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

Power distribution device for vehicle and vehicle with same Download PDF

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Publication number
CN220615727U
CN220615727U CN202322025179.3U CN202322025179U CN220615727U CN 220615727 U CN220615727 U CN 220615727U CN 202322025179 U CN202322025179 U CN 202322025179U CN 220615727 U CN220615727 U CN 220615727U
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China
Prior art keywords
clamping
distribution device
vehicle
ring
box
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CN202322025179.3U
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Chinese (zh)
Inventor
康红军
尚小良
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BYD Co Ltd
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BYD Co Ltd
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Priority to CN202322025179.3U priority Critical patent/CN220615727U/en
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Abstract

The utility model discloses a power distribution device for a vehicle and a vehicle with the same, wherein the power distribution device for the vehicle comprises: 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. According to the embodiment of the utility model, the positioning between the power box and the first outgoing line of the power distribution device for the vehicle is reliable, and the probability of damaging the first outgoing line is low.

Description

Power distribution device for vehicle and vehicle with same
Technical Field
The utility model relates to the field of vehicle power distribution, in particular to a power distribution device for a vehicle and the vehicle with the same.
Background
The distribution device in the related art is connected with the outgoing line, the distribution device is electrically connected with other electrical components of the vehicle through the outgoing line, but the wire passing hole of the distribution device in the related art is generally positioned and sealed only through the sealing ring, and the sealing ring cannot reliably position the distribution device and the outgoing line, so that the outgoing line has higher damage risk when the outgoing line is pulled.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. To this end, an object of the present utility model is to propose a power distribution device for a vehicle, which is reliable in positioning between a power box and a first outgoing line of the power distribution device for a vehicle, the probability of the first outgoing line being damaged being low.
The utility model also provides a vehicle with the power distribution device for the vehicle.
In order to achieve the above object, an embodiment according to a first aspect of the present utility model proposes 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.
According to the embodiment of the utility model, the positioning between the power box and the first outgoing line of the power distribution device for the vehicle is reliable, and the probability of damaging the first outgoing line is low.
According to some embodiments of the utility model, the first clamping member comprises a first clamping ring post, and the first outgoing line extends into the power supply box through the first clamping ring post; 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.
According to some embodiments of the utility model, the first clamping ring sleeve is provided with a plurality of first open openings which are arranged at intervals along the circumferential direction of the first clamping ring sleeve, a first claw is defined between two adjacent first open openings, one of the first claw and the first clamping ring column is provided with the first clamping groove, and the other one of the first claw and the first clamping ring column is provided with the first clamping buckle.
According to some embodiments of the utility model, 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 hole.
According to some embodiments of the utility model, the first lead-out wire is sleeved with a first sealing ring, and the first sealing ring stretches into the first clamping ring column and is matched with the inner peripheral surface of the first clamping ring column; the first sealing ring is positioned in the first clamping ring sleeve in the extending direction of the first outgoing line.
According to some embodiments of the utility model, 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 column and is matched with the inner peripheral surface of the first clamping ring column.
According to some embodiments of the utility model, the first shielding ring comprises a first ring body and a first elastic abutment piece connected to the first ring body, wherein the first elastic abutment piece exceeds the outer peripheral surface of the first ring body and abuts against the inner peripheral surface of the first clamping ring post.
According to some embodiments of the utility model, the first ring body is provided with a first notch, one side wall of the first notch is connected with the first elastic supporting piece, and the first elastic supporting piece is separated from the other side walls of the first notch.
According to some embodiments of the utility model, a side wall of the first notch facing the power box is connected to the first elastic abutment piece.
According to some embodiments of the present utility model, the first outgoing lines are a plurality of spaced-apart first connectors, each of the first outgoing lines is provided with the second clamping member, the plurality of first clamping members are a plurality of spaced-apart first connectors, and the plurality of first clamping members are in one-to-one corresponding clamping fit with the plurality of second clamping members.
According to some embodiments of the utility model, the first clamping pieces are integrally connected, and the second clamping pieces of the first outgoing lines are integrally connected.
According to some embodiments of the utility model, the power distribution device for a vehicle further includes: 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.
According to some embodiments of the utility model, the adapter box is provided with a third clamping piece, the first outgoing line is provided with a fourth clamping piece, and the third clamping piece and the fourth clamping piece are matched in a clamping way so as to fix the relative position of the first outgoing line and the adapter box.
According to some embodiments of the utility model, the third clamping member comprises a second clamping ring post through which the first outgoing line 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.
According to some embodiments of the utility model, the second clamping ring sleeve is provided with a plurality of second open openings which are arranged at intervals along the circumferential direction of the second clamping ring sleeve, a second claw is defined between two adjacent second open openings, one of the second claw and the second clamping ring column is provided with the second clamping groove, and the other is provided with the second clamping buckle.
