures uniform temperature among all the monomers of the battery pack, and saves investment cost for enterprises.
Disclosure of Invention
The invention aims to overcome the problems in the prior art, and provides an integrated power battery system of a high-power hybrid power locomotive, so that the battery system can effectively ensure the stability and reliability of the installation of each battery pack through reasonable layout design, can ensure the rigidity intensity of the integral installation of the battery system, improves the bearing capacity of the battery system, ensures that the battery system has good stability and safety, accords with the reasonable design of the arrangement of the battery packs and the dual effects of ensuring the rigidity intensity performance of the structure, can effectively solve the technical problems of long production period and high cost of the conventional power battery system for manufacturing the high-power hybrid power locomotive, can effectively reduce the manufacturing cost of the battery system, and has good practicability and market application value in practice.
The technical scheme adopted by the invention is as follows:
the integrated power battery system of the high-power hybrid power locomotive comprises two power battery devices, wherein the two power battery devices are arranged on a frame side by side, and each power battery device is provided with a set of water chilling unit; each power battery device is provided with a first chamber and a second chamber which are arranged side by side, the first chamber and the second chamber are respectively provided with a battery compartment and an equipment compartment in a dividing mode, and the battery compartments and the equipment compartments in the first chamber and the second chamber are arranged in an oblique symmetry mode; a plurality of layers of battery chambers for accommodating power battery packs and a cooling liquid pipeline system communicated with the water chilling unit are arranged in the battery compartment; the equipment compartment is used for installing an anode high-voltage contact box, a cathode high-voltage contact box, a safe fire extinguishing system and low-voltage electrical equipment.
Alternatively, the two power battery devices are arranged in parallel. According to the technical scheme, the two power battery devices are in a parallel structure, so that when one of the power battery devices fails, the hybrid power locomotive can still normally operate.
Optionally, the water chiller is disposed at an upper end of the power battery device corresponding to the water chiller. The cooling liquid flowing out of the water chilling unit is convenient to pass through the cooling liquid pipeline system to the battery packs in the battery compartments corresponding to the two cavities, so that the flow of the cooling liquid flowing through each battery pack is convenient to control, and uniform cooling is achieved.
Optionally, the cooling liquid pipeline system includes cooling water pipe branch road and with corresponding the cooling liquid pipeline of battery package one-to-one in the battery compartment, cooling liquid pipeline with cooling water pipe branch road intercommunication, the flow of cooling water pipe branch road in first cavity and the second cavity is the same and all communicates with the cooling water pipe total line of installing at cooling water unit liquid outlet. The working principle of the cooling system in the technical scheme is as follows: the cooling liquid flows out through the cooling water pipe main pipeline of the cooling water group liquid outlet, is split into cooling water pipe branches of the first cavity and the second cavity, is split into cooling water pipe pipelines corresponding to each power battery pack in the battery chamber by the cooling water pipe branches, and is used for cooling each power battery pack respectively. The structure design is simple and reliable, and the cooling liquid flow for each battery pack is convenient to control.
Optionally, the coolant lines in each of the battery compartments are arranged in parallel such that coolant flows from the inlet of the lowest battery pack of the battery compartment and flows from the top battery pack to the chiller. According to the technical scheme, the cooling liquid pipeline is arranged by adopting the parallel structure, and the key point is that cooling liquid starts to enter from the inlet of the battery pack at the bottommost layer of the battery compartment and flows back to the water chilling unit from the battery pack at the topmost layer of the battery compartment, so that the flowing resistance of the cooling liquid passing through each battery pack is effectively the same, the cooling liquid flow passing through each battery pack is ensured to be consistent, the cooling temperature uniformity of each battery pack is further ensured, the problem that heat accumulation in the middle area is easily caused due to the limitation of the installation space of the battery pack in the prior art is effectively solved, and the reasonable design of the arrangement of the battery packs can be effectively achieved by matching with the arrangement mode of the battery packs, and meanwhile, the temperature uniformity among all monomers of the battery packs is ensured; the technical scheme skillfully solves the technical problem of large temperature difference of the battery pack caused by unreasonable layout of the integrated power battery system of the existing high-power hybrid power locomotive, shortens the production period of the power battery system and reduces the manufacturing cost of the power battery system.
