CN220615727U - Power distribution device for vehicle and vehicle with same - Google Patents

Abstract

The utility model discloses a power distribution device for a vehicle and a vehicle having the same. The power distribution device for the vehicle includes: a power box, the power box is provided with a first clamping piece; a first lead-out wire , the first lead-out wire extends into the power box and is provided with a second snap-in connector. The first snap-in connector and the second snap-in connector are snap-fitted to fix the first lead-out wire. The relative position of the wire and the power box. According to the embodiment of the present invention, the positioning between the power box and the first lead wire of the power distribution device for a vehicle is reliable, and the probability of damage to the first lead wire is low.

Description

Power distribution device for vehicles and vehicles having the same

Technical field

The utility model relates to the field of vehicle power distribution, and in particular, to a power distribution device for a vehicle and a vehicle equipped with the same.

Background technique

The power distribution devices in the related art are all connected with lead wires, and the power distribution devices are electrically connected to other electrical components of the vehicle through the lead wires. However, the wire holes and the lead wires of the power distribution devices in the related art are generally only connected by seals. The sealing ring cannot reliably position the power distribution device and the lead wire, so there is a high risk of damage to the lead wire when the lead wire is pulled.

Utility model content

The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, one purpose of the present invention is to provide a power distribution device for a vehicle, which has reliable positioning between the power box and the first lead wire, and has a low probability of damage to the first lead wire. .

The utility model also provides a vehicle having the above-mentioned power distribution device for a vehicle.

In order to achieve the above object, according to the first embodiment of the present invention, a power distribution device for a vehicle is proposed, which includes: a power box, the power box is provided with a first clamping member; a first lead wire, so The first lead-out wire extends into the power box and is provided with a second snap-in connector. The first snap-in connector and the second snap-in connector are snap-fitted to fix the first lead-out wire and the second snap-in connector. The relative position of the power box.

According to the embodiment of the present invention, the positioning between the power box and the first lead wire of the power distribution device for a vehicle is reliable, and the probability of damage to the first lead wire is low.

According to some embodiments of the present invention, the first snap-in member includes a first snap-in ring post, and the first lead-out wire extends into the power box through the first snap-in ring post; The second clamping member includes a first clamping ring sleeve surrounding the first lead-out wire, the first clamping ring sleeve is sleeved on the first clamping ring column, the first clamping ring sleeve and the One of the first snap ring pillars is provided with a first snap groove and the other is provided with a first buckle, and the first buckle engages with the first buckle groove.

According to some embodiments of the present invention, the first snap ring is provided with a plurality of first openings arranged at intervals along its circumference, and a first opening is defined between two adjacent first openings. Claw, one of the first claw and the first snap ring post is provided with the first clip groove, and the other is provided with the first buckle.

According to some embodiments of the present utility model, the power box is provided with a wire opening, and the first lead wire passes through the wire opening of the power box; the first clamping member further includes a connection with the first The first fixed ring sleeve is connected to the outer peripheral surface of the lead wire, the first snap-on ring sleeve is connected to the first fixed ring sleeve, and the first snap-on ring column extends from the central axis of the wire passage hole The direction is blocked by the first fixed ring sleeve.

According to some embodiments of the present invention, the first lead-out wire is provided with a first sealing ring, and the first sealing ring extends into the first snap-in ring column and is connected with the first snap-in ring column. The inner peripheral surface cooperates; the first sealing ring is located inside the first snap ring sleeve in the extending direction of the first lead wire.

According to some embodiments of the present invention, the first lead-out wire is covered with a first shielding ring, the first shielding ring is connected to the shielding layer of the first lead-out wire, and the first shielding ring extends into the The first snap-on ring column cooperates with the inner peripheral surface of the first snap-on ring column.

According to some embodiments of the present invention, the first shielding ring includes a first ring body and a first elastic contact piece connected to the first ring body, and the first elastic contact piece exceeds the first The outer circumferential surface of the ring body butts against the inner circumferential surface of the first clamping ring column.

According to some embodiments of the present invention, the first ring body is provided with a first notch, one side wall of the first notch is connected to the first elastic contact piece, and the first elastic contact piece is connected to the first elastic contact piece. The remaining side walls of the first notch are separated.

According to some embodiments of the present invention, a side wall of the first notch facing the power box is connected to the first elastic contact piece.

According to some embodiments of the present invention, the first lead-out wires are a plurality of ones arranged at intervals, each of the first lead-out wires is provided with the second snap-in connector, and the plurality of first snap-in connectors are at intervals. A plurality of first snap-in parts are arranged to snap-fit with a plurality of second snap-in parts in one-to-one correspondence.

According to some embodiments of the present invention, a plurality of first clamping members are connected as one body, and a plurality of second clamping members of the first lead-out wires are connected as one body.

According to some embodiments of the present invention, the power distribution device for a vehicle further includes: a junction box, the junction box has adjacent first side walls and second side walls, and the first lead-out wire One end of the first lead wire extends into the power box and is connected to the power box. The other end of the first lead wire is connected to the transfer box from the first side wall. The second side wall is suitable for the second The lead wire is connected to the transfer box, and the transfer box electrically connects the first lead wire and the second lead wire.

According to some embodiments of the present invention, the transfer box is provided with a third clamping component, the first lead-out line is provided with a fourth snapping component, the third snapping component and the fourth snapping component The parts are snap-fitted to fix the relative position of the first lead wire and the adapter box.

According to some embodiments of the present invention, the third snap-in member includes a second snap-in ring post, and the first lead wire passes through the second snap-in ring post; the fourth snap-in member includes a surrounding The second snap-in ring sleeve of the first lead-out wire, the second snap-in ring sleeve is set on the second snap-in ring column, the second snap-in ring sleeve and the second snap-in ring column One of them is provided with a second card slot and the other is provided with a second buckle, and the second buckle and the second card slot are engaged.

According to some embodiments of the present invention, the second snap ring is provided with a plurality of second openings arranged at intervals along its circumference, and a second opening is defined between two adjacent second openings. Claw, one of the second claw and the second snap ring post is provided with the second clip groove, and the other is provided with the second buckle.

According to some embodiments of the present invention, the transfer box is provided with a wire passage, and the first lead wire passes through the wire passage of the power box; the fourth clamping member further includes a wire connection with the third A second fixed ring sleeve is connected to the outer circumferential surface of the lead wire, the second snap-on ring sleeve is connected to the second fixed ring sleeve, and the second snap-on ring post is on the central axis of the wire passing port. The extending direction is stopped by the second fixed ring sleeve.

According to some embodiments of the present invention, the second lead-out wire is covered with a second sealing ring, and the second sealing ring extends into the second snap-in ring column and is connected with the second snap-in ring column. The inner peripheral surface cooperates; the second sealing ring is located inside the second snap ring sleeve in the extending direction of the first lead wire.

According to some embodiments of the present invention, the first lead-out wire is covered with a second shielding ring, the second shielding ring is connected to the shielding layer of the first lead-out wire, and the second shielding ring extends into the The second snap-on ring column cooperates with the inner peripheral surface of the second snap-on ring column.

According to some embodiments of the present invention, the second shielding ring includes a second ring body and a second elastic contact piece connected to the second ring body, and the second elastic contact piece extends beyond the second ring body. The outer circumferential surface of the ring body butts against the inner circumferential surface of the second clamping ring column.

According to some embodiments of the present invention, the second ring body is provided with a second gap, one side wall of the second gap is connected to the second elastic contact piece, and the second elastic contact piece is connected to the second gap. The remaining side walls of the second notch are separated.

According to some embodiments of the present invention, a side wall of the second notch facing the adapter box is connected to the second elastic contact piece.

According to some embodiments of the present invention, there are a plurality of first lead wires arranged at intervals, and each of the first lead wires is provided with the fourth clamping member; the third clamping member is arranged at intervals. A plurality of third snap-in parts are snap-fitted with a plurality of fourth snap-in parts in one-to-one correspondence.

According to some embodiments of the present invention, a plurality of the third clamping members are connected into one body, and a plurality of the fourth clamping members are connected into one body.

According to some embodiments of the present invention, the plurality of first lead-out wires include at least two of the motor neutral lead-out wire, the electronically controlled positive electrode lead-out wire, and the electronically controlled negative electrode lead-out wire.

According to some embodiments of the present invention, the plurality of first lead-out wires include two motor neutral line lead-out wires.

According to some embodiments of the present invention, the power box is provided with a plurality of first terminals spaced apart along a preset direction, and there are a plurality of first lead wires, and the plurality of first lead wires extend into The power box is connected to a plurality of first terminals in a one-to-one correspondence.

According to some embodiments of the present invention, a plurality of wiring strips are arranged at intervals in the power box, and a plurality of the first wiring terminals are formed in one-to-one correspondence on the plurality of wiring strips facing the plurality of first connections. One end of the lead wire.

