High-voltage box for power exchange system
Technical Field
The utility model relates to the technical field of high-voltage boxes, in particular to a high-voltage box for a power conversion system.
Background
The new energy automobile is an automobile which adopts unconventional automobile fuel as a power source (or adopts conventional automobile fuel and a novel automobile-mounted power device) and integrates the advanced technology in the aspects of power control and driving of the automobile, and the formed technical principle is advanced, and the automobile has a new technology and a new structure. The new energy automobile is generally driven by adopting electric energy as a power source, and is strongly supported by the nation to enter into thousands of households because the electric power is a cleaner energy source.
The battery main control unit (BCU) and the high-voltage box of the new energy automobile are of split type structures, the high-voltage box is arranged at the top of the battery, the battery main control unit (BCU) is arranged at the bottom of the battery, the battery main control unit (BCU) comprises a charging connector, a discharging connector and a BCU control module, the battery main control unit (BCU) is connected with the high-voltage box through connecting wires, namely, two ends of the connecting wires are respectively connected with the high-voltage box, the charging connector and the discharging connector, so that the wiring is complicated in the mounting process, the mounting speed is reduced, the length of the connecting wires is 3-4 meters, the manufacturing cost of the connecting wires is high, and the manufacturing cost is improved.
Disclosure of utility model
The object of the present utility model is to provide a high voltage cartridge for a power conversion system, which addresses the above-mentioned drawbacks of the prior art.
In order to solve the problems, the utility model adopts the following technical scheme:
a high-voltage box for a power exchange system comprises a box body;
the charging connectors are arranged at two and fixedly arranged on the bottom surface of the box body;
The discharging connectors are arranged at two and fixedly arranged on the bottom surface of the box body;
The junction box is fixedly arranged on the side face of the box body and is connected with the battery through a power line.
Preferably, the box body comprises a main body and an upper cover, the charging connector and the discharging connector are fixedly arranged on the bottom surface of the main body, the junction box is fixedly arranged on the side surface of the main body, and the upper cover is fixedly connected with the main body.
Preferably, a BCU control module is arranged in the box body, and a wiring copper bar is connected between the BCU control module and the charging connector and between the BCU control module and the discharging connector.
Preferably, the wiring copper bar is a braided copper bar.
Preferably, the bottom surface of the main body is provided with reinforcing ribs for reinforcing the strength of the main body.
Preferably, the main body is fixedly provided with a fixing plate for fixing the main body.
Preferably, a gasket is provided between the main body and the upper cover.
Preferably, the box body is manufactured by adopting an injection molding process.
Preferably, the charging connector is provided with a first positioning column, and the discharging connector is provided with a second positioning column.
The beneficial effects of adopting above-mentioned technical scheme to produce lie in:
1. In the utility model, the charging connector is used for charging the battery, the discharging connector is used for discharging the battery, thus driving and using of the automobile are realized, the charging connector and the discharging connector are arranged on the high-voltage box, the charging connector and the discharging connector are integrated together, the use of connecting wires can be reduced, the wiring process is omitted, the wiring step is realized in the power changing process, the quick disassembly and the replacement are realized, the use amount of the connecting wires can be reduced, and the manufacturing cost is reduced;
2. According to the utility model, the wiring copper bars connected with the charging connector and the discharging connector are woven copper bars, so that the wiring copper bars have a certain deformation amount, the copper bars are not easy to fall off and deform when the automobile jolts in the form process, and the automobile can be prevented from being broken down.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is another angular perspective view of the present utility model;
fig. 3 is a schematic view of the inside of the case of the present utility model.