According to some embodiments of the utility model, the junction 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 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.
According to some embodiments of the utility model, the second lead-out wire is sleeved with a second sealing ring, and the second sealing ring stretches into the second clamping ring column and is matched with the inner peripheral surface of the second clamping ring column; the second sealing ring is positioned in the second clamping ring sleeve in the extending direction of the first outgoing line.
According to some embodiments of the utility model, 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 stretches into the second clamping ring column and is matched with the inner peripheral surface of the second clamping ring column.
According to some embodiments of the utility model, the second shielding ring comprises a second ring body and a second elastic abutment piece connected to the second ring body, wherein the second elastic abutment piece exceeds the outer peripheral surface of the second ring body and abuts against the inner peripheral surface of the second clamping ring post.
According to some embodiments of the utility model, the second ring body is provided with a second notch, one side wall of the second notch is connected with the second elastic abutment piece, and the second elastic abutment piece is separated from the other side walls of the second notch.
According to some embodiments of the utility model, a side wall of the second notch facing the adapter box is connected to the second elastic abutment piece.
According to some embodiments of the present utility model, the first outgoing lines are a plurality of first outgoing lines arranged at intervals, and each first outgoing line is provided with the fourth clamping piece; 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.
According to some embodiments of the utility model, a plurality of the third clamping pieces are connected into a whole, and a plurality of the fourth clamping pieces are connected into a whole.
According to some embodiments of the utility model, the plurality of first outlets includes at least two of a motor neutral outlet, an electronically controlled positive outlet, and an electronically controlled negative outlet.
According to some embodiments of the utility model, the plurality of first outlets comprises two motor neutral outlets.
According to some embodiments of the present utility model, a plurality of first terminals are disposed in the power box at intervals along a preset direction, and the plurality of first lead wires extend into the power box and are connected to the plurality of first terminals in a one-to-one correspondence manner.
According to some embodiments of the utility model, a plurality of wiring rows are arranged in the power box at intervals, and a plurality of first wiring terminals are formed at one end, facing a plurality of first outgoing lines, of the wiring rows in a one-to-one correspondence manner.
According to some embodiments of the utility model, the difference in cross-sectional area of any two of the plurality of first lead-out wires is no greater than 45mm 2 。
According to some embodiments of the utility model, the diameters of the plurality of first lead wires are the same.
According to some embodiments of the utility model, 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.
According to some embodiments of the utility model, the plurality of first terminals includes two motor neutral terminals.
According to some embodiments of the utility model, the plurality of 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 utility model, the power distribution device for a vehicle further includes: 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.
According to some embodiments of the utility model, the plurality of first lead-out wires and the PTC connection wires 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 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.
According to some embodiments of the utility model, the power distribution device for a vehicle further includes: 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.
According to some embodiments of the utility model, a plurality of the first outgoing lines and the OBC connection lines extend into the power box from opposite side surfaces of the power box, 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.
According to some embodiments of the utility model, the power distribution device for a vehicle further includes: 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.
According to some embodiments of the utility model, 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.
According to a second aspect of the utility model, an embodiment provides a vehicle, which comprises the power distribution device for the vehicle and the second outgoing line according to the first aspect of the utility model, wherein the positioning between the power supply box and the first outgoing line is reliable, and the damage probability of the first outgoing line is low.
According to some embodiments of the utility model, 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.
Additional aspects and advantages of the utility model 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 utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic structural view of a power distribution apparatus according to an embodiment of the present utility model.
Fig. 2 is a schematic diagram of an internal layout of a power box according to an embodiment of the present utility model.
Fig. 3 is an exploded view between a power box and a core of an inductor according to an embodiment of the present utility model.
Fig. 4 is a schematic connection diagram of a power box, a first outlet, and a junction box according to an embodiment of the present utility model.
Fig. 5 is a schematic cross-sectional view of the connection of the power box, the first outlet and the junction box according to an embodiment of the present utility model.
Fig. 6 is a partial schematic view of the connection of the power box, the first outlet and the junction box according to an embodiment of the present utility model.
Fig. 7 is an exploded view of a power box, a first outlet, and a junction box according to an embodiment of the present utility model.
Fig. 8 is an exploded view of a charging port mount of a power box and a core of a magnetic ring according to an embodiment of the present utility model.
Fig. 9 is a partial schematic view of a power box according to an embodiment of the present utility model.
Fig. 10 is a partial enlarged view of the area a in fig. 5.
Fig. 11 is a partial enlarged view of the area B in fig. 7.
