CN111244359A - 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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- CN111244359A CN111244359A CN202010184624.9A CN202010184624A CN111244359A CN 111244359 A CN111244359 A CN 111244359A CN 202010184624 A CN202010184624 A CN 202010184624A CN 111244359 A CN111244359 A CN 111244359A
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- 230000003137 locomotive effect Effects 0.000 title claims abstract description 43
- 239000000110 cooling liquid Substances 0.000 claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000005192 partition Methods 0.000 claims abstract description 4
- 239000000498 cooling water Substances 0.000 claims description 32
- 238000009434 installation Methods 0.000 claims description 32
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 23
- 239000002826 coolant Substances 0.000 description 19
- 238000012423 maintenance Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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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
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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
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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
- H01M10/65—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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- 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 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 cavity and a second cavity which are arranged side by side, the two cavities are respectively provided with a battery compartment and an equipment compartment in a partition manner, and the battery compartment and the equipment compartment in the two cavities are obliquely and symmetrically arranged; 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; by implementing the technical scheme, the technical problems of long production period and high cost of the conventional 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 system is reduced through reasonable integrated layout of the power battery pack; meanwhile, the temperature of the battery pack can be effectively guaranteed to be uniform through the configured cooling liquid pipeline system, and the battery pack 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 locomotive, is a key component of the hybrid locomotive, and the performance and the service life of the battery pack influence the performance of the whole locomotive. The universal power battery pack in the current market is specially designed and manufactured for the automobile industry, the loading capacity of the universal power battery pack is about 200kWh, and the universal power battery pack is mainly characterized in that: the surface structure has a poor load-bearing capacity but a good sealing property. However, the battery pack is applied to a high-power hybrid locomotive with the capacity of more than 1000kWh, and is usually designed by a host factory in a combined manner with a battery factory according to an integrated manner of layered and overlapped installation of the battery pack, so that the technical problems of long production period, small batch and high cost exist.
In the process of implementing the embodiment of the invention, the inventor of the present application finds that the battery pack integration method of the existing high-power hybrid locomotive at least has the following technical problems: the conventional high-power hybrid locomotive is directly integrated by using a power battery pack universal in the automobile industry, and the number of battery packs needing to be connected in series is large, and the battery packs are densely arranged due to space limitation, so that the heat is inevitably accumulated in the middle area, the temperature among the monomers of the battery packs is not uniform, the heat is accumulated for a long time, the overcharge or overdischarge reaction of partial batteries 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, and the battery pack shell cannot bear larger load, if the battery pack is simply installed in a layer-by-layer overlapping 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 maintenance convenience needs to be considered.
Therefore, aiming at the technical problems, a more reasonable integrated power battery system of the high-power hybrid locomotive needs to be researched and designed by technical personnel in the field, the problem that the battery pack bears load is fully considered, the maintenance convenience of the battery pack is fully considered, the uniform temperature among all the cells of the battery pack is ensured, and the investment cost of enterprises is saved.
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 locomotive, so that the battery system can effectively ensure the stable reliability of the installation of each battery pack through reasonable layout design, can also ensure the rigidity strength of the integral installation of the battery system, improves the bearing capacity of the battery system, has good stability and safety, meets the double effects of reasonable design of the arrangement of the battery packs and the guarantee of the rigidity strength performance of the structure, can effectively solve the technical problems of long production period and high cost in the conventional method for manufacturing the power battery system of the high-power hybrid locomotive, can effectively reduce the manufacturing cost of the power battery system of the high-power hybrid locomotive, and has good practicability and market application value in practice.
The technical scheme adopted by the invention is as follows:
an integrated power battery system of a high-power hybrid 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 cavity and a second cavity which are arranged side by side, the first cavity and the second cavity are respectively provided with a battery compartment and an equipment compartment in a partition manner, and the battery compartment and the equipment compartment in the first cavity and the second cavity are in oblique symmetrical arrangement; 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 a positive electrode high-voltage contact box, a negative electrode high-voltage contact box, a safe fire extinguishing system and low-voltage electrical equipment.
Optionally, two of the power battery devices are arranged in a parallel structure. According to the technical scheme, the two power battery devices are in a parallel connection structure, so that when one power battery device fails, the hybrid locomotive can still normally run.
Optionally, the water chilling unit is arranged at the upper end of the power battery device corresponding to the water chilling unit. Do benefit to whole power battery system structure installation stability, the coolant liquid of being convenient for simultaneously flowing out from the cooling water set passes through coolant liquid pipe-line system to the battery package that corresponds in two cavity battery compartments, and the coolant liquid flow of every battery package of being convenient for control flow through reaches even cooling.