According to some embodiments of the present invention, the difference in cross-sectional area of any two of the plurality of first leads is not greater than 45 mm ² .

According to some embodiments of the present invention, the plurality of first lead wires have the same diameter.

According to some embodiments of the present invention, the plurality of first terminals include at least two of an electronically controlled positive terminal, an electronically controlled negative terminal, and a motor neutral terminal.

According to some embodiments of the present invention, the plurality of first terminals include two motor neutral terminals.

According to some embodiments of the present invention, a plurality of the first terminals are disposed adjacent to one side of the power box in the width direction of the power box.

According to some embodiments of the present invention, the power distribution device for vehicles further includes: a PTC connection line, a second terminal is provided in the power box, and the PTC connection line extends into the power box and is connected to the power box. The second terminal is connected, and the diameter of the PTC connecting wire is different from the diameter of the first lead-out wire.

According to some embodiments of the present invention, a plurality of the first lead-out wires and the PTC connecting wires extend into the power box from the same side of the power box; in the width direction of the power box, a plurality of The first lead-out wire is arranged adjacent to one side of the power box, and the PTC connection line is arranged adjacent to the other side of the power box.

According to some embodiments of the present invention, the power distribution device for vehicles further includes: an OBC connection line, a third terminal is provided in the power box, and the OBC connection line extends into the power box and is connected to the power box. The third terminal is connected, and the diameter of the OBC connecting wire is different from the diameter of the first lead-out wire.

According to some embodiments of the present invention, a plurality of the first lead-out wires and the OBC connection wires respectively extend into the power box from opposite sides of the power box; in the width direction of the power box, The plurality of first lead-out wires are arranged adjacent to one side of the power box, and the OBC connection lines are arranged adjacent to the other side of the power box.

According to some embodiments of the present invention, the power distribution device for vehicles further includes: a charging connector, a fourth terminal is provided in the power box, and the charging connector extends into the power box and is connected to the power box. The fourth terminal connection.

According to some embodiments of the present invention, a plurality of the first lead wires and the charging connector extend into the power box from the same side of the power box; in the width direction of the power box, a plurality of first lead wires and the charging connector extend into the power box. The first lead-out wire is arranged adjacent to one side of the power box, and the charging connector is arranged adjacent to the other side of the power box.

According to the second embodiment of the present utility model, a vehicle is provided, including the power distribution device for the vehicle and the second lead wire, the power box and the first lead wire according to the first embodiment of the present utility model. The positioning between them is reliable, and the probability of damage to the first lead wire is low.

According to some embodiments of the present invention, the power distribution device includes a transfer box, a plurality of second lead wires arranged at intervals, a plurality of first lead wires and a plurality of second lead wires. Electrical connections are made in one-to-one correspondence through the transfer box.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Description of the drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments in conjunction with the following drawings, in which:

Figure 1 is a schematic structural diagram of a power distribution device according to an embodiment of the present invention.

Figure 2 is a schematic diagram of the internal layout of a power box according to an embodiment of the present invention.

Figure 3 is an exploded view of the connection between the power box and the core of the inductor according to the embodiment of the present invention.

Figure 4 is a schematic connection diagram of the power box, the first lead wire and the transfer box according to the embodiment of the present invention.

Figure 5 is a schematic cross-sectional view of the connection between the power box, the first lead wire and the transfer box according to the embodiment of the present invention.

Figure 6 is a partial schematic diagram of the connection between the power box, the first lead wire and the transfer box according to the embodiment of the present invention.

Figure 7 is an exploded view of the power box, the first lead-out wire and the transfer box according to the embodiment of the present invention.

8 is an exploded view of the charging port mounting base of the power box and the core of the magnetic ring according to the embodiment of the present invention.

Figure 9 is a partial schematic diagram of a power box according to an embodiment of the present invention.

Figure 10 is a partial enlarged view of area A in Figure 5.

FIG. 11 is a partial enlarged view of area B in FIG. 7 .

Reference signs:

Power distribution device 1, body floor 2,

Power box 100, first clamping piece 110, first buckle 112, wire opening 120, first terminal 130, terminal block 140, electronic control positive terminal 141, electronic control negative terminal 142, motor neutral wiring Terminal 143, PTC connection cable 151, OBC connection cable 161, fourth terminal 170, charging connector 171, first installation slot 181, second installation slot 182, charging port mounting base 190,

The first lead wire 200, the motor neutral lead wire 201, the electronic control positive lead wire 202, the electronic control negative lead wire 203, the second clamping component 210, the first clamping ring sleeve 211, the first clamping slot 212, the first opening The opening 213, the first claw 214, the first fixed ring sleeve 215, the fourth clamping member 220, the second clamping ring sleeve 221, the second clamping groove 222, the second opening 223, the second clamping claw 224, the Two fixed ring sleeves 225, first sealing ring 230, second sealing ring 240, first shielding ring 250, first elastic contact piece 251, first notch 252, first ring body 253, second shielding ring 260, Two elastic contact pieces 261, the second notch 262, the second ring body 263,

Adapter box 300, first side wall 301, second side wall 302, third side wall 303, first opening 304, second opening 305, second lead wire 306, connector 307, box body 310, connection base 320 , cover body 330, first sealing ring 340, second sealing ring 350, connecting barrel 360, third sealing ring 370, third snap-in part 380, second buckle 382, inductor core 410, inductor thermal conductive glue 420 , magnetic ring core 430, magnetic ring fixing glue 440,

The first charging port positive copper bar 500, the first fuse 510, the first electronically controlled positive copper bar 520, the second charging port positive copper bar 530, the positive contactor 540, the second electronically controlled positive copper bar 550, the third charging port Positive copper bar for the port 560, positive copper bar for the fourth charging port 570, positive copper bar for the fifth charging port 580, motor neutral contactor 590, motor neutral copper bar 591,

The first charging port negative copper bar 600, the negative contactor 610, the second charging port negative copper bar 620, and the electronically controlled negative copper bar 630;

Connect the wire 700, the first fuse 710, the second fuse 720,

The sixth charging port has a positive copper bar 800, a positive sampling line 810, a negative sampling line 820, a capacitance sampling line 830, a detection board 840, a current sensor 850, and a temperature sensor 860.

Detailed ways

The embodiments of the present invention are described in detail below. The embodiments described with reference to the drawings are exemplary. The embodiments of the present invention are described in detail below.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inside", "Outside", "Clockwise", "Counterclockwise", "Axis" ", "radial direction", "circumferential direction", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply what is meant. Devices or components must have a specific orientation, be constructed and operate in a specific orientation and therefore are not to be construed as limitations of the invention.

In the description of the present invention, "plurality" means two or more.

The power distribution device 1 for a vehicle according to an embodiment of the present invention is described below with reference to the accompanying drawings.

As shown in FIGS. 1 to 9 , a power distribution device 1 for a vehicle according to an embodiment of the present invention includes a power box 100 and a first lead wire 200 .

The power box 100 is provided with a first clamping component 110. The first lead wire 200 extends into the power box 100. The first lead wire 200 is provided with a second snapping component 210. The second snapping component 210 and the first snapping component 110 They are snap-fitted to fix the relative position of the first lead wire 200 and the power box 100 .

According to the power distribution device 1 for vehicles according to the embodiment of the present invention, by connecting the first lead-out wire 200 to the power box 100, the power box 100 can be connected and electrically conductive with other external electrical components through the first lead-out wire 200. And because the power box 100 and the first lead wire 200 are fixed in relative position through the snap fit of the first snap connector 110 and the second snap connector 210, the connection between the first lead wire 200 and the second snap connector 210 The first lead wire 200 is not easily moved relative to the power box 100 when the first lead wire 200 is pulled, and the first lead wire 200 is not easily moved relative to the power box 100 , which can reduce the possibility of the first lead wire 200 being pulled. Probability of pull damage.

In this way, the positioning between the power box 100 and the first lead wire 200 of the power distribution device 1 for vehicles according to the embodiment of the present invention is reliable, and the probability of damage to the first lead wire 200 is low.

According to some specific embodiments of the present invention, as shown in Figures 5, 7 and 9, the power box 100 is provided with a wire opening 120, and the first lead wire 200 passes through the wire opening 120 of the power box 100. The first The latching member 110 includes a first latching ring post. The first latching ring post surrounds the wire passage opening 120 of the power box 100 , and the first lead wire 200 passes through the first latching ring post.

The second clamping component 210 includes a first clamping ring sleeve 211 surrounding the first lead wire 200. The first clamping ring sleeve 211 is sleeved on the first clamping ring column. The first clamping ring sleeve 211 and the clamping ring One of the pillars is provided with a first buckle 212 and the other is provided with a first buckle 112 , and the first buckle 112 and the first buckle slot 212 are engaged.