Reference numerals:
distribution device 1, underbody 2,
The power box 100, the first clamping piece 110, the first buckle 112, the wire passing port 120, the first wiring terminal 130, the wiring row 140, the electric control positive wiring terminal 141, the electric control negative wiring terminal 142, the motor neutral wiring terminal 143, the PTC connecting wire 151, the OBC connecting wire 161, the fourth wiring terminal 170, the charging connector 171, the first mounting groove 181, the second mounting groove 182, the charging port mounting seat 190,
First lead-out wire 200, motor neutral wire 201, electric control positive electrode lead-out wire 202, electric control negative electrode lead-out wire 203, second clamping member 210, first clamping ring sleeve 211, first clamping groove 212, first open opening 213, first claw 214, first fixing ring sleeve 215, fourth clamping member 220, second clamping ring sleeve 221, second clamping groove 222, second open opening 223, second claw 224, second fixing ring sleeve 225, first sealing ring 230, second sealing ring 240, first shielding ring 250, first elastic abutting piece 251, first notch 252, first ring 253, second shielding ring 260, second elastic abutting piece 261, second notch 262, second ring 263, second ring body,
The adapter box 300, the first side wall 301, the second side wall 302, the third side wall 303, the first opening 304, the second opening 305, the second outgoing line 306, the connecting piece 307, the box body 310, the connecting seat 320, the cover body 330, the first sealing ring 340, the second sealing ring 350, the connecting cylinder 360, the third sealing ring 370, the third clamping piece 380, the second buckle 382, the core 410 of the inductor, the inductance heat-conducting glue 420, the core 430 of the magnetic ring, the magnetic ring fixing glue 440,
First charging port positive copper bar 500, first fuse 510, first electrically controlled positive copper bar 520, second charging port positive copper bar 530, positive contactor 540, second electrically controlled positive copper bar 550, third charging port positive copper bar 560, fourth charging port positive copper bar 570, fifth charging port positive copper bar 580, motor neutral contactor 590, motor neutral copper bar 591, and,
The first charging port negative electrode copper bar 600, the negative electrode contactor 610, the second charging port negative electrode copper bar 620 and the electric control negative electrode copper bar 630;
a connecting wire 700, a first safety device 710, a second safety device 720,
A sixth charging port positive electrode copper bar 800, a positive electrode sampling small wire 810, a negative electrode sampling small wire 820, a capacitance sampling small wire 830, a detection plate 840, a current sensor 850 and a temperature sensor 860.
Detailed Description
Embodiments of the present utility model will be described in detail below, by way of example with reference to the accompanying drawings.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
In the description of the present utility model, "plurality" means two or more.
A power distribution apparatus 1 for a vehicle according to an embodiment of the present utility model is described below with reference to the drawings.
As shown in fig. 1 to 9, a power distribution apparatus 1 for a vehicle according to an embodiment of the present utility model includes a power box 100 and a first outlet 200.
The power box 100 is provided with a first clamping piece 110, the first outgoing line 200 extends into the power box 100, the first outgoing line 200 is provided with a second clamping piece 210, and the second clamping piece 210 is matched with the first clamping piece 110 in a clamping way so as to fix the relative positions of the first outgoing line 200 and the power box 100.
According to the power distribution device 1 for a vehicle of the embodiment of the utility model, by connecting the first outgoing line 200 with the power supply box 100, the power supply box 100 can be connected and electrically conducted with other external electric components through the first outgoing line 200, and since the power supply box 100 and the first outgoing line 200 are fixed in relative positions through the snap fit of the first snap fitting 110 and the second snap fitting 210, the connection part of the first outgoing line 200 and the second snap fitting 210 and the vicinity thereof are less likely to move relative to the power supply box 100, and thus the first outgoing line 200 is also less likely to move relative to the power supply box 100 when the first outgoing line 200 is pulled, and the probability of the first outgoing line 200 being damaged by pulling can be reduced.
As such, the positioning between the power box 100 and the first outlet 200 of the power distribution apparatus 1 for a vehicle according to the embodiment of the present utility model is reliable, and the probability of the first outlet 200 being damaged is low.
According to some embodiments of the present utility model, as shown in fig. 5, 7 and 9, the power box 100 is provided with a wire passing port 120, the first outgoing wire 200 passes through the wire passing port 120 of the power box 100, the first clamping member 110 includes a first clamping ring post surrounding the wire passing port 120 of the power box 100, and the first outgoing wire 200 passes through the first clamping ring post.
The second clamping member 210 includes a first clamping ring sleeve 211 surrounding the first outgoing line 200, the first clamping ring sleeve 211 is sleeved on a first clamping ring column, one of the first clamping ring sleeve 211 and the clamping ring column is provided with a first clamping groove 212, the other is provided with a first clamping buckle 112, and the first clamping buckle 112 is clamped with the first clamping groove 212.
