CN108054322B - Logistics vehicle battery box and logistics vehicle battery system - Google Patents
Logistics vehicle battery box and logistics vehicle battery system Download PDFInfo
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- CN108054322B CN108054322B CN201810028463.7A CN201810028463A CN108054322B CN 108054322 B CN108054322 B CN 108054322B CN 201810028463 A CN201810028463 A CN 201810028463A CN 108054322 B CN108054322 B CN 108054322B
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- 239000002184 metal Substances 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 6
- 230000004308 accommodation Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000009413 insulation Methods 0.000 description 4
- 238000010009 beating Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The embodiment of the invention relates to the field of batteries of electric vehicles, in particular to a battery box of a logistics vehicle and a battery system of the logistics vehicle. The logistics vehicle battery box is applied to a plurality of battery modules and comprises a first shell, a second shell, a lifting lug assembly, a cross beam, a plurality of fasteners and a plurality of connecting pieces. The first casing and the second casing lock are in order to form accommodation structure, and each fastener sets up in the inside of second casing in order to form the boss, and the crossbeam sets up in the inside of second casing to be located the bottom of second casing, the lug subassembly sets up in the outside of second casing, and each connecting piece sets up in the buckling department of first casing and second casing, in order to realize the detachable connection of first casing and second casing. This commodity circulation car battery box has improved the fixed effect to the battery module.
Description
Technical Field
The embodiment of the invention relates to the field of batteries of electric vehicles, in particular to a battery box of a logistics vehicle and a battery system of the logistics vehicle.
Background
The logistics vehicle battery box is an important part of the electric logistics vehicle and is used for storing a battery module for supplying power to the running of the electric logistics vehicle.
Most of the current commodity circulation car battery box is not good to the fixed effect of battery module, and when electric commodity circulation car operation, the shake that produces probably leads to appearing becoming flexible between battery module and the commodity circulation car battery box, and then influences electric motor car's normal operating.
Disclosure of Invention
In view of the above, the invention provides a battery box of a logistics vehicle and a battery system of the logistics vehicle, so as to solve the problem that the battery box of the conventional logistics vehicle has poor fixing effect on a battery module.
In order to achieve the above purpose, the embodiment of the present invention adopts the following technical scheme:
The embodiment of the invention provides a battery box body of a logistics vehicle, which is applied to a plurality of battery modules. The first shell is buckled with the second shell to form a containing structure, each fastener is arranged in the second shell to form a boss, the cross beam is arranged in the second shell and located at the bottom of the second shell, the lifting lug assembly is arranged outside the second shell, and each connecting piece is arranged at the buckling position of the first shell and the second shell to realize detachable connection of the first shell and the second shell.
Optionally, the second housing is square in shape, and the fastener includes a first fastener and a second fastener. The fastening pieces are arranged on the inner side walls of the second shell to form bosses, the bosses are integrally formed with the bottom of the second shell and the inner side walls, the cross beam is arranged in the second shell, is positioned in the center of the bottom and integrally formed with the bottom, two ends of the cross beam are fixedly connected with the first fastening piece and the second fastening piece respectively, and the first fastening piece is opposite to the second fastening piece.
Optionally, the fastener further includes a third fastener and a fourth fastener, the first fastener is disposed on a first inner side wall of the second housing to form a boss, and is integrally formed with the bottom and the first inner side wall, the second fastener is disposed on a second inner side wall of the second housing to form a boss, and is integrally formed with the bottom and the second inner side wall, the third fastener is disposed on a third inner side wall of the second housing to form a boss, and is integrally formed with the bottom and the third inner side wall, the third fastener is disposed at one ends of the first fastener and the second fastener, the fourth fastener is disposed on a fourth inner side wall of the second housing to form a boss, and is integrally formed with the bottom and the fourth inner side wall, and the fourth fastener is disposed at one ends of the first fastener and the second fastener away from the third fastener. The fourth fastener is opposite the third fastener.
Optionally, the logistics vehicle battery box further comprises an inner container piece, the size of the inner container piece is matched with the size of the bottom, and the inner container piece is arranged at the bottom and located between the bottom and each fastener.
Optionally, the logistics car battery box further comprises an L-shaped fastener. The L-shaped fastener is arranged inside the second shell and fixedly connected with the bottom, the first fastener and the fourth fastener to form an accommodating cavity.
Optionally, a plurality of through holes for fixing the plurality of battery modules are formed in one side of each fastener away from the bottom.
