CN108162788B - Logistics vehicle high-voltage box and logistics vehicle battery pack - Google Patents
Logistics vehicle high-voltage box and logistics vehicle battery pack Download PDFInfo
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- CN108162788B CN108162788B CN201810028465.6A CN201810028465A CN108162788B CN 108162788 B CN108162788 B CN 108162788B CN 201810028465 A CN201810028465 A CN 201810028465A CN 108162788 B CN108162788 B CN 108162788B
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- 238000010438 heat treatment Methods 0.000 claims abstract description 61
- 229910000831 Steel Inorganic materials 0.000 claims description 8
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- 230000010354 integration Effects 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 6
- 239000004677 Nylon Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
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- 238000004891 communication Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
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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
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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
- H01M10/44—Methods for charging or discharging
- H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The embodiment of the invention relates to the field of new energy batteries, in particular to a logistics vehicle high-voltage box and a logistics vehicle battery pack. The logistics vehicle high-voltage box comprises an upper cover, a base, a positive relay, a negative relay, a main fuse, a pre-charging component, a heating component, a current sensor and a high-voltage connecting component, wherein the positive relay and the negative relay are arranged in the center of the base, the heating component is arranged between the positive relay and the negative relay, the main fuse is arranged on one side of the negative relay, and the pre-charging component is arranged on one side of the positive relay; the current sensor is arranged at the right upper part of the base, and the high-voltage connecting component, the main fuse wire, the positive relay, the current sensor and the negative relay are electrically connected; the pre-charging assembly and the heating assembly are electrically connected with the high-voltage connecting assembly, and the upper cover is detachably connected with the base. The logistics vehicle high-voltage box is high in integration level, and space occupation is reduced.
Description
Technical Field
The embodiment of the invention relates to the field of new energy batteries, in particular to a logistics vehicle high-voltage box and a logistics vehicle battery pack.
Background
The high voltage box (Battery Disconnect Unit, BDU) is an important component of the logistics car battery pack for charging and discharging the battery pack.
Most of the existing high-voltage boxes are low in integration level, and occupy a large space.
Disclosure of Invention
In view of the above, the invention provides a high-voltage box of a logistics vehicle and a battery pack of the logistics vehicle, so as to solve the problems of low integration level and large occupied space of the existing high-voltage box.
To achieve the above object, an embodiment of the present invention provides a high-pressure box for a logistics vehicle, including: upper cover, base, positive relay, negative relay, main fuse, pre-charge assembly, heating element, current sensor and high voltage connection subassembly. The positive relay with the negative relay set up in base central authorities, heating element set up in the base and be located positive relay with between the negative relay, the main fuse set up in the base be close to the position of positive relay and keeping away from negative relay one side, the precharge subassembly set up in the base be close to the position of positive relay with the main fuse, the current sensor set up in the base be close to the position of negative relay with precharge resistor. The high-voltage connecting assembly is electrically connected with the main fuse, and the main fuse is electrically connected with the positive relay; the high-voltage connecting assembly is electrically connected with the current sensor, the current sensor is electrically connected with the negative relay, the pre-charging assembly is electrically connected with the high-voltage connecting assembly, the heating assembly is electrically connected with the high-voltage connecting assembly, and the upper cover is detachably connected with the base.
Optionally, the high voltage connection assembly includes a positive high voltage connection and a negative high voltage connection. The positive high-voltage connecting piece with main fuse electric connection, main fuse with positive relay electric connection, negative high-voltage connecting piece with current sensor electric connection, current sensor with negative relay electric connection, pre-charge subassembly with positive high-voltage connecting piece electric connection, pre-charge subassembly with negative high-voltage connecting piece electric connection, heating element with positive high-voltage connecting piece electric connection, heating element with negative high-voltage connecting piece electric connection.
Optionally, the pre-charging assembly includes a pre-charging resistor and a pre-charging relay. The pre-charging relay is arranged on the base and located between the positive relay and the negative relay, and the pre-charging resistor is arranged on the base and close to the pre-charging relay and far away from the positions of the positive relay and the negative relay. The pre-charging resistor is electrically connected with the pre-charging relay, the pre-charging resistor is electrically connected with the positive high-voltage connecting piece, and the pre-charging relay is electrically connected with the negative high-voltage connecting piece.
Optionally, the heating assembly includes a heating fuse and a heating relay. The heating relay is arranged on the base and is positioned among the pre-charging relay, the positive relay and the negative relay, and the heating fuse is arranged between the heating relay and the negative relay. The heating fuse is electrically connected with the heating relay, the heating fuse is electrically connected with the positive high-voltage connecting piece, and the heating relay is electrically connected with the negative high-voltage connecting piece.