Optionally, a flow regulating valve is provided on each cooling water pipe branch communicating with the cooling water pipe main for regulating the flow of the cooling liquid into the first chamber and the second chamber. Therefore, the temperature control valve is arranged in front of each battery pack to ensure the consistency of the coolant flow flowing through each battery pack, the manufacturing cost can be effectively reduced, the equipment failure probability is reduced, the installation and the maintenance are convenient, and the single temperature uniformity of each battery pack can be effectively ensured.
Optionally, be provided with the slide rail in the battery compartment and constitute, the slide rail is constituteed and is included slide rail and slide, the slide rail welds on the steel construction of battery compartment, the slide rail with set up the battery mounting panel welding of battery package bottom, so that the battery package can follow the battery mounting panel is followed the battery compartment side is taken out. So this technical scheme is through slide rail constitution with power battery package installation design into drawer type structure, can guarantee power battery package installation and easy maintenance, and can satisfy the impact vibration requirement, has fine practicality in the practical course.
Optionally, both sides of the battery pack are connected with the battery mounting plate through a detachable fastening assembly. So this technical scheme makes battery package and battery mounting panel detachable connection through fastening assembly, and the power battery package of being convenient for is dismantled and is installed convenient, simple structure and flexibility are good.
Optionally, a mounting pull plate is arranged on the steel structure of the battery chamber, and the battery mounting plate is fixedly connected with the steel structure of the battery chamber through the mounting pull plate. The fixed mounting mode is simple in structure, safe and reliable, and can effectively ensure that the battery mounting plate and the steel structure of the battery chamber are stably connected after the power battery pack is mounted.
Optionally, the device compartment is divided and arranged with four areas along the layering direction of the battery pack, and is sequentially used for installing an anode high-voltage contact box, a cathode high-voltage contact box, a safety fire extinguishing system and a low-voltage electrical device from bottom to top. According to the functional requirement of the equipment, the reasonable layout of the whole power battery system is achieved, and the structural stability and the safety of the whole power battery system are ensured.
As described above, the present invention has at least the following advantageous effects over the prior art:
1. the invention adopts the general battery inclusion layout design in the automobile industry, eliminates the existing simple layer-by-layer superposition integration mode, fully considers the problem of bearing load of each layer of battery packs, can effectively ensure the stability and reliability of the installation of each battery pack, has compact structure without influencing the convenience of later maintenance, can effectively ensure the rigidity intensity of the integral installation of the whole battery system, improves the bearing capacity, and has good stability and safety in the locomotive operation process.
2. The invention can effectively solve the technical problems of long production period and high cost of the existing high-power hybrid power locomotive power battery system, can effectively reduce the investment cost of enterprises and shorten the production period by adopting the reasonable integrated layout of the battery packs in the existing automobile industry, can obviously improve the production efficiency and reduce the manufacturing cost of the high-power hybrid power locomotive power battery system, and has good practicability and market application value in practice.
3. According to the invention, through reasonable arrangement of the water chilling units and the cooling liquid pipeline systems, each power battery device corresponds to one water chilling unit, cooling liquid in the water chilling unit is shunted from top to bottom through the cooling water pipeline main pipeline and enters cooling water pipeline branches of the first cavity and the second cavity, and is shunted by the cooling water pipeline branches into cooling liquid pipelines corresponding to each battery pack in the battery chamber; meanwhile, the cooling liquid pipelines in the two cavities are arranged in a parallel structure, so that the flowing resistance of cooling liquid passing through each battery pack is effectively the same, the consistency of the flow of the cooling liquid passing through each battery pack is ensured, and the cooling temperature uniformity of each layer of battery pack is further ensured.