In this way, the second clamping member 210 and the first clamping member 110 are clamped and fixed, and the first clamping ring column and the first clamping ring sleeve 211 encircle the wire passing opening 120, so that the first outgoing wire 200 is not influenced to extend into the power box 100.
According to some embodiments of the present utility model, as shown in fig. 5, 7 and 9, the first clamping ring 211 is provided with a plurality of first openings 213 spaced apart along the circumferential direction thereof, a first jaw 214 is defined between two adjacent first openings 213, one of the first jaw 214 and the first clamping ring column is provided with a first clamping groove 212, and the other is provided with a first clamping buckle 112.
By providing the first open openings 213 and defining the first claws 214 between the adjacent two first open openings 213, the first claws 214 are easily deformed, so that the first claws 214 can be broken off to separate the first clamping grooves 212 from the first clamps 112, so as to eliminate the connection force between the first clamping ring sleeves 211 and the first clamping ring posts, and separate the second clamping members 210 from the first clamping members 110, and take the first outgoing line 200 out of the power box 100.
According to some embodiments of the present utility model, as shown in fig. 5, 7, 9 and 10, the second clamping member 210 further includes a first fixing collar 215 connected to the outer circumferential surface of the first outgoing line 200, the first clamping collar 211 is connected to the first fixing collar 215, and the first clamping post is stopped at the first fixing collar 215 in the extending direction of the first outgoing line 200 (i.e., in the extending direction of the central axis of the wire passing port 120 of the power box 100).
By providing the first fixing collar 215, the relative position between the second clamping member 210 and the first outgoing line 200 can be fixed, and the first fixing collar 215 can be used for limiting the position of the first clamping collar post extending into the first clamping collar 211, so that the first outgoing line 200 is prevented from extending into the power box 100 too much, and the first outgoing line 200 is connected with the electrical connection structure in the power box 100.
According to some embodiments of the present utility model, as shown in fig. 5, 7, 9 and 10, the first lead wire 200 is sleeved with a first sealing ring 230, and the first sealing ring 230 extends into the first clamping ring post and is in interference fit with the inner peripheral surface of the first clamping ring post. By providing the first seal ring 230, the gap between the first lead wire 200 and the first snap ring column can be filled, and the tightness of the power box 100 can be ensured.
According to some embodiments of the present utility model, as shown in fig. 5, 7, 9 and 10, the first seal ring 230 is located inside the first clamping ring sleeve 211 in the extending direction of the first outgoing line 200. Like this, first joint ring cover 211 can form the shielding to first sealing ring 230, has reduced the damage probability of first lead-out wire 200 in placing, transportation and handling first sealing ring 230, guarantees the leakproofness after the assembly effectively, power supply box 100.
According to some embodiments of the present utility model, as shown in fig. 5, 7 and 9, the first lead wire 200 is sleeved with a first shielding ring 250, the first shielding ring 250 is connected with the shielding layer of the first lead wire 200, and the first shielding ring 250 extends into the first clamping ring post and is matched with the inner circumferential surface of the first clamping ring post. Through setting up first shielding ring 250, power supply box 100, first shielding ring 250 and shielding layer connect into one whole, can all form a complete electromagnetic shield to the electric connection structure in the power supply box 100 and the sinle silk in the first lead-out wire 200, improved the stability of distribution device 1 performance effectively.
According to some embodiments of the present utility model, as shown in fig. 5, 7, and 9-11, the first shielding ring 250 includes a first ring body 253 and a first elastic abutment piece 251 connected to the first ring body 253, where the first elastic abutment piece 251 extends beyond the outer peripheral surface of the first ring body 253 and abuts against the inner peripheral surface of the first clamping ring post. In this way, the first elastic contact piece 251 can form effective contact with the inner peripheral surface of the first clamping ring post, so that effective connection between the first shielding ring 250 and the first clamping ring post can be ensured, and the reliability of electromagnetic shielding can be ensured.
According to some embodiments of the present utility model, as shown in fig. 5, 7, and 9-11, the first ring 253 is provided with a first notch 252, one side wall of the first notch 252 is connected to the first elastic abutment piece 251, and the first elastic abutment piece 251 is separated from the other side walls of the first notch 252. In this way, the connection strength between the first elastic abutment piece 251 and the first notch 252 is low, and the first elastic abutment piece 251 is more easily elastically deformed relative to the first notch 252.
According to some embodiments of the present utility model, as shown in fig. 5, 7 and 9, a side wall of the first notch 252 facing the power box 100 is connected to the first elastic abutment piece 251. Thus, the first elastic abutment piece 251 is not easy to interfere with the first clamping ring column, and the first elastic abutment piece 251 is more convenient to extend into the first clamping ring column.
