CN110696678A - Fork truck power battery modular integrated device - Google Patents
Fork truck power battery modular integrated device Download PDFInfo
- Publication number
- CN110696678A CN110696678A CN201910951241.7A CN201910951241A CN110696678A CN 110696678 A CN110696678 A CN 110696678A CN 201910951241 A CN201910951241 A CN 201910951241A CN 110696678 A CN110696678 A CN 110696678A
- Authority
- CN
- China
- Prior art keywords
- controller
- module
- cell module
- electric core
- battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052744 lithium Inorganic materials 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/0207—Wire harnesses
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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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
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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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4278—Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
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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
-
- 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
Abstract
The invention discloses an integrated device for modularization of a power battery of a forklift, which comprises: the battery comprises a controller assembly and a battery cell module assembly, wherein the controller assembly comprises a controller shell structural part, a display system wire harness, a controller low-voltage wire harness, a controller high-voltage wire harness, a BMS module and a DC-DC unit, and the display system wire harness, the controller low-voltage wire harness and the controller high-voltage wire harness are arranged on the outer side wall of the controller shell structural part; divide into two independent units of electric core module system assembly and control system assembly with fork truck power battery system, the control system assembly includes: BMS module, PRA relay system, inside high voltage bus, DC-DC unit, inside low pressure pencil and connector, outside high pressure pencil and connector and auxiliary function piece, the battery system of different voltage and energy demands is accomplished through the module system and the control system collocation of corresponding figure to avoid needing to develop a plurality of battery systems, reduce the expense and the human cost of development process.
Description
Technical Field
The invention relates to the technical field of power battery systems of electric forklifts, in particular to an integrated device for power battery modularization of a forklift.
Background
In the design of a power battery system of a forklift, the existing method is to use a corresponding integrated scheme for each type of forklift, and the system comprises a battery cell module system, a shell structural member system, a BMS control system, a PRA relay assembly system, a DC-DC unit, an auxiliary functional member, high and low voltage wire harnesses, a connector system and the like. A battery system corresponds fork truck of a model, to the fork truck project that a plurality of voltage and energy demand are different, just need develop a plurality of battery systems, and the expense and the human cost of total volume production development process are higher, and the cycle is longer. Therefore, it is necessary to design an integrated device for power battery modularization of the forklift.
Disclosure of Invention
The invention aims to provide an integrated device for power battery modularization of a forklift, so as to solve the problems mentioned in the background technology.
The invention is implemented by the following technical scheme: an integrated device for power battery modularization of a forklift truck, comprising: the controller assembly comprises a controller shell structure, a display system wire harness, a controller low-voltage wire harness, a controller high-voltage wire harness, a BMS module and a DC-DC unit, the outer side wall of the controller shell structure is provided with the display system wire harness, the controller low-voltage wire harness and the controller high-voltage wire harness, the BMS module and the DC-DC unit are arranged inside the controller shell structure, the electric core module assembly comprises an electric core module shell structure, an electric core module low-voltage wire harness, an electric core module high-voltage wire harness and an electric core module, the outer side wall of the electric core module shell structure is provided with the electric core module low-voltage wire harness and the electric core module high-voltage wire harness, and the electric core module is arranged inside the electric core module shell structure.
Furthermore, the outer side wall of the structural member of the controller shell is provided with controller fixing buckles, and the controller fixing buckles are provided with four groups.
Further, the lateral wall of electric core module casing structure is equipped with that electric core module is fixed to be detained, just electric core module is fixed to be detained and is set up four groups altogether.
Further, the battery cell module assembly is at least provided with one group, and the battery cell module assemblies are electrically connected in series through the battery cell module low-voltage wire harnesses.
Further, the plurality of groups of battery cell module assemblies are electrically connected in parallel with the controller assembly through the battery cell module high-voltage wire harness.
Further, the output voltage of the single battery cell module assembly is 48V direct current.
Further, the battery cell module is a ternary lithium battery module.
Further, the battery cell modules are arranged in four groups, and the battery cell modules are all located inside the battery cell module shell structure.