Optionally, the cooling liquid pipeline system includes a cooling water pipe branch and a cooling liquid pipeline corresponding to the battery pack in the battery compartment one to one, the cooling liquid pipeline is communicated with the cooling water pipe branch, and the flow rates of the cooling water pipe branches in the first chamber and the second chamber are the same and are both communicated with a cooling water pipe main installed at a liquid outlet of the cooling water unit. The working principle of the cooling system in the technical scheme is as follows: and the cooling liquid flows out through a cooling water pipe main of a cooling water group liquid outlet, is shunted to enter the cooling water pipe branches of the first cavity and the second cavity, is shunted by the cooling water pipe branches to enter the cooling liquid pipelines corresponding to each power battery pack in the battery chamber, and is respectively used for cooling each power battery pack. The structure is simple and reliable, and the flow of the cooling liquid for each battery pack is convenient to control.
Optionally, the coolant pipes in each battery compartment are arranged in parallel, so that the coolant flows back to the water chilling unit from the inlet of the bottommost battery pack in the battery compartment and flows out of the topmost battery pack in the battery compartment. By combining the technical scheme, the cooling liquid pipeline arrangement adopting the parallel structure design is characterized in that the cooling liquid enters 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, so that the flowing resistance of the cooling liquid passing through each battery pack can be effectively enabled to be the same, the flow rate of the cooling liquid flowing through each battery pack is ensured to be consistent, the cooling temperature uniformity of each layer of battery pack is further ensured, the problem that the heat accumulation of 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 temperature uniformity among the monomers of the battery pack can be ensured while the reasonable design of the arrangement of the battery pack is effectively achieved by matching the simple and reliable pipeline structure design and the arrangement mode of the battery; the technical scheme ingeniously solves the technical problem that the temperature difference of the battery pack is large due to the fact that the existing integrated power battery system of the high-power hybrid locomotive is unreasonable in layout, 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 disposed on each cooling water pipe branch communicated with the cooling water main for regulating the flow of the cooling liquid flowing into the first chamber and the second chamber. Therefore, the consistency of the flow of the cooling liquid flowing through each battery pack can be effectively avoided by arranging the temperature control valve in front of each battery pack, the manufacturing cost can be effectively reduced, the failure probability of equipment is reduced, the installation and the maintenance are convenient, and the uniformity of the temperature of each battery pack in single unit can be effectively ensured.
Optionally, a slide rail assembly is arranged in the battery chamber, the slide rail assembly comprises a slide rail and a slide way, the slide way is welded on a steel structure of the battery chamber, and the slide rail is welded with a battery mounting plate arranged at the bottom of the battery pack, so that the battery pack can be drawn out from the side face of the battery chamber along with the battery mounting plate. According to the technical scheme, the power battery pack is installed and designed into the drawer type structure through the sliding rail assembly, the installation and the maintenance of the power battery pack are convenient, the impact vibration requirement can be met, and the power battery pack has good practicability in the practice process.
Optionally, both sides of the battery pack are connected with the battery mounting plate by detachable fastening components. So this technical scheme makes battery package and battery mounting panel can dismantle through fastening components and is connected, and the power battery package of being convenient for is dismantled and the installation is convenient, and simple structure and flexibility are good.
Optionally, an installation pulling plate is arranged on a steel structure of the battery chamber, and the battery installation plate is fixedly connected with the steel structure of the battery chamber through the installation pulling plate. The fixing and mounting mode is simple in structure, safe and reliable, and can effectively ensure that the battery mounting plate of the power battery pack is stably connected with the steel structure of the battery chamber after the power battery pack is mounted.
Optionally, the equipment compartment is provided with four areas along the layering direction of the battery pack in a partitioned manner, and the four areas are sequentially used for installing the positive high-voltage contact box, the negative high-voltage contact box, the safety fire extinguishing system and the low-voltage electrical equipment from bottom to top. According to the function 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 guaranteed.
As described above, the present invention has at least the following advantages over the prior art:
1. the integrated power battery system has a compact structure without influencing the convenience of later maintenance, can effectively ensure the rigidity strength of the integral installation of the whole battery system, improves the bearing capacity of the integrated power battery system, and has good stability and safety in the locomotive running process.
2. The invention can effectively solve the technical problems of long production period and high cost in the prior art of manufacturing the power battery system of the high-power hybrid power locomotive, effectively reduce the investment cost of enterprises and shorten the production period by adopting the reasonable integrated layout of the battery pack in the prior automobile industry, can obviously improve the production efficiency and reduce the manufacturing cost when being applied to the prior high-power hybrid power locomotive, and has good practicability and market application value in practice.