According to some embodiments of the present utility model, as shown in fig. 5, 7 and 9, the first outgoing lines 200 are a plurality of first outgoing lines 200 arranged at intervals, each first outgoing line 200 is provided with the second clamping member 210, the plurality of first clamping members 110 are a plurality of first clamping members 110 arranged at intervals, and the plurality of first clamping members 110 are in clamping fit with the plurality of second clamping members 210 in a one-to-one correspondence.
In this way, the plurality of first lead wires 200 are less likely to be damaged when pulled, and therefore the probability of damage to the lead wires of the power distribution device 1 is further reduced.
According to some embodiments of the present utility model, as shown in fig. 5, 7 and 9, the plurality of first clamping members 110 are integrally connected, and the second clamping members 120 of the plurality of first outgoing lines 200 are integrally connected. Like this, reduce the processing steps of a plurality of first joint spare 110, improve the production efficiency of first joint spare 110, and the joint strength between a plurality of first joint spare 110 is higher, can improve the structural strength of power supply box 100 effectively, reduce the processing steps of a plurality of second joint spare 120 in addition, improve the production efficiency of second joint spare 120, and the joint strength between a plurality of second joint spare 120 is higher, can improve the structural strength of a plurality of second joint spare 120 effectively, and a plurality of second joint spare 120 are difficult for taking place to lose at the dismouting in-process.
According to some embodiments of the present utility model, the power distribution device 1 for a vehicle further comprises a junction box 300, the vehicle further comprising: and a second pinout 306.
The junction box 300 has adjacent first side wall 301 and second side wall 302, one end of the first outgoing line 200 extends into the power box 100 and is connected with the power box 100, the other end of the first outgoing line 200 is connected to the junction box 300 from the first side wall 301, the second outgoing line 306 is connected to the junction box 300 from the second side wall 302, the first outgoing line 200 and the second outgoing line 306 are electrically connected through the junction box 300, and the extending direction of the second outgoing line 306 is not parallel to the extending direction of the first outgoing line 200.
The other end of the first lead wire 200 is connected to the junction box 300, so that the first lead wire 200 can transfer electric signals and currents between the power box 100 and the junction box 300, and the junction box 300 is connected with the second lead wire 306, that is, a conductive path is formed between the power box 100, the first lead wire 200, the junction box 300 and the second lead wire 306.
In addition, the junction box 300 has adjacent first and second sidewalls 301 and 302, the other end of the first lead wire 200 is connected to the junction box 300 from the first sidewall 301, and the second lead wire 306 is connected to the junction box 300 from the second sidewall 302.
That is, the extending directions of the first outgoing line 200 and the second outgoing line 306 are not the same, so by the arrangement of the junction box 300, not only the electrical connection between the first outgoing line 200 and the second outgoing line 306 is realized, but also the steering extension between the first outgoing line 200 and the second outgoing line 306 is realized, compared with the power distribution device in which the outgoing lines are directly bent in the prior art, the space required for turning between the first outgoing line 200 and the second outgoing line 306 of the power distribution device 1 in the embodiment of the utility model is smaller, and the space utilization of the whole vehicle can be improved.
According to some embodiments of the present utility model, as shown in fig. 6 and 7, the extending direction of the first outgoing line 200 and the extending direction of the second outgoing line 306 are perpendicular to each other. That is, the angle between the central axis of the first outgoing line 200 and the central axis of the second outgoing line 306 is 90 °. In this way, the area of the included angle between the first outgoing line 200 and the second outgoing line 306 is also easily utilized, and the space utilization is high, and the arrangement of the power distribution device 1 is also facilitated.
According to some embodiments of the present utility model, as shown in fig. 6 and 7, the diameter of the first lead wire 200 is the same as the diameter of the second lead wire 306. In this way, the capability of the first outgoing line 200 to carry current is the same or approximately the same as the capability of the second outgoing line 306 to carry current, so that the size of the second outgoing line 306 can be reduced and the cost can be reduced under the condition of circuit safety.
According to some embodiments of the present utility model, as shown in fig. 6 and 7, 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 more than 5 times the diameter of the first lead wire 200. In the prior art, one lead wire is connected to the power box and the lead wire is directly bent to pass through the vehicle body floor, but in this way, the bending radius of the lead wire is larger than 5 times the diameter of the lead wire, and in the present utility model, the distance between the central axis of the second lead wire 306 and the first lead wire 200 is not larger than 5 times the diameter of the first lead wire 200 in the extending direction of the first lead wire 200, whereby it is understood that the space utilization of the power distribution apparatus 1 for a vehicle in the present utility model is higher.