Optionally, the lifting lug assembly comprises two lifting lug bodies and a lifting lug connection sheet metal. The lifting lug bodies are respectively arranged on the third outer side wall and the fourth outer side wall of the second shell, the lifting lug connection metal plate is positioned outside the second shell and fixedly connected to the bottom of the second shell, and the lifting lug bodies are fixedly connected with the lifting lug connection metal plate.
Optionally, the lifting lug body is provided with a plurality of lifting lug holes, and each lifting lug hole is provided with a steel sleeve.
The embodiment of the invention also provides a logistics vehicle battery system, which comprises a plurality of battery modules and the logistics vehicle battery box body. Wherein, each battery module is arranged in the accommodating structure.
Optionally, the logistics car battery pack system further comprises a plurality of fastening devices, and the logistics car battery box comprises a plurality of fasteners. The battery modules are fixedly connected with each other to form a battery assembly, the battery assembly is arranged on the accommodating structure and is attached to the fasteners, and the fastening devices are arranged between the battery assembly and the fasteners to realize the fixed connection of the battery assembly and the fasteners.
According to the logistics vehicle battery box and the logistics vehicle battery system provided by the embodiment of the invention, each fastener is arranged in the second shell to form a boss. The ladder layer structure that boss and second casing formed can fix battery module better, and the crossbeam can be spacing to battery module, avoids the module to slide in the second casing, has improved commodity circulation car battery box to battery module's fixed effect.
Further, according to the battery box body of the logistics vehicle, provided by the embodiment of the invention, each fastener and the second shell are integrally formed by stamping through metal plates, so that the structural strength of the battery box body of the whole logistics vehicle is improved, and meanwhile, the weight is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a battery box of a logistics vehicle according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a second housing according to an embodiment of the present invention.
Fig. 3 is a schematic view of a first view of a second housing according to an embodiment of the invention.
Fig. 4 is a schematic view of a second housing according to an embodiment of the invention.
Fig. 5 is an exploded schematic diagram of a battery system of a logistics vehicle according to an embodiment of the present invention.
Icon: 100-a battery box body of the logistics vehicle; 200-a logistics vehicle battery system; 1-a first housing; 2-a second housing; 21-a first inner sidewall; 24-fourth inner side wall; 3-lifting lug assembly; 31-the lifting lug is connected with a metal plate; 32-lifting lug body; 321-hanging lug holes; 322-steel sleeve; 4-a cross beam; 5-fastening; 51-a first fastener; 52-a second fastener; 53-a third fastener; 54-fourth fastener; 55-L type fasteners; a 6-connector; 7-inner container pieces; 8-a battery module; 81-battery management means; 82-power on/off device; 83-explosion-proof device; 84-fastening rows.
Detailed Description
Most of the current commodity circulation car battery box is not good to the fixed effect of battery module, and when electric commodity circulation car operation, the shake that produces probably leads to appearing becoming flexible between battery module and the commodity circulation car battery box, and then influences electric motor car's normal operating.
Based on the above researches, the embodiment of the invention provides a logistics vehicle battery box and a logistics vehicle battery system, which are used for solving the problem that the conventional logistics vehicle battery box has poor fixing effect on a battery module.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Fig. 1 shows a schematic structural diagram of a battery box 100 of a logistics vehicle according to an embodiment of the present invention. As can be seen, the logistics car battery box 100 comprises a first housing 1, a second housing 2, a lifting lug assembly 3, a cross beam 4, a plurality of fasteners 5 and a plurality of connectors 6.
Wherein, the first housing 1 and the second housing 2 are buckled to form a receiving structure, which can be used for storing the battery module. Each fastener 5 is disposed inside the second housing 2 to form a boss, and the cross beam 4 is disposed inside the second housing 2 and is located at the bottom of the second housing 2. The shackle assembly 3 is provided outside the second housing 2. Each connecting piece 6 is arranged at the buckling part of the first shell 1 and the second shell 2 so as to realize detachable connection of the first shell 1 and the second shell 2.
Referring to fig. 1, in the present embodiment, the first housing 1 and the second housing 2 may have a square shape, and the first housing 1 and the second housing 2 are buckled to form a cuboid box structure. Wherein, the buckling department of first casing 1 and second casing 2 is provided with a plurality of connecting holes, and the quantity of connecting hole and the quantity looks adaptation of connecting piece 6, the internal diameter of connecting hole and the external diameter looks adaptation of connecting piece 6, optionally, connecting piece 6 is the nut, and each nut sets up in each connecting hole to realize the detachable connection of first casing 1 and second casing 2.