Therefore, the invention can effectively solve the problem that heat in the middle area is easy to gather due to the limitation of the installation space of the battery pack in the prior art, and can effectively achieve reasonable design of the arrangement of the battery pack and ensure the temperature uniformity among the monomers of the battery pack through simple and reliable pipeline structure design and matching with the arrangement mode of the battery pack; the technical problem of large temperature difference of a battery pack caused by unreasonable layout of the integrated power battery system of the existing high-power hybrid locomotive is skillfully solved, the production period of the power battery system is shortened, and the manufacturing cost of the power battery system is reduced; and the service life and the performance of the integrated power battery system can be obviously enhanced.
4. The power battery packs in the battery compartments of each cavity are designed in a layered mode, and the power battery packs are installed and designed into a drawer type structure through the sliding rail, so that the problem that the power battery packs cannot bear large loads and the problem of installation and maintenance are fully considered; preferably, 8 power battery packs are designed and installed in each cavity, so that the whole power battery system is provided with 32 power battery packs, normal operation of a high-power hybrid power locomotive is guaranteed, convenience in installation and maintenance of the power battery packs can be guaranteed, impact vibration requirements can be met, and the high-power hybrid power locomotive has good practicability in the practical process.
Drawings
The invention will be described by way of specific embodiments and with reference to the accompanying drawings in which
FIG. 1 is a schematic layout diagram of an integrated power cell system for a high power hybrid locomotive in accordance with an embodiment of the present invention;
FIG. 2 is a top plan view of the layout of each of the power cell devices of FIG. 1 in accordance with an embodiment of the present invention;
FIG. 3 is a schematic diagram of a coolant piping system in an embodiment of the invention;
FIG. 4 is a schematic view of an installation of a power cell pack in an embodiment of the invention;
fig. 5 is a schematic diagram illustrating connection of the sliding rail assembly in fig. 4 according to an embodiment of the present invention.
Reference numerals illustrate: 1-a power cell device; 2-a water chilling unit; 3-a battery compartment; 4-coolant piping; 5-an anode high-voltage contact box; 6-a negative electrode high-voltage contact box; 7-a safety fire suppression system; 8-low voltage electrical apparatus; 9-battery pack; 10-a battery mounting plate; 11-slide rail composition; 12-mounting a pulling plate; 13-steel structure of the battery compartment; 14-a fastening assembly; 15-sliding rails; 16-a slideway; 17-a flow regulating valve; 18-a bottommost battery pack; 19-topmost battery pack; 20-a first chamber; 21-a second chamber; 22-cell compartments; 23-equipment compartment; 24-a cooling water pipe main; 25-cooling water pipe branch.
Detailed Description
All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.
Any feature disclosed in this specification (including any accompanying claims, abstract) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. That is, each feature is one example only of a generic series of equivalent or similar features, unless expressly stated otherwise.
Example 1
An embodiment is substantially as shown in figure 1: the embodiment provides an integrated power battery system of a high-power hybrid power locomotive, which is applied to the high-power hybrid power locomotive with the loading capacity of more than 1000 kWh; the two power battery devices 1 are arranged on a frame side by side, each power battery device 1 is provided with a set of water chilling unit 2, and the two power battery devices 1 are arranged in parallel, so that when one power battery device 1 fails, the hybrid power locomotive can still normally operate; specifically, as shown in fig. 2, each power battery device 1 has a first chamber 20 and a second chamber 21 arranged side by side, the first chamber 20 and the second chamber 21 are each provided with a battery compartment 22 and an equipment compartment 23, and the first chamber 20 is arranged in oblique symmetry with the battery compartment 22 and the equipment compartment 23 in the second chamber 21; the battery compartment 22 is internally provided with a plurality of layers of battery chambers 3 for accommodating the power battery packs 9 and a cooling liquid pipeline system 4 communicated with the water chilling unit 2, wherein the number of layers of the battery chambers 3 in the battery compartment 22 is designed according to the loading capacity of the hybrid electric vehicle, and the embodiment is used for providing 8 layers of battery chambers 3 for installing the power battery packs 9 in each battery compartment 22, so that the whole power battery system is integrated with 32 power battery packs 9, and the normal operation of the high-power hybrid electric vehicle is ensured.