According to some embodiments of the present utility model, as shown in fig. 6 and 7, 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 2 times the diameter of the first lead wire 200. In this way, it is possible to ensure a high space utilization of the power distribution device 1 for a vehicle, and it is also possible to facilitate sufficient space arrangement of the electrical connection pieces connecting the first outgoing line 200 and the second outgoing line 306 in the junction box 300.
According to some embodiments of the present utility model, as shown in fig. 6 and 7, the distance between the central axis of the first lead wire 200 and the second lead wire 306 is not more than 5 times the diameter of the second lead wire 306 in the extension direction of the second lead wire 306. In the prior art, one lead wire is connected to the power box and the lead wire is directly bent to pass through the vehicle body floor, but such that the bending radius of the lead wire is larger than 5 times the diameter of the lead wire, the distance between the central axis of the first lead wire 200 and the second lead wire 306 in the extending direction of the second lead wire 306 is not larger than 5 times the diameter of the second lead wire 306 in the present utility model, whereby it is understood that the space utilization of the power distribution apparatus 1 for a vehicle in the present utility model is higher.
According to some embodiments of the present utility model, as shown in fig. 6 and 7, the distance between the central axis of the first lead wire 200 and the second lead wire 306 is 2 times the diameter of the second lead wire 306 in the extension direction of the second lead wire 306. In this way, it is possible to ensure a high space utilization of the power distribution device 1 for a vehicle, and it is also possible to facilitate sufficient space arrangement of the electrical connection pieces connecting the first outgoing line 200 and the second outgoing line 306 in the junction box 300.
According to some embodiments of the present utility model, as shown in fig. 6 and 7, the first lead wires 200 are a plurality of lead wires arranged at intervals, the second lead wires 306 are a plurality of lead wires arranged at intervals, and the plurality of first lead wires 200 and 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 of the power distribution device 1, and the plurality of first lead wires 200 multiplex the junction box 300, without providing the plurality of junction boxes 300, thereby also achieving the purpose of reducing the assembly space required by the power distribution device 1.
According to some embodiments of the present utility model, as shown in fig. 6 and 7, the plurality of first outlets 200 includes at least two of a motor neutral outlet 201, an electronically controlled positive outlet 202, and an electronically controlled negative outlet 203. Since the capacity of the motor neutral wire lead 201 to carry current, the capacity of the electric control positive electrode lead 202 to carry current, and the capacity of the electric control negative electrode lead 203 to carry current are approximately the same, the diameters of the motor neutral wire lead 201, the electric control positive electrode lead 202, and the electric control negative electrode lead 203 are approximately the same, so that at least two of the motor neutral wire lead 201, the electric control positive electrode lead 202, and the electric control negative electrode lead 203 are multiplexed into one junction box 300, and the occupied spaces of at least two of the motor neutral wire lead 201, the electric control positive electrode lead 202, and the electric control negative electrode lead 203 are approximately the same in the remaining directions except for the directions along which the plurality of first lead wires 200 are arranged, thereby effectively improving the space utilization.
According to some embodiments of the present utility model, as shown in fig. 6 and 7, the plurality of first outlets 200 includes two motor neutral outlets 201. Thus, when the power distribution device 1 realizes the boosting and charging functions, the two motor neutral line outgoing lines 201 can work alternately, so that the working time of each motor is reduced, and the service life of the motor is prolonged.
According to some embodiments of the present utility model, as shown in fig. 6 and 7, the pod 300 includes a case 310, a connector 320, and a cover 330. The first side wall 301 and the second side wall 302 are configured in the box 310, the connection base 320 is disposed in the box 310, the connection base 320 is connected with the first outgoing line 200 and the second outgoing line 306 respectively, and the cover 330 is mounted in the box 310 and covers the connection base 320 in the box 310.
Through setting up connecting seat 320, can realize the electricity between first lead-out wire 200 and the second lead-out wire 306 and box body 310 and lid 330 can shelter from the junction between connecting seat 320, first lead-out wire 200 and the second lead-out wire 306, have improved the circuit security of circuit, and box body 310 and lid 330 can metalwork to play electromagnetic shield's effect to connecting seat 320, first lead-out wire 200 and second lead-out wire 306, increase the reliability of circuit.
According to some embodiments of the present utility model, as shown in fig. 6 and 7, the box 310 further has a third side wall 303, the third side wall 303 is disposed opposite to the second side wall 302, the third side wall is configured with a first opening 304, the second side wall 302 is configured with a second opening 305, and the second side wall 302 is adapted to be mounted to the underbody 2; the connecting seat 320 is installed in the box body 310 from the first opening 304, and the second outgoing line 306 extends into the box body 310 from the second opening 305 to be connected with the connecting seat 320; the cover 330 is mounted on the third sidewall 303 and covers the first opening 304.