Fig. 2 shows a schematic structural diagram of a second housing according to an embodiment of the present invention, and it can be seen that each fastener is disposed on the second housing, where the fasteners include a first fastener 51, a second fastener, a third fastener, and a fourth fastener 54. Alternatively, the first and second fasteners 51 and 54 may be long beams and the third and fourth fasteners may be short beams.
With continued reference to fig. 2, the first fastening member 51 is disposed on the first inner sidewall 21 of the second housing to form a boss, and is integrally formed with the first inner sidewall 21 and the bottom of the second housing, respectively. The second fastening member is disposed on the second inner sidewall to form a boss, and is integrally formed with the second inner sidewall and the bottom of the second housing, respectively, as can be seen from the figure, the first inner sidewall 21 is opposite to the second inner sidewall, and accordingly, the first fastening member 51 is opposite to the second fastening member.
With continued reference to fig. 2, the third fastening member is disposed on the third inner sidewall of the second housing to form a boss, and is integrally formed with the third inner sidewall and the bottom of the second housing, respectively, and the third fastening member is disposed at one end of the first fastening member 51 and one end of the second fastening member. The fourth fastening piece 54 is disposed on the fourth inner sidewall of the second housing to form a boss, and is integrally formed with the fourth inner sidewall and the bottom of the second housing, respectively, where the fourth fastening piece 54 is located at one end of the first fastening piece 51 and the second fastening piece, which is far away from the third fastening piece, and the fourth fastening piece 54 is opposite to the third fastening piece.
With continued reference to fig. 2, the battery box of the logistics vehicle further includes a liner sheet 7, the size of the liner sheet 7 is adapted to the size of the bottom of the second housing, the liner sheet 7 is disposed at the bottom of the second housing, and the liner sheet 7 is located between the bottom of the second housing and each fastener for cooling and heat insulation of the battery module.
With continued reference to fig. 2, the cross beam 4 is disposed inside the second housing, integrally formed with the second housing, and located in the center of the bottom of the second housing, and the cross beam 4 is fixedly connected with the first fastener 51 and the second fastener respectively. So set up, first fastener 51, the second fastener, third fastener and fourth fastener 54 have formed rectangular boss in the inside of second casing, and the boss forms ladder lamellar structure with the second casing, and battery module can set up in second casing bottom, and battery module's edge can laminate and fix with each boss, can increase stability, and battery module's bottom and crossbeam laminating can avoid battery module's slip.
With continued reference to fig. 2, the battery box of the logistics vehicle further includes an L-shaped fastener 55, where the L-shaped fastener 55 is disposed inside the second housing and is fixedly connected with the bottom of the second housing, the first fastener 51 and the fourth fastener to form a receiving cavity, and the receiving cavity is used for storing the power supply opening and closing device.
Optionally, the above-mentioned integrated into one piece mode can adopt panel beating punching press integrated into one piece, and this setting can increase the structural strength of second casing and reduce the weight of second casing.
With continued reference to fig. 2, the battery box of the logistics vehicle further includes a plurality of fastening devices, in this embodiment, the fastening devices are insulation nuts, a plurality of through holes for fixing the battery module are provided on one side of the first fastener 51, the second fastener, the third fastener, the fourth fastener 54 and the L-shaped fastener 55 away from the bottom of the second housing, it can be understood that one side of each fastener away from the bottom of the second housing is a boss table surface, when the battery module is disposed in the second housing, the edge of the battery module is attached to the boss of each fastener, and the insulation nuts can be sleeved on each through hole, so as to fix the edge of the battery module, thereby fixing the battery module.
Fig. 3 shows a first view of a second housing according to an embodiment of the present invention, and it can be seen that the shackle assembly includes a shackle connection metal plate 31 and two shackle bodies 32. Each lug body 32 sets up respectively in the third lateral wall and the fourth lateral wall of second casing, and lug connection panel beating 31 is located the outside of second casing to fixed connection in the bottom of second casing, in this embodiment, lug connection panel beating 31 can adopt punching press integrated into one piece's mode fixed connection in the bottom of second casing. Each lifting lug body 32 is fixedly connected with the lifting lug connection metal plate 31. Each lifting lug body is provided with a plurality of lifting lug holes 321 for connecting the second shell with other parts of the electric vehicle.