Optionally, the upper cover is provided with a plurality of buckle spare, the base is provided with a plurality of buckle grooves, buckle spare with the quantity in buckle groove is the same. Each buckle piece is arranged in each buckle groove.
Optionally, the base is provided with a main fuse mounting groove. The main fuse is arranged in the main fuse mounting groove.
Optionally, the base is provided with the electrical component mounting groove, the positive relay with the negative relay set up in electrical component mounting groove central authorities, heating element set up in the electrical component mounting groove and be located the positive relay with between the negative relay, the precharge component set up in the electrical component mounting groove be close to the position of positive relay with the main fuse, the current sensor set up in the electrical component mounting groove be close to the position of negative relay with precharge resistor.
Optionally, the base is provided with a positive input, a positive output, a negative input and a negative output. The positive input end is located at the position of the base, which is close to the main fuse, the positive output end is located at the position of the base, which is close to the negative relay, the negative input end is located at the position of the base, which is close to the current sensor, and the negative output end is located at the position of the base, which is close to the negative relay and the positive output end. The positive input end is electrically connected with the main fuse, the positive input end is electrically connected with the pre-charging resistor, the positive input end is electrically connected with the heating fuse, the negative input end is electrically connected with the current sensor, the negative input end is electrically connected with the pre-charging relay, and the negative input end is electrically connected with the heating relay.
The embodiment of the invention also provides a battery pack of the logistics vehicle, which comprises a battery pack box body, a battery module and the logistics vehicle high-voltage box. The battery pack box is internally provided with a cavity, the battery module and the logistics car high-voltage box are arranged in the cavity, and the battery module is electrically connected with the logistics car high-voltage box.
Optionally, the logistics car high-pressure box comprises a base. The base is provided with a plurality of steel sleeves, and each steel sleeve is arranged in the cavity and fixedly connected with the battery box body.
According to the logistics vehicle high-voltage box and the logistics vehicle battery pack, the positive relay, the negative relay, the main fuse, the pre-charging assembly, the heating assembly and the current sensor are fixed on the base and are electrically connected with the high-voltage connecting assembly through a certain connection mode, so that the integration level of the logistics vehicle high-voltage box is improved, and the occupation of space is reduced.
Further, the positive relay, the negative relay, the main fuse, the pre-charging assembly, the heating assembly and the current sensor are high in independence and convenient to maintain.
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 high-pressure box of a logistics vehicle according to an embodiment of the present invention.
Fig. 2 is a schematic view of a first perspective view of a base with an electrical component according to an embodiment of the present invention.
Fig. 3 is an explosion schematic diagram of a high-pressure box of a logistics vehicle according to an embodiment of the present invention.
Fig.4 is a schematic view of a second perspective view of a base according to an embodiment of the invention.
Fig. 5 is a schematic structural diagram of a battery pack of a logistics vehicle according to an embodiment of the present invention.
Icon: 100-a logistics vehicle high-pressure box; 200-logistics vehicle battery pack; 1-an upper cover; 2-a base; 21-a main fuse mounting groove; 211-embedding bolts at the positive input end; 212-embedding bolts at the positive output end; 221-embedding bolts at the negative input end; 222-embedding bolts at the negative output end; 23-an electrical component mounting groove; 24-steel sleeve; 25-a buckling groove; 26-precharge resistor terminal slots; 31-a main fuse; 32-heating the fuse; 41-positive relay; 42-negative relay; 43-heating relay; 44-pre-charging relay; a 5-current sensor; 6-pre-charging the resistor; 71-positive high voltage connection; 711-positive input; 712-positive output; 72-negative high pressure connection; 721-negative input; 722-a negative output terminal; 8-battery pack case.
Detailed Description
The research shows that most of the existing high-voltage boxes are low in integration level, and occupy a large space.
The above prior art solutions have all the drawbacks that the inventors have obtained after practice and careful study, and thus the discovery process of the above problems and the solutions presented below by the embodiments of the present invention for the above problems should be all contributions to the present invention by the inventors during the present invention.
Based on the above researches, the embodiment of the invention provides a logistics vehicle high-voltage box and a logistics vehicle battery pack, so as to solve the problems that most of the existing high-voltage boxes are low in integration level and large in occupied space.
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 high-voltage box 100 for a logistics vehicle, which is provided by the embodiment of the invention, and as can be seen from the figure, the high-voltage box 100 for a logistics vehicle comprises an upper cover 1, a base 2 and a plurality of electrical components, wherein the plurality of electrical components are arranged on the base 2, and the upper cover 1 is detachably connected with the base 2.