3. The system is reasonably arranged by the cold water unit and the cooling liquid pipeline system, each power battery device corresponds to one cold water unit, and the cooling liquid in the cold water units flows into the cooling water pipe branches of the first cavity and the second cavity in a shunting manner from top to bottom through the cooling water pipe main, and flows into the cooling liquid pipeline corresponding to each battery pack in the battery chamber in a shunting manner through the cooling water pipe branches; meanwhile, the cooling liquid pipelines in the two cavities are designed and arranged in a parallel structure, so that the flowing resistance of the cooling liquid passing through each battery pack can be effectively same, the flow of the cooling liquid flowing through each battery pack is ensured to be consistent, and the uniformity of the cooling temperature of each layer of battery pack is ensured.
According to the invention, the problem that heat in the middle area is easily accumulated due to the limitation of the installation space of the battery pack in the prior art can be effectively solved, and the temperature uniformity among the single batteries of the battery pack can be ensured while the reasonable design of the arrangement of the battery pack can be effectively achieved through the simple and reliable pipeline structure design and the arrangement mode of the battery pack; the technical problem that the temperature difference of a battery pack is large due to unreasonable layout of the integrated power battery system of the conventional high-power hybrid locomotive is solved skillfully, the production period of the power battery system is shortened, and the manufacturing cost of the power battery system is reduced; meanwhile, the service life and the performance of the integrated power battery system can be obviously enhanced.
4. The power battery pack in each cavity battery compartment is designed in a layered mode, and the power battery pack is installed and designed into a drawer type structure through the sliding rail assembly, so that the problem that the power battery pack cannot bear large load 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, the normal operation of the high-power hybrid locomotive is ensured, the convenience in installation and maintenance of the power battery packs can be ensured, the impact vibration requirement can be met, and the practical practicability is good 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 battery system of a high-power hybrid locomotive according to an embodiment of the invention;
FIG. 2 is a top 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 present invention;
FIG. 4 is a schematic view of the installation of a power battery pack in an embodiment of the invention;
fig. 5 is a schematic connection diagram of the slide rail assembly shown in fig. 4 according to the embodiment of the invention.
Description of reference numerals: 1-a power cell device; 2-a water chilling unit; 3-a battery compartment; 4-coolant piping system; 5-positive electrode high-voltage contact box; 6-negative high-voltage contact box; 7-a safety fire extinguishing system; 8-low voltage electrical equipment; 9-a battery pack; 10-a battery mounting plate; 11-a slide rail; 12-installing a pulling plate; 13-steel construction of the cell compartment; 14-a fastening assembly; 15-a slide rail; 16-a slide; 17-a flow regulating valve; 18-bottommost battery pack; 19-topmost battery pack; 20-a first chamber; 21-a second chamber; 22-a battery compartment; 23-an equipment compartment; 24-cooling water pipe main line; 25-cooling water pipe branch.
Detailed Description
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 (including any accompanying claims, abstract) 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.
Example one
The embodiment is basically as shown in figure 1: the embodiment provides an integrated power battery system of a high-power hybrid locomotive, which is applied to the high-power hybrid locomotive with the loading capacity of more than 1000 kWh; the hybrid power locomotive comprises two power battery devices 1, wherein 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 a parallel structure, so that when one power battery device 1 fails, the hybrid power locomotive can still normally run; 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, each of the first chamber 20 and the second chamber 21 is divided into a battery compartment 22 and an equipment compartment 23, and the first chamber 20 and the battery compartment 22 and the equipment compartment 23 in the second chamber 21 are arranged in an oblique symmetry; the battery compartment 22 is internally provided with a plurality of layers of battery chambers 3 for accommodating 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 power locomotive, and in the embodiment, 8 layers of battery chambers 3 for installing the power battery packs 9 are designed 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 power locomotive is ensured.
The equipment compartment 23 that this embodiment provided mainly used installs anodal high pressure contact box 5, negative pole high pressure contact box 6, safe fire extinguishing system 7 and low pressure electrical equipment 8, as the preferred of this embodiment, equipment compartment 23 has been cut apart along the layering direction of battery package 9 and has been arranged four regions, from lower up be used for installing anodal high pressure contact box 5 in proper order, negative pole high pressure contact box 6, safe fire extinguishing system 7 and low pressure electrical equipment 8, so according to the reasonable overall arrangement of the functional requirement of above-mentioned equipment in order to reach whole power battery system, be used for guaranteeing whole power battery system's structural stability and security.