Fig. 4 shows a schematic view of a second housing according to an embodiment of the present invention, where each shackle hole is provided with a steel sleeve 322, and the steel sleeve 322 enhances the structural strength of the shackle body 32.
Referring to fig. 5, a schematic structural diagram of a logistics vehicle battery system 200 according to an embodiment of the present invention is provided, and as can be seen from the figure, the logistics vehicle battery system 200 includes a logistics vehicle battery box, a battery module 8, a battery management device 81, a power supply opening and closing device 82 and an explosion-proof device 83. Wherein, battery module 8 is a plurality of, and each battery module is fixed connection each other in order to form battery module, and battery module sets up in the accommodation structure that first casing 1 and second casing 2 lock formed. The battery system 200 of the logistics vehicle further comprises a fastening row 84, the fastening row 84 is arranged on the first side surface and the second side surface of the battery assembly, when the battery assembly is arranged in the accommodating structure, the fastening row 84 is respectively attached to the third fastening piece 53, the fourth fastening piece and the L-shaped fastening piece 55, holes formed in the fastening row 84 correspond to through holes formed in the third fastening piece 53, the fourth fastening piece and the L-shaped fastening piece 55, and each fastening device is arranged in each hole formed in the fastening row 84 and each through hole formed in the third fastening piece 53, the fourth fastening piece and the L-shaped fastening piece 55, so that the battery assembly is fixed in the second shell 2, and further the battery module 8 is fixed in the accommodating structure.
With continued reference to fig. 5, the power supply opening and closing device 82 is disposed in the accommodating cavity formed by the L-shaped fastener 55 and the first and fourth fasteners and is located at the first side of the battery assembly, the power supply opening and closing device 82 is electrically connected to the battery assembly, and the functions of the power supply opening and closing device 82 are mainly to cut off and close the main circuit and the pre-charging circuit, so as to switch and control on and off of the main circuit and the pre-charging circuit; and collecting instantaneous current in the charging and discharging process so as to judge the charging and discharging state. The battery management device 81 is disposed on a first side of the battery assembly and is located at a position of the battery assembly away from the power supply opening and closing device 82, and functions of the battery management device 81 are mainly to detect parameters such as voltage, current and temperature of the battery in real time and control the parameters to be always in an allowable working parameter range, and meanwhile, continuously measure insulation resistance of the battery system, and the battery management device 81 communicates with a vehicle controller, a charger and the like in real time through a bus to warn of state of charge (SOC) and faults. The explosion-proof device 83 is disposed in the first housing 1, and the explosion-proof device 83 can timely release the excessive air pressure in the battery pack and prevent explosion caused by the rapidly increased pressure in the battery pack during thermal instability.
In summary, the logistics vehicle battery box and the logistics vehicle battery system provided by the embodiment of the invention are skillfully designed in structure, the integrated formation of the plurality of fasteners and the second shell provides space for the arrangement and stability of the battery module, the cross beam can be matched with the battery module, the battery module is prevented from sliding in the logistics vehicle battery box, and the logistics vehicle battery box can well fix the battery module.
Further, the relevant structure body of the logistics vehicle battery box adopts sheet metal stamping integrated into one piece, so that the lightweight of the logistics vehicle battery box is realized, and the structural strength is ensured.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The logistics vehicle battery box body is applied to a plurality of battery modules and is characterized by comprising a first shell, a second shell, a lifting lug assembly, a cross beam, a plurality of fasteners and a plurality of connecting pieces;
the first shell and the second shell are buckled to form a containing structure;
Each fastener is arranged inside the second shell to form a boss; the cross beam is arranged in the second shell and is positioned at the bottom of the second shell;
The lifting lug assembly is arranged outside the second shell;
Each connecting piece is arranged at the buckling part of the first shell and the second shell so as to realize detachable connection of the first shell and the second shell;
the second shell is square in shape, and the fastening pieces comprise a first fastening piece and a second fastening piece;
Each fastener is arranged on each inner side wall of the second shell to form a boss, and is integrally formed with the bottom of the second shell and each inner side wall;
the cross beam is arranged in the second shell, is positioned in the center of the bottom and is integrally formed with the bottom;
the two ends of the cross beam are respectively fixedly connected with the first fastening piece and the second fastening piece, and the first fastening piece is opposite to the second fastening piece;