In this way, the second clamping member 210 and the first clamping member 110 are clamped and fixed, and the first clamping ring post and the first clamping ring sleeve 211 both surround the wire opening 120 and will not affect the first The lead wire 200 extends into the power box 100 .

According to some specific embodiments of the present invention, as shown in Figures 5, 7 and 9, the first snap ring sleeve 211 is provided with a plurality of first openings 213 spaced apart along its circumference. Two adjacent openings 213 are arranged at intervals along its circumference. A first claw 214 is defined between the first openings 213 . One of the first claw 214 and the first snap ring column is provided with a first slot 212 and the other is provided with a first buckle 112 .

By arranging the first opening 213 and defining the first claw 214 between two adjacent first openings 213, the first claw 214 is easily deformed, so the first claw 214 can be moved. The first clamping groove 212 and the first clamping buckle 112 are separated to eliminate the connection force between the first clamping ring sleeve 211 and the first clamping ring column, so that the second clamping member 210 and the first clamping ring can be separated. The connector 110 is separated, and the first lead wire 200 is taken out of the power box 100 .

According to some specific embodiments of the present invention, as shown in Figures 5, 7, 9 and 10, the second clamping member 210 further includes a first fixed ring sleeve 215 connected to the outer peripheral surface of the first lead wire 200. , the first snap ring sleeve 211 is connected to the first fixed ring sleeve 215, and the first snap ring post is in the extension direction of the first lead-out wire 200 (that is, in the extension direction of the central axis of the wire opening 120 of the power box 100 ) stops at the first fixed ring sleeve 215.

By providing the first fixed ring sleeve 215, the relative position between the second clamping member 210 and the first lead wire 200 can be fixed, and the first fixed ring sleeve 215 can be used to limit the extension of the first clamping ring column into the third The position within the snap ring sleeve 211 prevents the first lead wire 200 from extending too far into the power box 100, so as to facilitate the connection between the first lead wire 200 and the electrical connection structure in the power box 100.

According to some specific embodiments of the present invention, as shown in Figure 5, Figure 7, Figure 9 and Figure 10, the first lead-out wire 200 is covered with a first sealing ring 230, and the first sealing ring 230 extends into the first snap connection The ring column has an interference fit with the inner circumferential surface of the first snap-connected ring column. By providing the first sealing ring 230, the gap between the first lead wire 200 and the first clamping ring column can be filled to ensure the sealing performance of the power box 100.

According to some specific embodiments of the present invention, as shown in Figures 5, 7, 9 and 10, the first sealing ring 230 is located inside the first snap ring sleeve 211 in the extending direction of the first lead wire 200. . In this way, the first snap ring sleeve 211 can block the first sealing ring 230, reducing the probability of damage to the first sealing ring 230 during the placement, transportation and handling of the first lead wire 200, effectively ensuring that the power supply after assembly is The sealing of the box 100.

According to some specific embodiments of the present invention, as shown in Figures 5, 7 and 9, the first lead-out wire 200 is provided with a first shielding ring 250, and the first shielding ring 250 and the shielding layer of the first lead-out wire 200 When connected, the first shielding ring 250 extends into the first snap ring column and cooperates with the inner peripheral surface of the first snap ring column. By arranging the first shielding ring 250, the power box 100, the first shielding ring 250 and the shielding layer are connected as a whole, which can form a complete electrical connection structure in the power box 100 and the wire cores in the first lead-out wire 200. Electromagnetic shielding effectively improves the performance stability of the power distribution device 1.

According to some specific embodiments of the present invention, as shown in Figures 5, 7, and 9-11, the first shielding ring 250 includes a first ring body 253 and a first elastic abutment connected to the first ring body 253. The first elastic contact piece 251 exceeds the outer peripheral surface of the first ring body 253 and stops against the inner peripheral surface of the first snap ring column. In this way, the first elastic contact piece 251 can effectively contact the inner circumferential surface of the first snap ring column, ensuring the effective connection between the first shielding ring 250 and the first snap ring column, ensuring that Reliability of electromagnetic shielding.

According to some specific embodiments of the present invention, as shown in Figures 5, 7, and 9-11, the first ring body 253 is provided with a first notch 252, and one side wall of the first notch 252 is connected to the first elastic resistor. The connecting piece 251 and the first elastic contact piece 251 are separated from the remaining side walls of the first notch 252 . In this way, the connection strength between the first elastic contact piece 251 and the first notch 252 is low, and the first elastic contact piece 251 is more likely to elastically deform relative to the first notch 252 .

According to some specific embodiments of the present invention, as shown in FIGS. 5 , 7 and 9 , the side wall of the first notch 252 facing the power box 100 is connected to the first elastic contact piece 251 . In this way, the first elastic contact piece 251 is less likely to interfere with the first snap ring post, and it is easier for the first elastic contact piece 251 to extend into the first snap ring post.

According to some specific embodiments of the present invention, as shown in Figures 5, 7 and 9, there are a plurality of first lead wires 200 arranged at intervals, and each first lead wire 200 is provided with the second clamping connection. 210 , a plurality of first snap-in parts 110 are arranged at intervals, and the plurality of first snap-in parts 110 and the plurality of second snap-in parts 210 are snap-fitted in a one-to-one correspondence.

In this way, the plurality of first lead wires 200 are not easily damaged when being pulled, so the probability of damage to the lead wires of the power distribution device 1 is further reduced.

According to some specific embodiments of the present invention, as shown in Figures 5, 7 and 9, a plurality of first clamping members 110 are connected as one body, and the second clamping members 120 of a plurality of first lead-out wires 200 are connected as One body. In this way, the processing steps of the plurality of first clamping members 110 are reduced, the production efficiency of the first clamping members 110 is improved, and the connection strength between the plurality of first clamping members 110 is higher, which can effectively improve the power supply box 100 The structural strength of the second clamping parts 120 is reduced, and the production efficiency of the second clamping parts 120 is improved. Moreover, the connection strength between the plurality of second clamping parts 120 is higher, which can effectively improve the structural strength of the second clamping parts 120. The structural strength of the plurality of second clamping members 120 is high, and the plurality of second clamping members 120 are not easily lost during the disassembly and assembly process.

According to some specific embodiments of the present invention, the power distribution device 1 for a vehicle further includes a junction box 300 , and the vehicle further includes: a second lead wire 306 .

The adapter box 300 has adjacent first side walls 301 and second side walls 302. One end of the first lead wire 200 extends into the power box 100 and is connected to the power box 100. The other end of the first lead wire 200 extends from the first The side wall 301 is connected to the junction box 300, the second lead wire 306 is connected to the junction box 300 from the second side wall 302, the first lead wire 200 and the second lead wire 306 are electrically connected through the junction box 300, and the second lead wire 306 is connected to the junction box 300. The extension direction of the wire 306 is non-parallel to the extension direction of the first lead wire 200 .

The other end of the first lead wire 200 is connected to the junction box 300, so the first lead wire 200 can transmit electrical signals and current between the power box 100 and the junction box 300, and the junction box 300 is connected to a third The two lead wires 306, that is to say, a conductive path is formed between the power box 100, the first lead wire 200, the transfer box 300 and the second lead wire 306.

In addition, the junction box 300 has adjacent first side walls 301 and second side walls 302. The other end of the first lead wire 200 is connected to the junction box 300 from the first side wall 301, and the second lead wire 306 is connected from the first side wall 301 to the junction box 300. The two side walls 302 are connected to the adapter box 300 .

That is to say, the extension directions of the first lead wire 200 and the second lead wire 306 are not the same. Therefore, through the arrangement of the adapter box 300, not only the electrical connection between the first lead wire 200 and the second lead wire 306 is realized, connection, and realize the turning and extension between the first lead wire 200 and the second lead wire 306. Compared with the power distribution device in the prior art that directly bends the lead wires, the power distribution device 1 in the embodiment of the present invention The space required for turning between the first lead wire 200 and the second lead wire 306 is smaller, which can improve the space utilization of the entire vehicle.

According to some specific embodiments of the present invention, as shown in FIGS. 6 and 7 , the extension direction of the first lead wire 200 and the extension direction of the second lead wire 306 are perpendicular to each other. That is to say, the included angle between the central axis of the first lead wire 200 and the central axis of the second lead wire 306 is 90°. In this way, the angle area between the first lead-out wire 200 and the second lead-out wire 306 can also be easily utilized, resulting in high space utilization and convenient layout of the power distribution device 1 .

According to some specific embodiments of the present invention, as shown in FIGS. 6 and 7 , the diameter of the first lead wire 200 and the diameter of the second lead wire 306 are the same. In this way, the capacity of the first lead wire 200 to carry current is the same or approximately the same as the capacity of the second lead wire 306 to carry current. Therefore, the size of the second lead wire 306 can be reduced and the cost can be reduced while ensuring circuit safety.