Referring to fig. 2 in combination, a schematic structural diagram of a base with electrical components is provided in an embodiment of the present invention, and as can be seen from fig. 2, the electrical components include a main fuse 31, a heating fuse 32, a positive relay 41, a negative relay 42, a heating relay 43, a pre-charging relay 44, a current sensor 5, a pre-charging resistor 6, a positive high voltage connection 71 and a negative high voltage connection 72. Wherein, heating fuse 32 and heating relay 43 constitute heating element, and pre-charge relay 44 and pre-charge resistor 6 constitute pre-charge element.
With continued reference to fig. 2, it can be seen that the positive relay 41 and the negative relay 42 are disposed at the center of the base, the heating relay 43 is disposed between the positive relay 41 and the negative relay 42, and the heating fuse 32 is disposed between the heating relay 43 and the negative relay 42. As can be seen from fig. 2, the main fuse 31 is disposed on one side of the base, which is close to the positive relay 41 and far away from the negative relay 42, the main fuse 31 is disposed on the base and located on the left side of the positive relay 41, the pre-charge relay 44 is disposed on the base and located above the heating relay 43, the pre-charge resistor 6 is disposed on the base and located above the pre-charge relay 44, and the current sensor 5 is disposed on the base at a position close to the pre-charge relay 44, the pre-charge resistor 6 and the negative relay 42, and in this embodiment, the current sensor 5 is disposed on the right upper side of the base.
With continued reference to fig. 2, the positive high voltage connection 71 and the negative high voltage connection 72 form a high voltage connection assembly. The base is further provided with a positive input 711 and a positive output 712, and the negative high voltage connection 72 is provided with a negative input 721 and a negative output 722. The positive input terminal 711 is located at a position where the base is close to the main fuse 31, the positive output terminal 712 is located at a position where the base is close to the negative relay 42, the negative input terminal 721 is located at a position where the base is close to the current sensor 5, and the negative output terminal 722 is located at a position where the base is close to the negative relay 42 and the positive output terminal 712.
The positive input terminal 711 is electrically connected to the main fuse 31, the positive high-voltage connection member 71 is electrically connected to the main fuse 31, and the main fuse 31 is electrically connected to the positive relay 41, which can be understood that the positive input terminal 711, the positive input terminal 712, the positive high-voltage connection member 71, the main fuse 31, and the positive relay 41 form a positive circuit, where the positive circuit direction may be: a positive input 711, a main fuse 31, a positive relay 41, and a positive output 712.
Similarly, the negative input end 721, the negative output end 722, the negative high voltage connection member 72, the current sensor 5, and the negative relay form a negative circuit, wherein the trend of the negative circuit may be as follows: a negative input 721, a current sensor 5, a negative relay 42, a negative output 722.
Further, the heating relay 43 and the heating fuse 32 are electrically connected, and two ends of the heating element formed by the two are respectively electrically connected to the positive input terminal 711 and the negative input terminal 721, in this embodiment, the heating fuse 32 is electrically connected to the positive input terminal 711, and the heating relay 43 is electrically connected to the negative input terminal 721.
Further, the pre-charge relay 44 and the pre-charge resistor 6 are electrically connected, and two ends of the pre-charge component formed by the two are respectively electrically connected with the positive input terminal 711 and the negative input terminal 721, in this embodiment, the pre-charge resistor 6 is electrically connected with the positive input terminal 711, and the pre-charge relay 44 is electrically connected with the negative input terminal 721.
It can be appreciated that the positive circuit, the negative circuit and the external battery module form a main circuit, the heating assembly and the pre-charging assembly are respectively connected in parallel to the main circuit, so that the integration level of the high-voltage box of the logistics vehicle is high, the independence is strong, the main circuit, the heating circuit and the pre-charging circuit can be respectively closed or cut off, and the positive output end 712 and the negative output end 722 can be electrically connected with the interface of the external battery module so as to realize the charge and discharge of the external battery module.
Fig. 3 shows an exploded schematic view of a high-voltage box 100 for a logistics vehicle according to an embodiment of the present invention, and it can be seen that each electrical component is combined by a certain mechanical and electrical connection manner and can be just placed in each mounting portion of the base 2, and each mounting portion of the base 2 will be described below, referring to fig. 4, which is a second view schematic view of the base according to an embodiment of the present invention. As can be seen from the figure, the base is provided with a plurality of fastening slots 25, please refer to fig. 3 in combination, the upper cover 1 is provided with a plurality of fastening members, wherein the number of the fastening members is the same as that of the fastening slots, and each fastening member is disposed in each fastening slot 25, so as to realize detachable connection of the upper cover 1 and the base 2, and thus the arrangement can meet the requirement of mechanical stability, and is easy to detach and maintain.