the fasteners further include a third fastener and a fourth fastener;
the first fastener is arranged on the first inner side wall of the second shell to form a boss, and is integrally formed with the bottom and the first inner side wall;
the second fastening piece is arranged on the second inner side wall of the second shell to form a boss, and is integrally formed with the bottom and the second inner side wall;
the third fastening piece is arranged on the third inner side wall of the second shell to form a boss, and is integrally formed with the bottom and the third inner side wall, and the third fastening piece is positioned at one end of the first fastening piece and one end of the second fastening piece;
the fourth fastening piece is arranged on the fourth inner side wall of the second shell to form a boss, and is integrally formed with the bottom and the fourth inner side wall, and the fourth fastening piece is positioned at one end of the first fastening piece and one end of the second fastening piece, which are far away from the third fastening piece; the fourth fastener is opposite to the third fastener;
the logistics vehicle battery box body further comprises an L-shaped fastener;
The L-shaped fastener is arranged in the second shell and fixedly connected with the bottom, the first fastener and the fourth fastener to form a containing cavity;
the accommodating cavity is used for storing the power supply opening and closing device;
The battery module comprises a first shell, a second shell, a plurality of battery modules, a plurality of fastening rows, a plurality of through holes, a plurality of fastening devices, a plurality of through holes, a plurality of fastening rows, a plurality of L-shaped fasteners, a plurality of fastening devices, a plurality of through holes and a plurality of through holes, wherein the battery modules are fixedly connected with each other to form a battery module, the battery module is arranged in an accommodating structure formed by the first shell and the second shell in a fastening mode, the first side and the second side of the battery module are provided with fastening rows, when the battery module is arranged in the accommodating structure, the fastening rows are respectively attached to the third fastener, the fourth fastener and the L-shaped fastener, the holes formed by the fastening rows are corresponding to the through holes formed by the third fastener, the fourth fastener and the through holes formed by the L-shaped fasteners, and the battery module is fixed in the accommodating structure.
2. The logistics vehicular battery box of claim 1, further comprising a liner piece, the liner piece being sized to fit the size of the bottom;
the liner sheet is arranged at the bottom and is positioned between the bottom and each fastener.
3. The battery box of the logistics vehicle of claim 1, wherein a plurality of through holes for fixing the plurality of battery modules are formed in one side of each fastener away from the bottom.
4. The logistics vehicular battery box of claim 1, wherein the shackle assembly comprises two shackle bodies and a shackle connecting sheet metal;
each lifting lug body is respectively arranged on the third outer side wall and the fourth outer side wall of the second shell;
The lifting lug connecting sheet metal is positioned outside the second shell and fixedly connected to the bottom of the second shell;
Each lifting lug body is fixedly connected with the lifting lug connecting metal plate.
5. The logistics vehicular battery box of claim 4, wherein the shackle body is provided with a plurality of shackle holes, each shackle hole being provided with a steel sleeve.
6. A logistics car battery system, comprising:
a battery box for a logistics vehicle according to any one of claims 1 to 5;
A plurality of battery modules;
Each battery module is arranged on the accommodating structure.
7. The logistics vehicular battery system of claim 6, further comprising a plurality of fastening devices, the logistics vehicular battery housing comprising a plurality of fasteners;
the battery modules are fixedly connected with each other to form a battery assembly;
the battery assembly is arranged on the accommodating structure and is attached to each fastener, and each fastening device is arranged between the battery assembly and each fastener so as to realize the fixed connection of the battery assembly and each fastener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810028463.7A CN108054322B (en) | 2018-01-11 | Logistics vehicle battery box and logistics vehicle battery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810028463.7A CN108054322B (en) | 2018-01-11 | Logistics vehicle battery box and logistics vehicle battery system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108054322A CN108054322A (en) | 2018-05-18 |
| CN108054322B true CN108054322B (en) | 2024-07-02 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206849886U (en) * | 2017-04-28 | 2018-01-05 | 安徽天鑫能源科技有限公司 | A kind of battery of electric vehicle bag body structure |
| CN207800697U (en) * | 2018-01-11 | 2018-08-31 | 华霆（合肥）动力技术有限公司 | Logistic car Battery case and logistic car battery system |
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206849886U (en) * | 2017-04-28 | 2018-01-05 | 安徽天鑫能源科技有限公司 | A kind of battery of electric vehicle bag body structure |
| CN207800697U (en) * | 2018-01-11 | 2018-08-31 | 华霆（合肥）动力技术有限公司 | Logistic car Battery case and logistic car battery system |
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