According to some specific embodiments of the present invention, as shown in FIGS. 6 and 7 , in the extension direction of the first lead wire 200 , the distance between the central axis of the second lead wire 306 and the first lead wire 200 is no greater than 5 times the diameter of the first lead wire 200 . In the prior art, a lead wire is used to connect to the power box, and the lead wire is directly bent so that the lead wire passes through the vehicle body floor. However, in this way, the bending radius of the lead wire is greater than 5 times the diameter of the lead wire. In the present invention, the distance between the central axis of the second lead wire 306 and the first lead wire 200 in the extension direction of the first lead wire 200 is not greater than 5 times the diameter of the first lead wire 200. From this, it can be seen that the present invention The power distribution device 1 used for vehicles in the utility model has higher space utilization.

According to some specific embodiments of the present invention, as shown in FIGS. 6 and 7 , in the extension direction of the first lead wire 200 , the distance between the central axis of the second lead wire 306 and the first lead wire 200 is A leadout 200 times the diameter. In this way, it is possible to ensure high space utilization of the power distribution device 1 for the vehicle, and to facilitate sufficient space in the junction box 300 to arrange the electrical connectors connecting the first lead wire 200 and the second lead wire 306 .

According to some specific embodiments of the present invention, as shown in Figures 6 and 7, in the extension direction of the second lead wire 306, the distance between the central axis of the first lead wire 200 and the second lead wire 306 is no greater than 5 times the diameter of the second lead wire 306 . In the prior art, a lead wire is used to connect to the power box, and the lead wire is directly bent so that the lead wire passes through the vehicle body floor. However, the bending radius of the lead wire is greater than 5 times the diameter of the lead wire. In this case, In the utility model, the distance between the central axis of the first lead wire 200 and the second lead wire 306 in the extension direction of the second lead wire 306 is not greater than 5 times the diameter of the second lead wire 306. From this, it can be seen that the utility model The new power distribution device 1 for vehicles has higher space utilization.

According to some specific embodiments of the present invention, as shown in Figures 6 and 7, in the extension direction of the second lead wire 306, the distance between the central axis of the first lead wire 200 and the second lead wire 306 is The second lead wire 306 is 2 times the diameter. In this way, it is possible to ensure high space utilization of the power distribution device 1 for the vehicle, and to facilitate sufficient space in the junction box 300 to arrange the electrical connectors connecting the first lead wire 200 and the second lead wire 306 .

According to some specific embodiments of the present invention, as shown in Figures 6 and 7, there are multiple first lead wires 200 arranged at intervals, and there are multiple second lead wires 306 arranged at intervals. The plurality of first lead wires 200 are The plurality of second lead wires 306 are electrically connected in one-to-one correspondence through the junction box 300 . In this way, the space occupied by the plurality of first lead wires 200 can be reduced at the same time, thereby further improving the space utilization rate of the power distribution device 1, and the multiple first lead wires 200 reuse the transfer box 300, eliminating the need to install Multiple transfer boxes 300 can also achieve the purpose of reducing the assembly space required for the power distribution device 1 .

According to some specific embodiments of the present invention, as shown in Figures 6 and 7, the plurality of first lead wires 200 include at least two of the motor neutral lead wire 201, the electronic control positive lead wire 202 and the electronic control negative lead wire 203. indivual. Since the current carrying capacity of the motor neutral lead wire 201, the electric control positive lead wire 202 and the electronic control negative lead wire 203 are roughly the same, the diameter of the motor neutral lead wire 201, the electronic control positive lead wire 202 The diameter is roughly the same as the diameter of the electronic control negative lead wire 203. In this way, at least two of the motor neutral lead wire 201, the electronic control positive lead wire 202 and the electronic control negative lead wire 203 are reused in one transfer box 300, except Along the direction in which the plurality of first lead wires 200 are arranged, in other directions, at least two of the motor neutral lead wire 201, the electronic control positive lead wire 202 and the electronic control negative lead wire 203 occupy approximately the same space, which can effectively Improve space utilization.

According to some specific embodiments of the present invention, as shown in FIGS. 6 and 7 , the plurality of first lead wires 200 include two motor neutral lead wires 201 . In this way, when the power distribution device 1 implements the boost charging function, the neutral lead wires 201 of the two motors can work alternately, reducing the working time of each motor and extending the service life of the motor.

According to some specific embodiments of the present invention, as shown in Figures 6 and 7, the adapter box 300 includes a box body 310, a connecting base 320 and a cover 330. The first side wall 301 and the second side wall 302 are constructed on the box body 310. The connecting seat 320 is provided in the box body 310. The connecting seat 320 is connected to the first lead wire 200 and the second lead wire 306 respectively. The cover body 330 is installed on the box body 310. The box body 310 is inserted into the box body 310 and the connecting base 320 is sealed in the box body 310 .

By providing the connection seat 320, the electrical connection between the first lead wire 200 and the second lead wire 306 can be achieved, and the box body 310 and the cover 330 can block the connection seat 320, the first lead wire 200 and the second lead wire The connection between 306 improves the circuit safety of the circuit, and the box body 310 and the cover body 330 can be metal parts to play an electromagnetic shielding role for the connection base 320, the first lead wire 200 and the second lead wire 306. , increase the reliability of the circuit.

According to some specific embodiments of the present invention, as shown in Figures 6 and 7, the box body 310 also has a third side wall 303. The third side wall 303 is opposite to the second side wall 302, and the three sides are configured with a first The opening 304, the second side wall 302 is configured with a second opening 305, and the second side wall 302 is suitable for installation on the vehicle body floor 2; the connecting seat 320 is installed in the box 310 from the first opening 304, and the second lead wire 306 is installed from the first opening 304 to the body floor 2. The two openings 305 extend into the box body 310 and are connected to the connection base 320; the cover 330 is installed on the third side wall 303 and covers the first opening 304.

By providing the first opening 304, the connection base 320 is facilitated to be disassembled and assembled, and the connection base 320 and the first lead wire 200 can be fixed by fasteners such as bolts, and the connection between the connection base 320 and the first lead wire 200 is also easy. This can be achieved through the first opening 304 . By providing the second opening 305, the second lead-out wire 306 and the connection base 320 can be disassembled and assembled, and since the second opening 305 is constructed on the second side wall 302, and the second side wall 302 is installed on the body floor 2, Therefore, it is convenient for the second lead-out wire 306 to continue extending through the vehicle body floor 2 .

According to some specific embodiments of the present invention, as shown in FIGS. 6 and 7 , the adapter box 300 further includes a first sealing ring 340 and a second sealing ring 350 . The first sealing ring 340 is located between the third side wall 303 and the cover 330 for sealing the gap between the third side wall 303 and the cover 330 . The second sealing ring 350 is located between the second side wall 302 and the vehicle body floor 2 between to seal the gap between the second side wall 302 and the vehicle body floor 2 .

By arranging the first sealing ring 340 , the sealing between the cover 330 and the box 310 can be realized. By arranging the second sealing ring 350 , the sealing between the vehicle body floor 2 and the box 310 can be realized, so that the transfer box 300 The sealing effect is better.

According to some specific embodiments of the present invention, as shown in Figures 6 and 7, the second side wall 302 of the box 310 has a connecting barrel 360, and the second lead wire 306 is covered with a connector 307. 306 extends into the box body 310 through the connecting barrel 360, and the connecting piece 307 is installed with the connecting barrel 360. The connecting barrel 360 can be inserted into the vehicle body floor 2, and the connecting piece 307 and the connecting barrel 360 are installed.

By arranging the connecting barrel 360 and the connecting piece 307, the relative position between the second lead wire 306 and the adapter box 300 can be fixed, and when there are multiple second lead wires 306, one connecting piece 307 can surround multiple second lead wires 306. Lead wires 306 are provided to reduce the number of connectors 307, cost and space occupied.

According to some specific embodiments of the present invention, as shown in Figures 6 and 7, the adapter box 300 also includes a third sealing ring 370. The third sealing ring 370 is located between the connecting barrel 360 and the connecting piece 307 for sealing. The gap between the connecting barrel 360 and the connecting piece 307. By providing the third sealing ring 370, the gap between the connecting member 307 and the connecting barrel 360 can be sealed, thereby further improving the sealing performance of the adapter box 300.

According to some specific embodiments of the present invention, as shown in Figures 5, 7 and 9, the first lead-out line 200 is provided with a fourth clamping component 220, and the transfer box 300 is provided with a third snapping component 380. There is a snap fit between the fourth snap connector 220 and the third snap connector 380 . In this way, the first lead wire 200 and the adapter box 300 are fixedly connected, so that the relative position between the first lead wire 200 and the adapter box 300 is fixed, which can reduce the probability of the first lead wire 200 being pulled and damaged.