The device compartment 23 provided in this embodiment is mainly used for installing the positive high-voltage contact box 5, the negative high-voltage contact box 6, the safety fire extinguishing system 7 and the low-voltage electrical device 8, and as a preference of this embodiment, the device compartment 23 is divided and arranged with four areas along the layering direction of the battery pack 9, and is sequentially used for installing the positive high-voltage contact box 5, the negative high-voltage contact box 6, the safety fire extinguishing system 7 and the low-voltage electrical device 8 from bottom to top, so that the reasonable layout of the whole power battery system is achieved according to the functional requirements of the above devices, so as to ensure the structural stability and safety of the whole power battery system.
As shown in fig. 1 and 3, the water cooling unit provided in this embodiment is fixedly installed at the upper end of the power battery device 1 corresponding to the water cooling unit, which is favorable for the structural installation stability of the overall power battery system, and meanwhile, the cooling liquid flowing out of the water cooling unit 2 is convenient to pass through the cooling liquid pipeline system 4 to the battery packs 9 corresponding to the battery compartments 22 of the two cavities, so that the flow rate of the cooling liquid flowing through each battery pack 9 is convenient to be controlled, and uniform cooling is achieved. Specifically, the coolant pipe system 4 includes a cooling water pipe branch 25 and coolant pipes corresponding to the battery packs 9 in the corresponding battery compartments 22 one by one, the coolant pipes are communicated with the cooling water pipe branch 25, in this embodiment, the coolant pipes configured by the power battery packs 9 are designed by adopting hoses, and the water inlets and water outlets of the battery packs 9 in each battery chamber 3 are communicated with the cooling water pipe branch 25 through quick connectors and coolant hoses; meanwhile, in the embodiment, the flow rates of the cooling water pipe branches 25 in the first chamber 20 and the second chamber 21 are the same and are communicated with the cooling water pipe main 24 arranged at the liquid outlet of the cooling water unit. The working principle of the cooling system is as follows: the cooling liquid flows out through the cooling water pipe main 24 of the cooling water group liquid outlet, is split into the cooling water pipe branch 25 of the first chamber 20 and the second chamber 21, and is split into the cooling water pipe pipelines corresponding to each power battery pack 9 in the battery chamber 3 by the cooling water pipe branch 25, and is used for cooling each power battery pack 9 respectively. The structural design is simple and reliable, and the flow of the cooling liquid for each battery pack 9 is convenient to control.
In order to ensure that the coolant flow of each power battery pack 9 is the same, in this embodiment, coolant pipes corresponding to the power battery packs 9 in each battery compartment 22 are arranged in parallel, and the position design of the water chiller 2 is combined, so that the coolant flows in from the inlet of the battery pack 18 at the bottommost layer of the battery compartment 22 and flows out from the battery pack 19 at the topmost layer of the battery compartment and flows back to the water chiller 2; the cooling liquid pipeline is arranged by adopting the parallel structure, and the key point is that cooling liquid starts to enter from the inlet of the battery pack 18 at the bottom layer of the battery compartment 22 and flows back to the water chilling unit 2 from the battery pack 19 at the top layer of the battery compartment, so that the flowing resistance of the cooling liquid passing through each battery pack 9 is effectively the same, the cooling liquid flow passing through each battery pack 9 is ensured to be consistent, the cooling temperature uniformity of each battery pack 9 is ensured, the condition that heat accumulation in a middle area is easily caused due to the limitation of the installation space of the battery pack 9 in the prior art is effectively solved, and the reasonable design of the arrangement of the battery packs 9 can be effectively achieved by matching with the arrangement mode of the battery packs 9, and the temperature uniformity among the monomers of the battery packs 9 is ensured; the integrated power battery system of the high-power hybrid locomotive skillfully solves the technical problem that the battery pack has large temperature difference due to unreasonable layout of the existing integrated power battery system of the high-power hybrid locomotive, shortens the production period of the power battery system and reduces the manufacturing cost of the power battery system.