With continued reference to fig. 4, the base is also provided with a main fuse mounting groove 21 for receiving a main fuse. Optionally, the base is further provided with a positive input end pre-buried bolt 211, a positive output end pre-buried bolt 212, a negative input end pre-buried bolt 221 and a negative output end pre-buried bolt 222, each pre-buried bolt being used for fixing each port, for example, the positive input end pre-buried bolt 211 being used for fixing the positive input end 711 in fig. 2.
Referring to fig. 4, it can be seen that the base is further provided with an electrical component mounting groove 23 for placing each electrical component, for example, the heating fuse 32, the positive relay 41, the negative relay 42, the heating relay 43, the pre-charging relay 44 and the current sensor 5 in fig. 2 are disposed in the electrical component mounting groove 23 according to the relative positions described above, so that the structural stability of each electrical component is increased and the space utilization of the base is increased. Optionally, the base is also provided with a precharge resistor sub-slot 26 for placement of the precharge resistor 6 of fig. 2.
With continued reference to fig. 4, the base is further provided with a plurality of steel sleeves 24, and the plurality of steel sleeves 24 can realize the fixed connection between the high-voltage box of the logistics vehicle and the battery pack of the logistics vehicle.
Referring to fig. 5, a schematic structural diagram of a logistics vehicle battery pack 200 according to an embodiment of the present invention is provided, and as can be seen from the figure, the logistics vehicle battery pack 200 includes a battery pack case 8, a battery module and the logistics vehicle high voltage box, wherein a cavity is formed in the battery pack case 8, the battery module and the logistics vehicle high voltage box are disposed in the cavity, and the battery module is electrically connected with the logistics vehicle high voltage box. Alternatively, the steel sleeve provided by the base in fig. 4 is fixedly connected to the inside of the electric box 8in fig. 5.
Optionally, the base and the upper cover are integrally formed by adopting nylon and wave fiber composite material plastic molds, so that the base and the upper cover have high strength, high temperature resistance and ageing resistance, and the requirements of the use environment are ensured.
In summary, the logistics vehicle high-voltage box and the logistics vehicle battery pack provided by the embodiment of the invention have the advantages that the structure is skillfully designed, so that the high-density integration and the base of each electric component are realized, the integration level of the whole logistics vehicle high-voltage box is improved, and the occupation of the logistics vehicle high-voltage box to the logistics vehicle battery pack space is reduced.
Further, each electrical component has strong independence and is convenient to maintain.
Further, the base and the upper cover are integrally formed by adopting nylon and wave fiber composite material plastic molds, so that the base and the upper cover are high in strength, high-temperature resistant and ageing resistant, and the requirements of the use environment are met.
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 (6)
1. A logistics car high pressure box, characterized in that it comprises: the device comprises an upper cover, a base, a positive relay, a negative relay, a main fuse, a pre-charging assembly, a heating assembly, a current sensor and a high-voltage connecting assembly;
The positive relay and the negative relay are arranged in the center of the base, and the heating component is arranged on the base and is positioned between the positive relay and the negative relay;
the main fuse is arranged at a position of the base, which is close to the positive relay and far away from one side of the negative relay;
the pre-charging assembly is arranged at the position of the base close to the positive relay and the main fuse;
The high-voltage connecting assembly is electrically connected with the main fuse, and the main fuse is electrically connected with the positive relay; the high-voltage connecting component is electrically connected with the current sensor, and the current sensor is electrically connected with the negative relay;
the pre-charging assembly is electrically connected with the high-voltage connecting assembly;
The heating component is electrically connected with the high-voltage connecting component; the upper cover is detachably connected with the base;
The high-voltage connecting assembly comprises a positive high-voltage connecting piece and a negative high-voltage connecting piece;
the positive high-voltage connecting piece is electrically connected with the main fuse, and the main fuse is electrically connected with the positive relay;
the negative high-voltage connecting piece is electrically connected with the current sensor, and the current sensor is electrically connected with the negative relay;
The pre-charging assembly is electrically connected with the positive high-voltage connecting piece, and the pre-charging assembly is electrically connected with the negative high-voltage connecting piece;
The heating component is electrically connected with the positive high-voltage connecting piece, and the heating component is electrically connected with the negative high-voltage connecting piece;
the pre-charging assembly comprises a pre-charging resistor and a pre-charging relay;
The pre-charging relay is arranged on the base and is positioned between the positive relay and the negative relay;
the pre-charging resistor is arranged at a position of the base, which is close to the pre-charging relay and far away from the positive relay and the negative relay;
The pre-charging resistor is electrically connected with the pre-charging relay;
The pre-charging resistor is electrically connected with the positive high-voltage connecting piece, and the pre-charging relay is electrically connected with the negative high-voltage connecting piece;
the current sensor is arranged at a position of the base close to the negative relay and the pre-charging resistor;
the heating assembly comprises a heating fuse and a heating relay;
The heating relay is arranged on the base and is positioned among the pre-charging relay, the positive relay and the negative relay;
the heating fuse is arranged between the heating relay and the negative relay;
The heating fuse is electrically connected with the heating relay;
The heating fuse is electrically connected with the positive high-voltage connecting piece, and the heating relay is electrically connected with the negative high-voltage connecting piece;
Wherein, characterized by, the said base has positive input end, positive output end, negative input end and negative output end;
the positive input end is positioned at a position of the base close to the main fuse;
The positive output end is positioned at a position of the base close to the negative relay;
The negative input end is positioned at the position of the base close to the current sensor;
The negative output end is positioned at a position of the base close to the negative relay and the positive output end;
the positive input end is electrically connected with the main fuse, the positive input end is electrically connected with the pre-charge resistor, and the positive input end is electrically connected with the heating fuse;
The negative input end is electrically connected with the current sensor, the negative input end is electrically connected with the pre-charging relay, and the negative input end is electrically connected with the heating relay.