According to some specific embodiments of the present invention, as shown in Figures 5, 7 and 9, the adapter box 300 is provided with a wire opening 120, and the first lead wire 200 passes through the wire port 120 of the adapter box 300. The fourth clamping member 220 includes a second clamping ring sleeve 221 surrounding the first lead-out wire 200 . The third clamping member 380 includes a second clamping ring column. The second clamping ring column surrounds the wire passing through the adapter box 300 Port 120, the first lead wire 200 passes through the second snap-in ring column, the second snap-in ring sleeve 221 is sleeved on the second snap-in ring column, the second snap-in ring sleeve 221 and the second snap-in ring column One is provided with a second slot 222 and the other is provided with a second buckle 382, and the second buckle 382 engages with the second slot 222.

In this way, the fourth clamping member 220 and the third clamping member 380 are clamped and fixed, and the second clamping ring post and the second clamping ring sleeve 221 both surround the wire opening 120 and will not affect the first The lead wire 200 extends into the adapter box 300 .

According to some specific embodiments of the present invention, as shown in Figures 5, 7 and 9, the second snap ring sleeve 221 is provided with a plurality of second openings 223 spaced apart along its circumference. Two adjacent openings 223 are arranged at intervals along its circumference. A second claw 224 is defined between the second openings 223 . One of the second claw 224 and the second snap ring column is provided with a second slot 222 and the other is provided with a second buckle 382 .

By providing the second opening 223 and defining the second claw 224 between two adjacent second openings 223, the second claw 224 is easy to deform, so the second claw 224 can be moved. Separate the second latching groove 222 and the second latching buckle 382 to eliminate the connection force between the second latching ring sleeve 221 and the second latching ring column, so that the fourth latching member 220 and the third latching ring can be connected. The connector 380 is separated, and the first lead wire 200 is taken out of the adapter box 300 .

According to some specific embodiments of the present invention, as shown in Figures 5, 7 and 9, the fourth clamping member 220 also includes a second fixed ring sleeve 225 connected to the outer peripheral surface of the first lead wire 200. The snap ring sleeve 221 is connected to the second fixed ring sleeve 225, and the second snap ring post blocks the second snap ring post in the extension direction of the first lead-out wire 200 (that is, in the extension direction of the wire passage opening 120 of the adapter box 300). Two fixed rings set 225.

By providing the second fixed ring sleeve 225, the relative position between the fourth clamping member 220 and the first lead wire 200 can be fixed, and the second fixed ring sleeve 225 can be used to limit the extension of the second clamping ring column into the first lead wire 200. The position inside the second snap ring sleeve 221 prevents the first lead wire 200 from overextending into the adapter box 300, so as to facilitate the connection between the first lead wire 200 and the electrical connection structure in the adapter box 300.

According to some specific embodiments of the present invention, as shown in Figure 5, Figure 7 and Figure 9, the second lead-out wire 306 is sleeved with a second sealing ring 240, and the second sealing ring 240 extends into the second snap ring column and Interference fit with the inner circumferential surface of the second snap ring column. By providing the second sealing ring 240, the gap between the first lead wire 200 and the second clamping ring column can be filled to ensure the sealing performance of the adapter box 300.

According to some specific embodiments of the present invention, as shown in FIGS. 5 , 7 and 9 , the second sealing ring 240 is located inside the second snap ring sleeve 221 in the extending direction of the first lead wire 200 . In this way, the second snap ring sleeve 221 can block the second sealing ring 240, reducing the probability of damage to the second sealing ring 240 during the placement, transportation and handling of the first lead wire 200, and effectively ensuring that after assembly, the second sealing ring 240 is damaged. The sealing performance of the junction box 300.

According to some specific embodiments of the present invention, as shown in Figures 5, 7 and 9, the first lead-out wire 200 is provided with a second shielding ring 260, and the second shielding ring 260 and the shielding layer of the first lead-out wire 200 Connected, the second shielding ring 260 extends into the second snap-in ring column and cooperates with the inner peripheral surface of the second snap-in ring column. By providing the second shielding ring 260 , the transfer box 300 , the second shielding ring 260 and the shielding layer are connected as a whole, which can form a complete electrical connection structure of the transfer box 300 and the wire cores in the first lead wire 200 . The electromagnetic shielding effectively improves the performance stability of the power distribution device 1.

According to some specific embodiments of the present invention, as shown in Figures 5, 7 and 9, the second shielding ring 260 includes a second ring body 263 and a second elastic contact piece 261 connected to the second ring body 263. The second elastic contact piece 261 exceeds the outer peripheral surface of the second ring body 263 and stops against the inner peripheral surface of the second snap ring column. In this way, the second elastic contact piece 261 can effectively contact the inner circumferential surface of the second snap-in ring column, ensuring the effective connection between the second shielding ring 260 and the second snap-in ring column, ensuring that Reliability of electromagnetic shielding.

According to some specific embodiments of the present invention, as shown in Figures 5, 7 and 9, the second ring body 263 is provided with a second notch 262, and one side wall of the second notch 262 is connected to the second elastic contact piece 261 , the second elastic contact piece 261 is separated from the remaining side walls of the second notch 262 . In this way, the connection strength between the second elastic contact piece 261 and the second notch 262 is low, and the second elastic contact piece 261 is more likely to elastically deform relative to the second notch 262 .

According to some specific embodiments of the present invention, as shown in FIGS. 5 , 7 and 9 , the side wall of the second notch 262 facing the adapter box 300 is connected to the second elastic contact piece 261 . In this way, the second elastic contact piece 261 is less likely to interfere with the second snap ring post, and the second elastic contact piece 261 can more easily enter the second snap ring post.

According to some specific embodiments of the present invention, as shown in Figure 5, Figure 7 and Figure 9, each first lead wire 200 is provided with a fourth clamping member 220, and the third clamping member 380 is a plurality of spaced apart connectors. A plurality of third clamping members 380 and a plurality of fourth clamping members 220 are snap-fitted in a one-to-one correspondence. The plurality of third clamping members 380 are connected into one body, and the plurality of fourth clamping members 220 are connected into one body. .

In this way, the processing steps of the plurality of third clamping members 380 are reduced, the production efficiency of the third clamping member 380 is improved, and the connection strength between the plurality of third clamping members 380 is higher, which can effectively improve the transfer box. 300 structural strength, in addition, the processing steps of the plurality of fourth clamping parts 220 are reduced, the production efficiency of the fourth clamping parts 220 is improved, and the connection strength between the plurality of fourth clamping parts 2200 is higher, which can effectively The structural strength of the plurality of fourth clamping members 220 is improved, and the plurality of fourth clamping members 220 are not easily lost during the disassembly and assembly process.

According to some specific embodiments of the present invention, as shown in Figures 2 and 4, the power box 100 is provided with a plurality of first terminals 130 spaced along a preset direction, and there are multiple first lead-out wires 200. Each first lead-out wire 200 extends into the power box 100 and is connected to a plurality of first terminals 130 in a one-to-one correspondence. In this way, the plurality of first terminals 130 are integrated in one place, and while being connected to the plurality of first lead wires 200, it is conducive to integrating the plurality of first lead wires 200, occupying less space, and improving space utilization. .

According to some specific embodiments of the present invention, as shown in FIGS. 2 and 4 , a plurality of wiring strips 140 are provided at intervals in the power box 100 , and a plurality of first terminals 130 are formed on the plurality of wiring strips 140 in one-to-one correspondence. toward one end of the plurality of first lead wires 200 . Compared with using electrical connection structures such as wires to form the first terminal, by using the wiring bar 140 to form the first terminal 130, the wiring bar 140 is easier to fix in the power box 100, and the wiring bar 140 can carry a higher current. And the heat dissipation effect is better.

According to some specific embodiments of the present invention, as shown in Figures 2 and 4, the difference in cross-sectional area of any two of the plurality of first leads is not greater than 45 mm ² . In this way, the multiple first lead wires 200 can carry approximately the same current, so the multiple first lead wires 200 occupy approximately the same space, making integration easier.

According to some specific embodiments of the present invention, as shown in FIGS. 2 and 4 , the diameters of the plurality of first lead wires 200 are the same. In this way, the multiple first lead wires 200 can carry approximately the same current, so the multiple first lead wires 200 occupy approximately the same space, making integration easier.

According to some specific embodiments of the present invention, as shown in Figures 2 and 4, the plurality of first terminals 130 include at least one of an electronically controlled positive terminal 141, an electronically controlled negative terminal 142, and a motor neutral terminal 143. two. That is to say, the plurality of first lead wires 200 include at least two of the motor neutral lead wire 201, the electronic control positive lead wire 202, and the electronic control negative lead wire 203.