In the figure, 1 is a box body, 2 is a charging connector, 3 is a discharging connector, 4 is a junction box, 5 is a power line, 6 is a main body, 7 is an upper cover, 8 is a BCU control module, 9 is a wiring copper bar, 10 is a reinforcing rib, 11 is a fixing plate, 12 is a first positioning column, and 12 is a second positioning column.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 and 2, a high-voltage box for a power conversion system comprises a box body 1, a charging connector 2, a discharging connector 3 and a junction box, wherein in a new energy automobile, a mounting frame is fixedly arranged in a body of the new energy automobile, a battery is fixedly arranged in the mounting frame, the box body 1 is fixedly arranged at the bottom of the mounting frame, the box body 1 is of a cube structure and is provided with six sides, namely a bottom surface, a top surface and four sides, two charging connectors 2 and a discharging connector 3 are fixedly arranged on the bottom surface of the box body 1, the junction box 4 is arranged on one side surface of the box body 1 and is connected with the battery through a power wire 5, in a traditional high-voltage box mounting structure, the box body 1 is fixedly arranged at the top of the mounting frame, the charging connector and the discharging connector of the battery main control unit are arranged at the bottom of the mounting frame, the box body 1 and the charging connector and the discharging connector are connected through connecting wires, in the embodiment, the charging connector 2 and the discharging connector 3 are fixedly arranged on the box body 1, the bottom surface of the box body 1 is fixedly provided with the connecting wires, the two charging connector 2 and the discharging connector 3 are arranged on the bottom surface of the box body 1, and the two charging connector 2 and the discharging connector 3 can be simultaneously arranged on the bottom surface of the box body 1 and the two charging connector 3 and the charging connector 3 can be more conveniently connected with the two charging connector 3 through the power connection connector, and the two charging connector 3 and the charging connector can be conveniently connected to the two charging connector and the charging connector. The charging connector 2 is used for being connected with an external charging plug and used for charging a battery, the two charging connectors 2 can improve the charging speed, one of the charging connectors is damaged, the other charging connector can be used for charging, the two discharging connectors 3 are arranged, the discharging connectors 3 are connected with electric equipment in an automobile and used for running the automobile and electric equipment in the automobile, and the two discharging connectors 3 can also ensure the safety of the automobile.
Still further, the box body 4 includes main part 6 and upper cover 7, charging connector 2 and discharging connector 3 are fixed to be set up in the bottom surface of main part 6, charging connector 2 and discharging connector 3 are connected with main part 6 through the screw, terminal box 4 is fixed to be set up in the side of main part 6, upper cover 7 and main part 6 fixed connection.
Still further, as shown in fig. 3, a BCU control module 8 is disposed in the box 1, a wiring copper bar 9 is connected between the BCU control module 8 and the charging connector 2 and the discharging connector 3, the BCU control module 8 is used for controlling a battery in the automobile, so that the battery can be charged or discharged normally, for example, when an external plug is connected with the charging connector 2, the BCU control module 8 controls to charge the battery, and controls the discharging connector 3 not to supply power to a running system of the automobile.
Furthermore, the wiring copper bar 9 is a braided copper bar, and the braided copper bar has a certain deformation amount, so that the braided copper bar cannot deform or break when jolting occurs in the running process of the automobile, and compared with a hard copper bar, the wiring copper bar has stronger anti-seismic performance.
Further, the bottom surface of the main body 6 is provided with reinforcing ribs 10 for reinforcing the strength of the main body 6.
Still further, the main body 6 is fixedly provided with a fixing plate 11, the fixing plate 11 is provided with a mounting hole, and a bolt is fixedly connected with a mounting frame in the automobile after being inserted into the mounting hole, so that the main body 6 is fixedly arranged on the mounting frame.
Further, a sealing gasket is arranged between the main body 6 and the upper cover 7 to prevent water from entering the box body.
Further, the case 1 is manufactured by injection molding.
Furthermore, the charging connector 2 is provided with a first positioning column 12, and the discharging connector 3 is provided with a second positioning column 13, so that the external plug is convenient to position when being plugged with the charging connector 2 and the discharging connector 3.
It should be noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present utility model, and not for limiting the same, and although the present utility model has been described in detail with reference to the above-mentioned embodiments, it should be understood by those skilled in the art that the technical solution described in the above-mentioned embodiments may be modified or some technical features may be equivalently replaced, and these modifications or substitutions do not make the essence of the corresponding technical solution deviate from the spirit and scope of the technical solution of the embodiment of the present utility model.