Through setting up first opening 304, the dismouting of connecting seat 320 of being convenient for to can fix through fastener such as bolt between connecting seat 320 and the first lead-out wire 200, connect between connecting seat 320 and the first lead-out wire 200 also can realize through first opening 304. By providing the second opening 305, the second lead-out wire 306 and the connection seat 320 can be attached to or detached from each other, and since the second opening 305 is formed in the second side wall 302 and the second side wall 302 is attached to the vehicle body floor 2, the second lead-out wire 306 is facilitated to extend continuously through the vehicle body floor 2.
According to some embodiments of the present utility model, as shown in fig. 6 and 7, the adaptor box 300 further includes a first sealing ring 340 and a second sealing ring 350. A first seal 340 is located between the third side wall 303 and the cover 330 for sealing a gap between the third side wall 303 and the cover 330, and a second seal 350 is located between the second side wall 302 and the underbody 2 for sealing a gap between the second side wall 302 and the underbody 2.
Through setting up first sealing washer 340, can realize the sealing between lid 330 and the box body 310, through setting up second sealing washer 350, can realize the sealing between automobile body bottom plate 2 and the box body 310 to the sealed effect of switching box 300 is better.
According to some embodiments of the present utility model, as shown in fig. 6 and 7, the second side wall 302 of the case 310 has a connection tube 360, the second lead wire 306 is sleeved with a connection member 307, the second lead wire 306 extends into the case 310 through the connection tube 360, the connection member 307 is mounted with the connection tube 360, wherein the connection tube 360 can be inserted into the underbody 2, and the connection member 307 is mounted with the connection tube 360.
By providing the connection barrel 360 and the connection member 307, the relative position between the second lead-out wires 306 and the junction box 300 can be fixed, and when the second lead-out wires 306 are plural, one connection member 307 can surround the plural second lead-out wires 306, so that the number of the connection members 307 is reduced, and the cost and the occupied space are reduced.
According to some embodiments of the present utility model, as shown in fig. 6 and 7, the adaptor box 300 further includes a third sealing ring 370, the third sealing ring 370 being located between the connection cylinder 360 and the connection member 307, for sealing a gap between the connection cylinder 360 and the connection member 307. By providing the third seal ring 370, the gap between the connecting member 307 and the connecting tube 360 can be sealed, thereby further improving the sealability of the junction box 300.
According to some embodiments of the present utility model, as shown in fig. 5, 7 and 9, the first outgoing line 200 is provided with a fourth clamping member 220, and the adapter box 300 is provided with a third clamping member 380, and the fourth clamping member 220 and the third clamping member 380 are in clamping fit. In this way, the first lead wire 200 and the adapter box 300 are fixedly connected, so that the relative positions of the first lead wire 200 and the adapter box 300 are fixed, and the probability of the first lead wire 200 being pulled and damaged can be reduced.
According to some embodiments of the present utility model, as shown in fig. 5, 7 and 9, the junction box 300 is provided with a wire passing port 120, the first outgoing wire 200 passes through the wire passing port 120 of the junction box 300, the fourth clamping member 220 includes a second clamping ring sleeve 221 surrounding the first outgoing wire 200, the third clamping member 380 includes a second clamping ring post surrounding the wire passing port 120 of the junction box 300, the first outgoing wire 200 passes through the second clamping ring post, the second clamping ring sleeve 221 is sleeved on the second clamping ring post, one of the second clamping ring sleeve 221 and the second clamping ring post is provided with a second clamping groove 222, and the other one is provided with a second clamping buckle 382, and the second clamping buckle 382 is clamped with the second clamping groove 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 encircle the wire passing opening 120, so that the first outgoing wire 200 is not influenced to extend into the adapter box 300.
According to some embodiments of the present utility model, as shown in fig. 5, 7 and 9, the second clamping ring sleeve 221 is provided with a plurality of second open openings 223 arranged at intervals along the circumferential direction thereof, a second jaw 224 is defined between two adjacent second open openings 223, one of the second jaw 224 and the second clamping ring column is provided with a second clamping groove 222, and the other is provided with a second clamping buckle 382.
By providing the second open openings 223 and defining the second claws 224 between two adjacent second open openings 223, the second claws 224 are easily deformed, so that the second claws 224 can be separated by snapping the second claws 224 to separate the second clamping grooves 222 from the second buckles 382, so as to eliminate the connection force between the second clamping ring sleeve 221 and the second clamping ring column, and separate the fourth clamping member 220 from the third clamping member 380, and take the first outgoing line 200 out of the junction box 300.
According to some embodiments of the present utility model, as shown in fig. 5, 7 and 9, the fourth clamping member 220 further includes a second fixing collar 225 connected to the outer circumferential surface of the first outgoing line 200, the second clamping collar 221 is connected to the second fixing collar 225, and the second clamping collar post is stopped against the second fixing collar 225 in the extending direction of the first outgoing line 200 (i.e., in the extending direction of the wire passing opening 120 of the adaptor box 300).