The invention has the beneficial effects that:
the invention divides a forklift power battery system into two independent units, namely a battery cell module system assembly and a control system assembly, wherein the battery cell module system assembly comprises: electric core module, casing structure system, inside high-voltage bus, inside low pressure pencil and connector, outside high-pressure pencil and connector and auxiliary function spare, the control system assembly includes: BMS module, PRA relay system, inside high voltage bus, DC-DC unit, inside low pressure pencil and connector, outside high pressure pencil and connector and auxiliary function piece, the battery system of different voltage and energy demands is accomplished through the module system and the control system collocation of corresponding figure to avoid needing to develop a plurality of battery systems, reduce the expense and the human cost of development process.
Based on the same two types of cell module systems and control assembly systems, the invention combines the same controller system by matching different numbers of module systems to achieve forklift projects suitable for different voltage platforms and energy requirements, and one system corresponds to system integration modules of a plurality of projects, thereby effectively reducing development cost and period.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the controller assembly of the present invention;
fig. 3 is a cross-sectional view of a cell module assembly of the present invention;
the parts in the drawings are marked as follows:
10. a controller assembly; 11. a controller housing structure; 111. a controller fixing buckle; 12. displaying a system wiring harness; 13. a controller low voltage wiring harness; 14. a controller high voltage wire harness; 15. a BMS module; 16. a DC-DC unit; 20. a battery cell module assembly; 21. a battery cell module shell structural member; 211. the battery cell module is fixed and buckled; 22. the battery cell module is used for low-voltage wiring harness; 23. the battery cell module is used for high-voltage wiring harness; 24. and a battery cell module.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and the present invention will be described in detail with reference to the accompanying drawings. The invention may be embodied in other different forms, i.e. it is capable of various modifications and changes without departing from the scope of the invention as disclosed.
Examples
As shown in fig. 1-3; an integrated device for power battery modularization of a forklift truck, comprising: a controller assembly 10 and a cell module assembly 20, wherein the controller assembly 10 comprises a controller housing structural member 11, a display system wiring harness 12, a controller low-voltage wiring harness 13, a controller high-voltage wiring harness 14, a BMS module 15 and a DC-DC unit 16, the outer side wall of the controller shell structural member 11 is provided with the display system wiring harness 12, the controller low-voltage wiring harness 13 and the controller high-voltage wiring harness 14, the BMS module 15 and the DC-DC unit 16 are provided inside the controller case structural member 11, the cell module assembly 20 includes a cell module casing structure 21, a cell module low voltage harness 22, a cell module high voltage harness 23, and a cell module 24, the lateral wall of electric core module casing structure 21 is equipped with electric core module low pressure pencil 22 with electric core module high pressure pencil 23, the internally mounted of electric core module casing structure 21 has electric core module 24.
The outer side wall of the controller shell structural member 11 is provided with controller fixing buckles 111, and the controller fixing buckles 111 are provided with four groups; the controller case structure 11 is fixed by the controller fixing buckle 111.
The outer side wall of the battery cell module shell structure member 21 is provided with battery cell module fixing buckles 211, and the battery cell module fixing buckles 211 are provided with four groups; the battery cell module casing structure 21 is fixed by the battery cell module fixing buckle 211.
The cell module assemblies 20 are at least arranged in one group, and a plurality of groups of the cell module assemblies 20 are electrically connected in series through the cell module low-voltage wiring harness 22; carry out the series connection through multiunit electricity core module subassembly 20, improve the voltage of battery power supply.
The plurality of sets of cell module assemblies 20 are electrically connected in parallel with the controller assembly 10 through the cell module high voltage wiring harness 23.
The output voltage of the single battery cell module assembly 20 is 48V direct current.
The cell module 24 is a ternary lithium battery module.
The battery cell modules 24 are provided with four groups, and the battery cell modules 24 are all located inside the battery cell module casing structure 21.