Since the current carrying capacity of the motor neutral lead wire 201, the electric control positive lead wire 202 and the electronic control negative lead wire 203 are roughly the same, the diameter of the motor neutral lead wire 201, the electronic control positive lead wire 202 The diameter is roughly the same as the diameter of the electronic control negative lead wire 203, so that at least two of the motor neutral lead wire 201, the electronic control positive lead wire 202 and the electronic control negative lead wire 203 are multiplexed into one transfer box 300, except along the In the direction in which the plurality of first lead wires 200 are arranged, in other directions, at least two of the motor neutral lead wire 201, the electronic control positive lead wire 202 and the electronic control negative lead wire 203 occupy approximately the same space, which can effectively improve Space utilization.

According to some specific embodiments of the present invention, as shown in FIGS. 2 and 4 , the plurality of first terminals 130 include two motor neutral terminals 143 . That is to say, the plurality of first lead wires 200 include two motor neutral lead wires 201 . In this way, when the power distribution device 1 implements the boost charging function, the neutral lead wires 201 of the two motors can work alternately, reducing the working time of each motor and extending the service life of the motor.

According to some specific embodiments of the present invention, as shown in Figures 2 and 4, the plurality of first terminals 130 are in the width direction of the power box 100 (the direction pointed by arrow C in the figure, the direction pointed by arrow A in the figure). The length direction of the power box 100 is disposed adjacent to one side of the power box 100 . In this way, the plurality of first terminals 130 occupy less space, which is beneficial to improving space utilization.

According to some specific embodiments of the present invention, as shown in Figures 2 and 4, the power distribution device 1 for vehicles also includes a PTC (Positive Temperature Coefficient, positive temperature coefficient) connecting wire 151, and the power box 100 is provided with a third The PTC connecting wire 151 extends into the power box 100 and is connected to the second terminal. The diameter of the PTC connecting wire 151 is different from the diameter of the first lead wire 200 . By providing the PTC connection wire 151 , the power box 100 can supply power to the PTC in the vehicle so that the PTC can be heated. Since the diameter of the PTC connection wire 151 is different from the diameter of the first lead wire 200 , the PTC connection wire 151 The connected terminal and the terminal connected to the first terminal 200 are not the same area terminal.

According to some specific embodiments of the present invention, as shown in FIGS. 2 and 4 , a plurality of first lead wires 200 and PTC connecting wires 151 extend into the power box 100 from the same side of the power box 100 . In the direction, the plurality of first lead-out wires 200 are arranged adjacent to one side of the power box 100 , and the PTC connecting wires 151 are arranged adjacent to the other side of the power box 100 .

Since the diameter of the PTC connection wire 151 is different from the diameter of the first lead wire 200, the first lead wire 200 and the PTC connection wire 151 are respectively arranged on opposite sides of the width direction of the power box 100, and the first lead wire 200 and the PTC are connected. The arrangement of the lines 151 will not interfere with each other, which is beneficial to improving space utilization.

According to some specific embodiments of the present utility model, as shown in Figures 2 and 4, the power distribution device 1 for vehicles also includes an OBC (On-board charger, on-board charger) connection line 161, and the power box 100 is provided with The third terminal, the OBC connecting wire 161 extends into the power box 100 and is connected to the third terminal. The diameter of the OBC connecting wire 161 is different from the diameter of the first lead-out wire 200 . By setting the OBC connection line 161, it can be connected to the on-board charger, so that the power of the power box 100 can be input into the battery through the on-board charger to charge the battery, and since the diameter of the OBC connection line 161 is different from the diameter of the first lead wire 200 The diameters are different, so the lead-out terminal connected to the OBC connection line 161 and the lead-out end connected to the first lead-out wire 200 are not the same area lead-out ends.

According to some specific embodiments of the present invention, as shown in Figures 2 and 4, a plurality of first lead wires 200 and OBC connection wires 161 respectively extend into the power box 100 from opposite sides of the power box 100; in the power box 100 In the width direction, a plurality of first lead-out wires 200 are arranged adjacent to one side of the power box 100 , and the OBC connecting wires 161 are arranged adjacent to the other side of the power box 100 .

Since the diameters of the OBC connecting wires 161 and 161 are different from the diameters of the first lead wires 200 , the first lead wires 200 and the OBC connecting wires 161 are arranged on opposite sides of the power box 100 in the width direction. The first lead wires 200 and the OBC The arrangement of the connecting lines 161 will not interfere with each other, which is beneficial to improving space utilization.

In addition, the first lead wire 200 and the OBC connection wire 161 extend into the power box 100 from opposite sides of the power box 100 respectively. In this way, the length of the OBC connection wire 161 and the length of the first lead wire 200 can be shortened, which facilitates the layout of the entire vehicle. .

According to some specific embodiments of the present invention, as shown in Figures 2 and 4, the power distribution device 1 for vehicles also includes a charging connector 171. The power box 100 is provided with a fourth terminal 170, and the charging connector 171 extends into The power box 100 is connected to the fourth terminal 170 . In this way, the charging connector 171 can be connected to an external charging equipment such as a charging pile, so that the external charging equipment can charge the vehicle's battery through the power box 100 .

According to some embodiments of the present invention, as shown in Figures 2 and 4, a plurality of first lead wires 200 and charging connectors 171 extend into the power box 100 from the same side of the power box 100; in the width direction of the power box 100 , the plurality of first lead-out wires 200 are disposed adjacent to one side of the power box 100 , and the charging connector 171 is disposed adjacent to the other side of the power box 100 . In this way, the layout of the entire vehicle is facilitated, in which the charging connector 171 and the PTC connection line 151 can be arranged at intervals along the thickness direction of the power box 100 (the direction indicated by arrow B in the figure).

According to some specific embodiments of the present invention, as shown in Figures 3 and 8, the power distribution device 1 for vehicles also includes a core of magnetic components. The power box 100 is configured with a mounting slot, and the core of the magnetic components is installed in the installation slot. In the slot, the power box 100 is used as a housing for the magnetic core component.

In this way, the housing of the magnetic component is equivalent to being directly composed of the power box 100. The core of the magnetic component is separated from the power box 100, which is conducive to the integrated arrangement of the power box 100, and the structure is more compact and the space size is reduced. It is beneficial to the layout of the entire vehicle, reducing the types of materials and assembly processes, and reducing production management and manufacturing costs.

In addition, if the core of the magnetic component is provided with a separate housing, the heat dissipation of the core of the magnetic component needs to go through the housing of the magnetic component and the power box 100. However, in the present utility model, the heat dissipation of the core of the magnetic component only needs to go through Power box 100 greatly improves heat dissipation efficiency.

According to some specific embodiments of the present invention, as shown in Figures 3 and 8, the magnetic component is an inductor, the installation groove includes a first installation groove 181, and the core 410 of the inductor is installed in the first installation groove 181. In this way, the inductor does not need to be provided with a separate housing, and the core 410 of the inductor can be directly assembled into the first mounting slot 181. The first mounting slot 181 is constructed from the power box 100, which is conducive to the integrated arrangement of the power box 100, and the structure It is more compact and the space size is reduced, which is beneficial to the layout of the entire vehicle. The types of materials and assembly processes are reduced, and the production management and manufacturing costs are reduced. The heat dissipation path of the inductor core 410 is shortened and the heat dissipation efficiency is improved.

According to some specific embodiments of the present invention, as shown in FIGS. 3 and 8 , an inductor thermally conductive adhesive 420 is provided between the core 410 of the inductor and the cavity wall of the first installation groove 181 . In this way, the relative position between the inductor core 410 and the power box 100 is more reliable, and the heat conduction effect between the inductor core 410 and the cavity wall of the first installation groove 181 is better.

According to some specific embodiments of the present invention, as shown in Figures 3 and 8, the power box 100 is provided with a cooling liquid channel, and the cooling liquid in the cooling liquid channel dissipates heat for the inductor core 410 through the cavity wall of the first mounting groove 181. . By arranging the cooling liquid channel, the heat dissipation efficiency of the inductor core 410 can be improved and the working efficiency of the inductor core 410 can be ensured.

According to some specific embodiments of the present invention, as shown in Figures 3 and 8, the magnetic component is a magnetic ring, the installation groove includes a second installation groove 182, and the core 430 of the magnetic ring is installed in the second installation groove 182. In this way, the magnetic ring does not need to be provided with a separate housing, and the core 430 of the magnetic ring can be directly assembled into the second installation slot 182. The second installation slot 182 is constructed from the power supply box 100, which is conducive to the integrated installation of the power supply box 100. Moreover, the structure is more compact and the space size is reduced, which is beneficial to the layout of the entire vehicle. The types of materials and assembly processes are reduced, and the production management and manufacturing costs are reduced. The heat dissipation path of the core 430 of the magnetic ring is shortened and the heat dissipation efficiency is increased.