Meanwhile, a flow rate adjusting valve 17 is provided on each cooling water pipe branch 25 communicating with the cooling water pipe main 24 for adjusting the flow rate of the cooling liquid flowing into the first chamber 20 and the second chamber 21; therefore, the temperature control valve is arranged in front of each battery pack to ensure the consistency of the coolant flow flowing through each battery pack, the manufacturing cost can be effectively reduced, the equipment failure probability is reduced, the installation and the maintenance are convenient, and the single temperature uniformity of each battery pack can be effectively ensured.
Example two
The second embodiment is substantially the same as the first embodiment except that: referring to fig. 1, 4 and 5, the present embodiment provides an integrated power battery system of a high-power hybrid locomotive, and fully considers that a power battery pack 9 is installed and designed into a drawer structure through a sliding rail assembly 11 in combination with that the power battery pack cannot bear a large load and needs to be convenient for installation and maintenance; specifically, be provided with slide rail group 11 in battery compartment 3, slide rail group 11 includes slide rail 15 and slide 16, slide 16 welds on the steel construction 13 of battery compartment, slide rail 15 welds with the battery mounting panel 10 that sets up in battery package 9 bottom to make battery package 9 follow battery mounting panel 10 and follow battery compartment 3 side and take out, this structural design and mounting means simple structure and safe and reliable can guarantee that power battery package 9 installs and easy maintenance, and can satisfy the impact vibration requirement, has fine practicality in the practical course.
In the embodiment, two sides of the battery pack 9 are connected with the battery mounting plate 10 through the detachable fastening components 14, so that the power battery pack 9 is convenient to detach and install, and has a simple structure and good flexibility; the detachable fastening assembly 14 may be a fastening assembly 14 commonly used in the prior art, and is not limited thereto, and a person skilled in the art may make a targeted adjustment based on the existing threaded connection and snap connection according to actual needs, which is not described herein; further, in the embodiment, a mounting pull plate 12 is arranged on a steel structure 13 of the battery chamber, and the battery mounting plate 10 is fixedly connected with the steel structure 13 of the battery chamber through the mounting pull plate 12; as described above, in this embodiment, the battery mounting plate 10 may be pulled out from the side of the power battery device 1, the power battery pack 9 is mounted on the battery mounting plate 10 through the fastening component 14, the battery mounting plate 10 is pushed into the battery chamber 3 corresponding to the battery compartment 22 through the slide rail component 11, and finally the battery mounting plate 10 and the steel structure 13 of the battery chamber are fixed by the mounting pull plate 12.
In summary, the integrated power battery system of the embodiment adopts the design of the layering layout of the compartments of the general battery pack 9 in the automobile industry, so that the production period can be effectively shortened, the manufacturing cost can be reduced, the existing simple layer-by-layer superposition integrated mode is canceled, and the integrated power battery system is applied to the existing high-power hybrid power locomotive, so that the stability and the safety of the integral installation of the whole battery system can be effectively ensured; secondly, in the integrated power battery system provided by the embodiment, the cooling liquid pipelines corresponding to each power battery pack are arranged in a parallel structure, so that the flowing resistance of cooling liquid passing through each battery pack is effectively the same, the consistency of the cooling liquid flowing through each battery pack is ensured, and the cooling temperature uniformity of each layer of battery pack is further ensured; the integrated power battery system for the high-power hybrid locomotive is used for solving the technical problem that the battery pack has large temperature difference due to unreasonable layout of the existing integrated power battery system for the high-power hybrid locomotive, and can remarkably prolong the service life and performance of the integrated power battery system; thirdly, the power battery pack is installed and designed into a drawer type structure, and can be assembled and disassembled correspondingly to each power battery pack, so that the power battery pack can be installed and maintained conveniently, and the impact vibration requirement can be met. Therefore, the integrated power battery system provided by the embodiment has good practicability and market application value in practice, can remarkably improve the production efficiency, and is suitable for popularization and application.