2. The logistics vehicular high pressure box of claim 1, wherein the upper cover is provided with a plurality of snap fasteners and the base is provided with a plurality of snap grooves; the number of the buckling pieces is the same as that of the buckling grooves;
each buckle piece is arranged in each buckle groove.
3. The logistics vehicular high pressure box of claim 1, wherein the base is provided with a main fuse mounting groove;
the main fuse is arranged in the main fuse mounting groove.
4. The logistics vehicular high voltage box of claim 1, wherein the base is provided with an electrical component mounting groove;
The positive relay and the negative relay are arranged in the center of the electric component mounting groove; the heating component is arranged in the electric component mounting groove and is positioned between the positive relay and the negative relay;
The pre-charging assembly is arranged at a position, close to the positive relay and the main fuse, of the electric component mounting groove;
the current sensor is arranged at a position of the electric component mounting groove, which is close to the negative relay and the pre-charging resistor.
5. A logistics car battery pack, comprising:
A battery pack case, a battery module and a logistics vehicle high voltage box according to any one of the claims 1-4;
The battery pack box body is internally provided with a cavity;
the battery module and the logistics vehicle high-voltage box are arranged in the cavity;
the battery module is electrically connected with the logistics vehicle high-voltage box.
6. The logistics vehicular battery pack of claim 5, wherein the logistics vehicular high voltage box comprises a base provided with a plurality of steel sleeves;
each steel sleeve is arranged in the cavity and fixedly connected with the battery pack box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810028465.6A CN108162788B (en) | 2018-01-11 | 2018-01-11 | Logistics vehicle high-voltage box and logistics vehicle battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810028465.6A CN108162788B (en) | 2018-01-11 | 2018-01-11 | Logistics vehicle high-voltage box and logistics vehicle battery pack |
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| Publication Number | Publication Date |
|---|---|
| CN108162788A CN108162788A (en) | 2018-06-15 |
| CN108162788B true CN108162788B (en) | 2024-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810028465.6A Active CN108162788B (en) | 2018-01-11 | 2018-01-11 | Logistics vehicle high-voltage box and logistics vehicle battery pack |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116620114B (en) * | 2023-07-21 | 2024-01-02 | 宁德时代新能源科技股份有限公司 | High-voltage box, battery pack, electric control system and electricity utilization device |
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| CN204760755U (en) * | 2015-06-24 | 2015-11-11 | 合肥国轩高科动力能源股份公司 | Inside high voltage power distribution device of battery box |
| CN205768732U (en) * | 2016-05-26 | 2016-12-07 | 重庆长安汽车股份有限公司 | A kind of novel electric vehicle high pressure electric appliance box and battery bag |
| CN207711847U (en) * | 2018-01-11 | 2018-08-10 | 华霆（合肥）动力技术有限公司 | Logistic car high-voltage cage and logistic car battery pack |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20070087266A1 (en) * | 2005-10-18 | 2007-04-19 | Debbi Bourke | Modular battery system |
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| CN204760755U (en) * | 2015-06-24 | 2015-11-11 | 合肥国轩高科动力能源股份公司 | Inside high voltage power distribution device of battery box |
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| CN207711847U (en) * | 2018-01-11 | 2018-08-10 | 华霆（合肥）动力技术有限公司 | Logistic car high-voltage cage and logistic car battery pack |
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