According to some specific embodiments of the present invention, as shown in Figures 3 and 8, a magnetic ring fixing glue 440 is provided between the core 430 of the magnetic ring and the cavity wall of the magnetic ring installation groove. In this way, the relative position between the core body 430 of the magnetic ring and the power box 100 is more reliable, the connection is more stable, and the heat conduction effect between the core body 430 of the magnetic ring and the cavity wall of the first installation slot 181 is better.

According to some specific embodiments of the present invention, as shown in Figures 3 and 8, the power box 100 is provided with a charging port mounting base 190, and the second mounting slot 182 is constructed in the charging port mounting base 190; the charging connector 171 passes through the power supply. The box 100 is installed on the charging port mounting base 190, and the core 430 of the magnetic ring surrounds the charging connector 171.

In this way, the charging port mounting base 190 integrates the two functions of installing the charging connector 171 and the core 430 of the magnetic ring. The power box 100 has a higher degree of integration, and since the core 430 of the magnetic ring is installed on the charging port mounting seat 190 Therefore, it is more convenient for the core 430 of the magnetic ring to surround the charging connector 171, so that the core 430 of the magnetic ring can reduce electromagnetic interference to the charging connector 171.

The working process of the power distribution device 1 for vehicles is described below with reference to Appendix 2 as an example:

When the power distribution device 1 is charging, when the charging voltage is higher than 750V, the charging gun on the charging pile is connected to the charging connector 171. The positive electrode of the DC charging circuit of the power distribution device 1 includes the first charging port positive copper bar 500 and the first charging port connected in sequence. A fuse 510, the first electronically controlled positive copper bar 520, the second charging port positive copper bar 530, the positive contactor 540 and the second electronically controlled positive copper bar 550, wherein the first charging port positive copper bar 500 is connected to the charging connector The positive electrode of 171 is connected. The negative electrode of the DC charging circuit of the power distribution device 1 includes the negative electrode copper bar 600 of the first charging port, the negative electrode contactor 610, the negative electrode copper bar 620 of the second charging port and the electronically controlled negative copper bar 630, which are connected in sequence. The negative electrode copper bar 600 of the first charging port is connected to the negative electrode of the charging connector 171, the second electronically controlled positive copper bar 550 is connected to the electronically controlled positive lead wire 202, the electronically controlled negative copper bar 630 is connected to the electronically controlled negative lead wire 203, and finally enters The battery pack reuses the electronically controlled positive electrode lead 202 and the electronically controlled negative lead 203 during the DC charging process;

When the power distribution device 1 is charging, when the charging voltage is lower than 750V, the charging gun on the charging pile is connected to the charging connector 171. The positive electrode of the DC boost charging circuit of the power distribution device 1 includes the positive electrode copper bar 500 of the first charging port connected in sequence. , the first fuse 510, the first electronically controlled positive copper bar 520, the second charging port positive copper bar 530, the third charging port positive copper bar 560, the core of the inductor 410, the charging port positive copper bar 570, the fifth charging The positive electrode copper bar 580 of the first charging port, the motor neutral contactor 590, and the motor neutral copper bar 591. Among them, the positive copper bar 500 of the first charging port is connected to the positive electrode of the charging connector 171, and the negative electrode of the DC charging circuit of the power distribution device 1 is connected in sequence. The first charging port negative copper bar 600, the negative contactor 610, the second charging port negative copper bar 620 and the electronically controlled negative copper bar 630, wherein the first charging port negative copper bar 600 is connected to the negative pole of the charging connector 171, in the motor The sexual copper bar 591 is connected to the motor neutral lead wire 201, the electronic control negative copper bar 630 is connected to the electronic control negative lead wire 203, and finally enters the battery pack, and the electronic control negative lead wire 203 is reused during the DC charging process. , the motor neutral lead wire 201 of the motor.

When the power distribution device 1 supplies power to the PTC, the heating positive power supply circuit includes the electrically controlled positive lead wire 202, the second electronically controlled positive copper bar 550, the connecting wire 700 and the first fuse 710, which are connected in sequence. The positive electrode of the PTC connecting wire 151 is connected to the electronically controlled negative electrode lead 203 and the electronically controlled negative electrode copper bar 630, and the negative electrode of the PTC connecting wire 151 is connected to the electronically controlled negative electrode copper bar 630.

When the power distribution device 1 supplies power to the vehicle-mounted power battery, the positive electrode of the power battery distribution circuit includes the electronically controlled positive lead wire 202, the second electronically controlled positive electrode copper bar 550, the connecting wire 700 and the second fuse 720, which are connected in sequence. The negative electrode of the power distribution circuit includes the electrically controlled negative lead wire 203, the electrically controlled negative copper bar 630, the second charging port negative copper bar 620, the positive electrode of the OBC connecting line 161 and the connection, and the negative electrode of the OBC connecting line 161 is connected to the second charging port. Negative copper bar 620 connection;

The power distribution device 1 has a voltage detection circuit. The positive electrode of the voltage detection circuit includes the positive electrode copper bar 800 of the sixth charging port and the positive sampling line 810, which are connected in sequence. The second charging port has a negative copper bar 620, a negative sampling line 820, and a capacitance sampling line 830. Among them, the positive sampling line 810, the negative sampling line 820, and the capacitance sampling line 830 are respectively connected to the detection board 840. The vehicle battery management The detector is connected to the detection board 840;

The power distribution device 1 has a current sensor 850 and a temperature sensor 860. The current sensor 850 is connected to the first electronically controlled positive copper bar 520. The temperature sensor 860 is connected to the core 410 of the inductor. The current sensor 850 and the temperature sensor 860 are respectively connected to the detection board 840. connect.

The vehicle battery management system uses the parameters fed back by the detection board 840 to control the contactor's pull-in conduction circuit to realize the charging and distribution function, and to protect the circuit safety.

The vehicle according to the embodiment of the present invention is described below with reference to the accompanying drawings, including the power distribution device 1 for the vehicle according to the above-mentioned embodiment of the present invention.

According to the vehicle according to the embodiment of the present invention, by utilizing the small layout space required for the power distribution device 1 for the vehicle according to the above embodiment of the present invention, the space utilization rate of the entire vehicle can be improved.

Other structures and operations of the power distribution device 1 for a vehicle according to the embodiment of the present invention and the vehicle having the same are known to those of ordinary skill in the art and will not be described in detail here.

In the description of this specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" or the like is intended to be incorporated into the description of the implementation. An example or example describes a specific feature, structure, material or characteristic that is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art will understand that various changes, modifications, substitutions and changes can be made to these embodiments without departing from the principles and purposes of the present invention. Modifications, the scope of the present invention is defined by the claims and their equivalents.

Claims (40)

1. An electrical distribution device for a vehicle, comprising:

the power supply box is provided with a first clamping piece;

the first outgoing line stretches into the power box and is provided with a second clamping piece, and the first clamping piece is matched with the second clamping piece in a clamping way so as to fix the relative position of the first outgoing line and the power box.

2. The electrical distribution device for a vehicle of claim 1, wherein the first clip comprises a first clip post through which the first lead-out wire extends into the power box;

the second clamping piece comprises a first clamping ring sleeve surrounding the first outgoing line, the first clamping ring sleeve is sleeved on the first clamping ring column, one of the first clamping ring sleeve and the first clamping ring column is provided with a first clamping groove, the other one of the first clamping ring sleeve and the first clamping ring column is provided with a first clamping buckle, and the first clamping buckle is clamped with the first clamping groove.

3. The electrical distribution device for vehicle according to claim 2, wherein the first snap ring is provided with a plurality of first open openings arranged at intervals along the circumferential direction thereof, a first claw is defined between two adjacent first open openings, one of the first claw and the first snap ring column is provided with the first snap groove and the other one is provided with the first buckle.

4. The electrical distribution device for vehicle according to claim 2, wherein the power supply box is provided with a wire passing port, and the first outgoing wire passes through the wire passing port of the power supply box;

the first clamping piece further comprises a first fixed ring sleeve connected with the outer peripheral surface of the first outgoing line, the first clamping ring sleeve is connected with the first fixed ring sleeve, and the first clamping ring column is stopped at the first fixed ring sleeve in the extending direction of the central axis of the wire passing port.

5. The power distribution device for a vehicle according to claim 2, wherein the first lead-out wire is sleeved with a first seal ring, and the first seal ring extends into the first snap ring column and is matched with an inner peripheral surface of the first snap ring column;

the first sealing ring is positioned in the first clamping ring sleeve in the extending direction of the first outgoing line.