As shown in fig. 1 and fig. 3, the water chiller unit provided in this embodiment is fixedly installed at the upper end of the power battery device 1 corresponding to the water chiller unit, which is beneficial to the structural installation stability of the whole power battery system, and is also convenient for the coolant flowing out from the water chiller unit 2 to pass through the coolant pipeline system 4 to the battery packs 9 in the battery compartments 22 corresponding to the two chambers, so as to control the flow rate of the coolant flowing through each battery pack 9, thereby achieving uniform cooling. Specifically, the coolant pipeline system 4 includes a coolant pipe branch 25 and coolant pipelines corresponding to the battery packs 9 in the corresponding battery compartments 22 one by one, the coolant pipelines are communicated with the coolant pipe branch 25, in this embodiment, the coolant pipelines configured for the power battery packs 9 adopt a hose design, and the water inlets and the water outlets of the battery packs 9 in the battery compartments 3 are communicated with the coolant 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 both communicated with the cooling water pipe main 24 installed 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 a cooling water pipe main 24 of a cooling water group liquid outlet, is shunted to enter cooling water pipe branches 25 of the first cavity 20 and the second cavity 21, and is shunted by the cooling water pipe branches 25 to enter cooling liquid pipelines corresponding to each power battery pack 9 in the battery chamber 3, and the cooling liquid pipelines are respectively used for cooling each power battery pack 9. This structural design is simple reliable, is convenient for control to be used for every battery package 9 coolant flow.
In order to ensure that the flow rate of the cooling liquid of each power battery pack 9 is the same, in the embodiment, the cooling liquid pipelines corresponding to the power battery packs 9 in each battery compartment 22 are arranged in parallel, and the position design of the water chilling unit 2 is combined, so that the cooling liquid enters from the inlet of the battery pack 18 at the bottommost layer of the battery compartment 22 and exits from the battery pack 19 at the topmost layer of the battery compartment to flow back to the water chilling unit 2; the cooling liquid pipeline arrangement adopting the parallel structure design is characterized in that cooling liquid enters from an inlet of a battery pack 18 at the bottommost layer of a battery compartment 22 and flows back to a water chilling unit 2 from a battery pack 19 at the topmost layer, so that the flowing resistance of the cooling liquid passing through each battery pack 9 can be effectively the same, the flow rate of the cooling liquid flowing through each battery pack 9 is ensured to be consistent, the cooling temperature uniformity of each layer of battery pack 9 is further ensured, the problem that the heat accumulation in the 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, the simple and reliable pipeline structure design is adopted, and the arrangement mode of the battery packs 9 is matched, so that the temperature uniformity among monomers of the battery packs 9 can be ensured while the reasonable design of the arrangement of the battery packs 9 is; the integrated power battery system of the high-power hybrid locomotive skillfully solves the technical problem that the temperature difference of the battery pack is large due to unreasonable layout of the integrated power battery system of the existing 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 regulating valve 17 is provided on each of the cooling water pipe branches 25 communicating with the cooling water main 24 to regulate the flow of the cooling liquid flowing into the first chamber 20 and the second chamber 21; therefore, the consistency of the flow of the cooling liquid flowing through each battery pack can be effectively avoided by arranging the temperature control valve in front of each battery pack, the manufacturing cost can be effectively reduced, the failure probability of equipment is reduced, the installation and the maintenance are convenient, and the uniformity of the temperature of each battery pack in single unit can be effectively ensured.
Example two
The second embodiment is substantially the same as the first embodiment, except that: please refer to fig. 1, fig. 4 and fig. 5, in the embodiment, an integrated power battery system of a high-power hybrid locomotive is provided, which makes full consideration for the fact that a power battery pack cannot bear a large load and needs to be conveniently installed and maintained, and a power battery pack 9 is installed and designed into a drawer type structure through a slide rail assembly 11; specifically, be provided with slide rail group in battery room 3 and constitute 11, slide rail group becomes 11 including slide rail 15 and slide 16, slide 16 welds on the steel construction 13 of battery room, slide rail 15 welds with the battery mounting panel 10 that sets up in battery package 9 bottom, so that battery package 9 can be taken out from battery room 3 side along with battery mounting panel 10, 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, have fine practicality in the practice.