The invention is not limited to the specific embodiments described above. The invention extends to any novel one, or any novel combination, of the features disclosed in this specification, as well as to any novel one, or any novel combination, of the steps of the method or process disclosed.
Claims (5)
1. An integrated power battery system of a high-power hybrid locomotive, which is characterized in that: the device comprises two power battery devices, wherein the two power battery devices are arranged on a frame side by side, and each power battery device is provided with a set of water chilling unit; each power battery device is provided with a first chamber and a second chamber which are arranged side by side, the first chamber and the second chamber are respectively provided with a battery compartment and an equipment compartment in a dividing mode, and the battery compartments and the equipment compartments in the first chamber and the second chamber are arranged in an oblique symmetry mode; a plurality of layers of battery chambers for accommodating power battery packs and a cooling liquid pipeline system communicated with the water chilling unit are arranged in the battery compartment; the equipment compartment is used for installing an anode high-voltage contact box, a cathode high-voltage contact box, a safe fire extinguishing system and low-voltage electrical equipment;
the two power battery devices are arranged in parallel;
the water chilling unit is arranged at the upper end of the power battery device corresponding to the water chilling unit;
the cooling water pipe system comprises cooling water pipe branches and cooling water pipe pipelines which are in one-to-one correspondence with battery packs in the corresponding battery compartments, the cooling water pipe pipelines are communicated with the cooling water pipe branches, and the flow rates of the cooling water pipe branches in the first cavity and the second cavity are the same and are communicated with a cooling water pipe main pipeline arranged at a liquid outlet of a cooling water unit;
the coolant pipes in each battery compartment are arranged in parallel, so that coolant enters from the inlet of the battery pack at the bottommost layer of the battery compartment and flows back to the water chiller from the battery pack at the topmost layer of the battery compartment;
the device compartment is divided and arranged with four areas along the layering direction of the battery pack, and the four areas are sequentially used for installing an anode high-voltage contact box, a cathode high-voltage contact box, a safe fire extinguishing system and low-voltage electrical equipment from bottom to top.
2. The high power hybrid locomotive integrated power battery system of claim 1, wherein: and each cooling water pipe branch communicated with the cooling water pipe main is provided with a flow regulating valve for regulating the flow of the cooling liquid flowing into the first chamber and the second chamber.
3. The high power hybrid locomotive integrated power battery system of claim 1 or 2, wherein: the battery pack is characterized in that a sliding rail assembly is arranged in the battery chamber, the sliding rail assembly comprises a sliding rail and a sliding rail, the sliding rail is welded on a steel structure of the battery chamber, and the sliding rail is welded with a battery mounting plate arranged at the bottom of the battery pack so that the battery pack can be pulled out along with the battery mounting plate from the side face of the battery chamber.
4. The high power hybrid locomotive integrated power battery system of claim 3 wherein: the both sides of battery package pass through detachable fastening assembly with the battery mounting panel is connected.
5. The high power hybrid locomotive integrated power battery system of claim 4 wherein: the battery mounting plate is fixedly connected with the steel structure of the battery chamber through the mounting pull plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010184624.9A CN111244359B (en) | 2020-03-17 | 2020-03-17 | Integrated power battery system of high-power hybrid power locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010184624.9A CN111244359B (en) | 2020-03-17 | 2020-03-17 | Integrated power battery system of high-power hybrid power locomotive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111244359A CN111244359A (en) | 2020-06-05 |
| CN111244359B true CN111244359B (en) | 2024-04-16 |
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| CN112635881A (en) * | 2020-12-25 | 2021-04-09 | 中车资阳机车有限公司 | Power battery mounting structure for locomotive |
| CN114300780A (en) * | 2021-12-24 | 2022-04-08 | 中车资阳机车有限公司 | High-voltage and large-electric-quantity vehicle-mounted power battery device capable of expanding power |
| CN114877135B (en) * | 2022-05-10 | 2024-04-05 | 东软睿驰汽车技术（沈阳）有限公司 | Method and device for fixing battery pack water pipe, electronic equipment and readable storage medium |
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