6. The power distribution device for a vehicle according to claim 2, wherein the first lead-out wire is sleeved with a first shielding ring, the first shielding ring is connected with the shielding layer of the first lead-out wire, and the first shielding ring extends into the first clamping ring post and is matched with the inner peripheral surface of the first clamping ring post.

7. The electrical distribution device for vehicle of claim 6, wherein the first shield ring includes a first ring body and a first elastic abutment piece connected to the first ring body, the first elastic abutment piece exceeding an outer peripheral surface of the first ring body and abutting an inner peripheral surface of the first snap ring post.

8. The electrical distribution device for vehicle according to claim 7, wherein the first ring body is provided with a first notch, a side wall of the first notch is connected to the first elastic abutment piece, and the first elastic abutment piece is separated from the remaining side walls of the first notch.

9. The electrical distribution device for vehicle of claim 8, wherein a side wall of the first cutout facing the power supply box connects the first elastic abutment piece.

10. The power distribution device for a vehicle according to claim 1, wherein the first outgoing lines are a plurality of arranged at intervals, each of the first outgoing lines is provided with the second clamping member, the plurality of first clamping members are a plurality of arranged at intervals, and the plurality of first clamping members are in one-to-one corresponding clamping fit with the plurality of second clamping members.

11. The electrical distribution device for vehicle of claim 10, wherein a plurality of the first clamping members are integrally connected, and a plurality of the second clamping members of the first outgoing line are integrally connected.

12. The power distribution apparatus for a vehicle according to claim 1, characterized by further comprising:

the switching box, the switching box has adjacent first lateral wall and second lateral wall, the one end of first lead-out wire stretches into the power supply box and with the power supply box is connected, the other end of first lead-out wire is followed first lateral wall inserts the switching box, the second lateral wall is suitable for the second lead-out wire to insert the switching box, the switching box will first lead-out wire with the second lead-out wire electricity is connected.

13. The electrical distribution device for vehicle of claim 12, wherein the junction box is provided with a third clamping member, the first outgoing line is provided with a fourth clamping member, and the third clamping member and the fourth clamping member are in clamping fit to fix the relative positions of the first outgoing line and the junction box.

14. The electrical distribution device for a vehicle of claim 13, wherein the third clip comprises a second clip post through which the first lead-out wire passes;

The fourth clamping piece comprises a second clamping ring sleeve surrounding the first outgoing line, the second clamping ring sleeve is sleeved on the second clamping ring column, one of the second clamping ring sleeve and the second clamping ring column is provided with a second clamping groove, the other one of the second clamping ring sleeve and the second clamping ring column is provided with a second clamping buckle, and the second clamping buckle is clamped with the second clamping groove.

15. The electrical distribution device for vehicle of claim 14, wherein the second snap ring is provided with a plurality of second open openings arranged at intervals along a circumferential direction thereof, a second claw is defined between adjacent two of the second open openings, one of the second claw and the second snap ring column is provided with the second snap groove and the other is provided with the second snap buckle.

16. The electrical distribution device for vehicle of claim 14, wherein the junction box is provided with a wire passing port, the first outgoing wire passing through the wire passing port of the power box;

the fourth clamping piece further comprises a second fixed ring sleeve connected with the outer peripheral surface of the first outgoing line, the second clamping ring sleeve is connected with the second fixed ring sleeve, and the second clamping ring column is stopped at the second fixed ring sleeve in the extending direction of the central axis of the wire passing port.

17. The electrical distribution device for vehicle according to claim 16, wherein the second outlet is sleeved with a second sealing ring, the second sealing ring extending into the second snap ring post and being fitted with an inner peripheral surface of the second snap ring post;

the second sealing ring is positioned in the second clamping ring sleeve in the extending direction of the first outgoing line.

18. The electrical distribution device for vehicle according to claim 14, wherein the first lead-out wire is sleeved with a second shielding ring, the second shielding ring is connected with the shielding layer of the first lead-out wire, and the second shielding ring extends into the second clamping ring post and is matched with the inner peripheral surface of the second clamping ring post.

19. The electrical distribution device for vehicle of claim 18, wherein the second shield ring includes a second ring body and a second elastic abutment piece connected to the second ring body, the second elastic abutment piece exceeding an outer peripheral surface of the second ring body and abutting against an inner peripheral surface of the second snap ring post.

20. The electrical distribution device for vehicle of claim 19, wherein the second ring body is provided with a second notch, a side wall of the second notch being connected to the second elastic abutment piece, the second elastic abutment piece being separated from the remaining side walls of the second notch.

21. The electrical distribution device for vehicle of claim 20, wherein a side wall of the second cutout facing the junction box connects the second resilient abutment tab.

22. The electrical distribution device for vehicle according to claim 13, wherein the first outgoing lines are a plurality of arranged at intervals, each of the first outgoing lines being provided with the fourth clip;

the third clamping pieces are arranged at intervals, and the third clamping pieces and the fourth clamping pieces are in one-to-one corresponding clamping fit.

23. The electrical distribution device for vehicle of claim 22, wherein a plurality of the third clamping members are integrally connected, and a plurality of the fourth clamping members are integrally connected.

24. The electrical distribution device for vehicle of claim 10 or 23, wherein the plurality of first outlets includes at least two of a motor neutral outlet, an electrically controlled positive outlet, and an electrically controlled negative outlet.

25. The electrical distribution device for vehicle of claim 10 or 23, wherein the plurality of first outlets comprises two motor neutral outlets.

26. The power distribution device for a vehicle according to claim 1, wherein a plurality of first terminals are provided in the power supply box at intervals along a predetermined direction, the first lead wires are provided in plurality, and the plurality of first lead wires extend into the power supply box and are connected in one-to-one correspondence with the plurality of first terminals, respectively.

27. The electrical distribution device for vehicle according to claim 26, wherein a plurality of wiring rows are provided at intervals in the power supply box, and a plurality of the first terminals are formed at one end of the plurality of wiring rows toward the plurality of first lead-out wires in one-to-one correspondence.

28. The electrical distribution device for vehicle of claim 27, wherein the difference in cross-sectional area of any two of the plurality of first outlets is no greater than 45mm ² 。

29. The electrical distribution device for vehicle of claim 28, wherein the diameters of the plurality of first outlets are the same.

30. The electrical distribution device for vehicle of claim 27, wherein the plurality of first terminals includes at least two of an electronically controlled positive terminal, an electronically controlled negative terminal, and a motor neutral terminal.

31. The electrical distribution device for vehicle of claim 27, wherein the plurality of first terminals comprises two motor neutral terminals.

32. The electrical distribution device for vehicle of claim 27, wherein the plurality of first terminals are provided adjacent to one side of the power supply box in the width direction of the power supply box.

33. The electrical distribution device for vehicle of claim 27, further comprising:

the PTC connecting wire is arranged in the power box, the PTC connecting wire stretches into the power box and is connected with the second connecting wire, and the diameter of the PTC connecting wire is different from that of the first outgoing wire.

34. The electrical distribution device for vehicle of claim 33, wherein a plurality of the first lead-out wires and the PTC connection wires extend into the power supply box from the same side of the power supply box;

in the width direction of the power supply box, a plurality of first outgoing lines are arranged adjacent to one side of the power supply box, and the PTC connecting lines are arranged adjacent to the other side of the power supply box.

35. The electrical distribution device for vehicle of claim 27, further comprising:

the OBC connecting wire, be equipped with the third wiring end in the power supply box, OBC connecting wire stretches into the power supply box and with the third wiring end is connected, the diameter of OBC connecting wire with the diameter of first lead-out wire is different.

36. The electrical distribution device for vehicle of claim 35, wherein a plurality of the first lead-out wires and the OBC connecting wires extend into the power box from opposite sides thereof, respectively;

In the width direction of the power supply box, a plurality of first outgoing lines are arranged adjacent to one side of the power supply box, and the OBC connecting line is arranged adjacent to the other side of the power supply box.

37. The electrical distribution device for vehicle of claim 27, further comprising:

the charging connector is arranged in the power supply box and is connected with the fourth wiring terminal, and the charging connector stretches into the power supply box.

38. The electrical distribution device for vehicle of claim 37, wherein the plurality of first outlets and the charging connector extend into the power box from the same side of the power box;

in the width direction of the power supply box, a plurality of the first outgoing lines are arranged adjacent to one side of the power supply box, and the charging connector is arranged adjacent to the other side of the power supply box.

39. A vehicle comprising a power distribution apparatus for a vehicle according to any one of claims 1 to 38;

and a second outgoing line.

40. The vehicle of claim 39, wherein the power distribution device comprises: the switching box, the second lead-out wire is a plurality of that the interval set up, and a plurality of first lead-out wire and a plurality of the second lead-out wire passes through the switching box one-to-one is electric to be connected.