The working process and working principle of the invention are as follows: based on the same two types of cell module systems and control assembly systems, the same set of controller system is combined through different matching of the number of the module systems, so that forklift projects suitable for different voltage platforms and energy requirements are achieved, for example, forklift trucks of certain brands 1.5T and 3.0T models are combined, the voltage and energy requirements of battery system platforms are 48V/9KWh and 80V/18KWh respectively, a 2P12S module system unit (44.4V/9.1 KWh) can be combined by using a certain brand 102Ah and 1P6S ternary lithium battery module, wherein the 1.5T project is combined by using one module system unit and one controller system unit, the 3.0T project is combined by using two module unit systems and one controller system, and similar projects of other voltage platforms and energy requirements can be optimally matched through DC-DC direct current transformation output.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures made by using the contents of the specification and the drawings, or other related technical fields, are encompassed by the present invention.
Claims (8)
1. An integrated device for power battery modularization of a forklift, which is characterized by comprising: controller subassembly (10) and electric core module subassembly (20), controller subassembly (10) includes controller casing structure (11), display system pencil (12), controller low pressure pencil (13), controller high pressure pencil (14), BMS module (15) and DC-DC unit (16), the lateral wall of controller casing structure (11) is equipped with display system pencil (12), controller low pressure pencil (13) and controller high pressure pencil (14), the inside of controller casing structure (11) is equipped with BMS module (15) with DC-DC unit (16), electric core module subassembly (20) includes electric core module casing structure (21), electric core module low pressure pencil (22), electric core module high pressure pencil (23) and electric core module (24), the lateral wall of electric core module casing structure (21) is equipped with electric core module low pressure pencil (22) and electric core module high pressure pencil The pressing line bundle (23), the internally mounted of electricity core module casing structure (21) has electricity core module (24).
2. The integrated device of the power battery modularization of the forklift as recited in claim 1, wherein the controller fixing buckles (111) are arranged on the outer side wall of the controller housing structural member (11), and the controller fixing buckles (111) are arranged in four groups.
3. The integrated device of claim 1, wherein the cell module casing structure (21) has cell module fixing buckles (211) on its outer side wall, and the cell module fixing buckles (211) are provided in four groups.
4. The integrated device of claim 1, wherein at least one group of the cell module assemblies (20) is provided, and a plurality of groups of the cell module assemblies (20) are electrically connected in series through the cell module low-voltage wiring harnesses (22).
5. The integrated device of claim 1, wherein a plurality of groups of the cell module assemblies (20) are electrically connected in parallel with the controller assembly (10) through the cell module high voltage wiring harness (23).
6. The integrated device of claim 1, wherein the output voltage of each cell module assembly (20) is 48 vdc.
7. The integrated device of claim 1, wherein the cell modules (24) are ternary lithium battery modules.
8. The integrated forklift power battery modular device of claim 1, wherein the battery cell modules (24) are arranged in four groups, and the battery cell modules (24) are all located inside the battery cell module casing structural member (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910951241.7A CN110696678A (en) | 2019-10-08 | 2019-10-08 | Fork truck power battery modular integrated device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910951241.7A CN110696678A (en) | 2019-10-08 | 2019-10-08 | Fork truck power battery modular integrated device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110696678A true CN110696678A (en) | 2020-01-17 |
Family
ID=69198309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910951241.7A Pending CN110696678A (en) | 2019-10-08 | 2019-10-08 | Fork truck power battery modular integrated device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110696678A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202798052U (en) * | 2012-07-30 | 2013-03-13 | 比亚迪股份有限公司 | Power supply apparatus for fork truck |
| CN207353327U (en) * | 2017-09-05 | 2018-05-11 | 北汽银翔汽车有限公司 | A kind of new-energy automobile modular power lithium battery |
| CN209374612U (en) * | 2019-01-18 | 2019-09-10 | 合肥国轩高科动力能源有限公司 | A kind of electri forklift lithium-ion power battery system |
-
2019
- 2019-10-08 CN CN201910951241.7A patent/CN110696678A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202798052U (en) * | 2012-07-30 | 2013-03-13 | 比亚迪股份有限公司 | Power supply apparatus for fork truck |
| CN207353327U (en) * | 2017-09-05 | 2018-05-11 | 北汽银翔汽车有限公司 | A kind of new-energy automobile modular power lithium battery |
| CN209374612U (en) * | 2019-01-18 | 2019-09-10 | 合肥国轩高科动力能源有限公司 | A kind of electri forklift lithium-ion power battery system |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200117 |
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| RJ01 | Rejection of invention patent application after publication |