In the embodiment, two sides of the battery pack 9 are connected with the battery mounting plate 10 through the detachable fastening assemblies 14, so that the power battery pack 9 is convenient to detach and mount, and has a simple structure and good flexibility; the detachable fastening component 14 can be a universal fastening component 14 in the prior art, and is not particularly limited thereto, and a person skilled in the art can make a targeted adjustment according to actual needs based on the existing threaded connection and snap connection, which is not described herein; further, in the embodiment, the steel structure 13 of the battery chamber is provided with the installation pulling plate 12, and the battery installation plate 10 is fixedly connected with the steel structure 13 of the battery chamber through the installation pulling plate 12; from top to bottom, battery mounting panel 10 can be taken out from power battery device 1 side in this embodiment, power battery package 9 passes through fastening components 14 to be installed on battery mounting panel 10, 11 battery mounting panel 10 is pushed into in the battery room 3 that corresponds battery compartment 22 to rethread slide rail constitution, it is fixed with battery mounting panel 10 and the steel construction 13 of battery room to utilize installation arm-tie 12 at last, this fixed mounting mode simple structure, can effectively guarantee the fail safe nature after the installation of power battery package 9 and guarantee whole power battery system's structural stability, be convenient for installation and later maintenance simultaneously.
In summary, the integrated power battery system of the embodiment adopts the layered layout design of the compartments of the battery pack 9 commonly used 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 stacking integration mode is cancelled and the integrated power battery system is applied to the existing high-power hybrid power locomotive, and the stability and the safety of the whole installation of the whole battery system can be effectively ensured; secondly, the cooling liquid pipelines corresponding to each power battery pack in the integrated power battery system provided by the embodiment are designed and arranged in a parallel structure, so that the flowing resistance of the cooling liquid passing through each battery pack can be effectively the same, the flow of the cooling liquid passing through each battery pack is ensured to be consistent, and the cooling temperature uniformity of each layer of battery pack is ensured; the integrated power battery system is used for solving 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 locomotive, and can remarkably prolong the service life and improve the performance of the integrated power battery system; and thirdly, the power battery packs are installed and designed into drawer type structures, and the power battery packs can be assembled and disassembled corresponding to the power battery packs, so that convenience in installation and maintenance of the power battery packs can be guaranteed, and the requirement for impact vibration can be met. From above, the integrated form power battery system that this embodiment provided has fine practicality and market using value in the practice, can show to improve its production efficiency, is fit for popularizing and applying.
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.
Claims (10)
1. The utility model provides a high-power hybrid vehicle integrated form power battery system which characterized in that: the water cooling system 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 cavity and a second cavity which are arranged side by side, the first cavity and the second cavity are respectively provided with a battery compartment and an equipment compartment in a partition manner, and the battery compartment and the equipment compartment in the first cavity and the second cavity are in oblique symmetrical arrangement; 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 a positive electrode high-voltage contact box, a negative electrode high-voltage contact box, a safe fire extinguishing system and low-voltage electrical equipment.
2. The integrated power battery system of high power hybrid locomotives according to claim 1, wherein: and the two power battery devices are arranged in a parallel structure.
3. The integrated power battery system of high power hybrid locomotives according to claim 2, wherein: the water chilling unit is arranged at the upper end of the power battery device corresponding to the water chilling unit.
4. The integrated power battery system of high power hybrid locomotives according to claim 3, wherein: the cooling liquid pipeline system comprises cooling water pipe branches and cooling liquid pipelines corresponding to the battery packs in the battery compartments one to one, the cooling liquid pipelines are communicated with the cooling water pipe branches, and the flow of the cooling water pipe branches in the first cavity and the second cavity is the same and is communicated with a cooling water pipe main at a liquid outlet of the water cooling unit.
5. The integrated power battery system of high power hybrid locomotives according to claim 4, wherein: the cooling liquid pipelines in each battery compartment are arranged in parallel, so that cooling liquid flows back to the water chilling unit from the inlet of the bottommost battery pack of the battery compartment and flows out of the topmost battery pack of the battery compartment.
6. The integrated power battery system of high power hybrid locomotives according to claim 5, 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 cavity and the second cavity.
7. The high power hybrid locomotive integrated power battery system according to any one of claims 2-6, wherein: the battery room is provided with a slide rail assembly, the slide rail assembly comprises a slide rail and a slide way, the slide way is welded on a steel structure of the battery room, and the slide rail is welded with a battery mounting plate arranged at the bottom of the battery pack so that the battery pack can be drawn out from the side face of the battery room along with the battery mounting plate.
8. The high power hybrid locomotive integrated power battery system of claim 7, wherein: the both sides of battery package through detachable fastening components with the battery mounting panel is connected.
9. The high power hybrid locomotive integrated power battery system of claim 8, wherein: and the steel structure of the battery chamber is provided with an installation pulling plate, and the battery installation plate is fixedly connected with the steel structure of the battery chamber through the installation pulling plate.
10. The integrated power battery system of high power hybrid locomotives according to claim 1, wherein: the equipment compartment is along four regions are arranged in the layering direction of battery package partition, from bottom to top are used for installing anodal high pressure contact box, negative pole high pressure contact box, safe fire extinguishing system and low pressure electrical equipment in proper order.
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