By providing the second fixing collar 225, the relative position between the fourth clamping member 220 and the first lead-out wire 200 can be fixed, and the second fixing collar 225 can be used for limiting the position of the second clamping collar post extending into the second clamping collar 221, so that the first lead-out wire 200 is prevented from extending into the adapter box 300 excessively, and the first lead-out wire 200 is connected with the electrical connection structure in the adapter box 300.
According to some embodiments of the present utility model, as shown in fig. 5, 7 and 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 clamping ring post and is in interference fit with the inner peripheral surface of the second clamping ring post. By providing the second seal ring 240, the gap between the first lead wire 200 and the second snap ring column can be filled, and the tightness of the junction box 300 can be ensured.
According to some embodiments of the present utility model, as shown in fig. 5, 7 and 9, the second seal ring 240 is located inside the second snap ring 221 in the extending direction of the first lead wire 200. In this way, the second clamping ring sleeve 221 can form shielding to the second sealing ring 240, so that the damage probability of the second sealing ring 240 in the processes of placing, transporting and carrying the first outgoing line 200 is reduced, and the tightness of the adapter box 300 after assembly is effectively ensured.
According to some embodiments of the present utility model, as shown in fig. 5, 7 and 9, the first lead wire 200 is sleeved with a second shielding ring 260, the second shielding ring 260 is connected with the shielding layer of the first lead wire 200, and the second shielding ring 260 extends into the second clamping ring post and is matched with the inner peripheral surface of the second clamping ring post. Through setting up second shielding ring 260, adapter box 300, second shielding ring 260 and shielding layer connect into one entity, can all form a complete electromagnetic shield to the electric connection structure of adapter box 300 and the sinle silk in the first lead-out wire 200, improved the stability of distribution device 1 performance effectively.
According to some embodiments of the present utility model, as shown in fig. 5, 7 and 9, the second shielding ring 260 includes a second ring body 263 and a second elastic abutment piece 261 connected to the second ring body 263, wherein the second elastic abutment piece 261 extends beyond the outer peripheral surface of the second ring body 263 and abuts against the inner peripheral surface of the second clamping ring post. In this way, the second elastic contact piece 261 can form effective contact with the inner peripheral surface of the second clamping ring post, so that effective connection between the second shielding ring 260 and the second clamping ring post can be ensured, and the reliability of electromagnetic shielding can be ensured.
According to some embodiments of the present utility model, as shown in fig. 5, 7 and 9, the second ring body 263 is provided with a second notch 262, one side wall of the second notch 262 is connected to the second elastic supporting piece 261, and the second elastic supporting piece 261 is separated from the other side walls of the second notch 262. In this way, the connection strength between the second elastic abutment piece 261 and the second notch 262 is low, and the second elastic abutment piece 261 is more easily elastically deformed with respect to the second notch 262.
According to some embodiments of the present utility model, as shown in fig. 5, 7 and 9, a side wall of the second notch 262 facing the adaptor box 300 is connected to the second elastic abutment piece 261. In this way, the second elastic abutment piece 261 is not easy to interfere with the second clamping ring post, and the second elastic abutment piece 261 is easier to enter the second clamping ring post.
According to some embodiments of the present utility model, as shown in fig. 5, 7 and 9, each of the first outgoing lines 200 is provided with a fourth clamping member 220, the third clamping members 380 are a plurality of third clamping members 380 arranged at intervals, the third clamping members 380 and the fourth clamping members 220 are in one-to-one corresponding clamping fit, the third clamping members 380 are connected into a whole, and the fourth clamping members 220 are connected into a whole.
Thus, the processing steps of the third clamping pieces 380 are reduced, the production efficiency of the third clamping pieces 380 is improved, the connection strength between the third clamping pieces 380 is higher, the structural strength of the transfer box 300 can be effectively improved, the processing steps of the fourth clamping pieces 220 are reduced, the production efficiency of the fourth clamping pieces 220 is improved, the connection strength between the fourth clamping pieces 2200 is higher, the structural strength of the fourth clamping pieces 220 can be effectively improved, and the fourth clamping pieces 220 are not easy to lose in the disassembly and assembly process.
According to some embodiments of the present utility model, as shown in fig. 2 and 4, a plurality of first terminals 130 are provided in the power box 100 at intervals along a predetermined direction, the plurality of first lead wires 200 are provided, and the plurality of first lead wires 200 extend into the power box 100 and are connected to the plurality of first terminals 130 in a one-to-one correspondence, respectively. In this way, the plurality of first terminals 130 are integrated in one place, and are connected with the plurality of first outgoing lines 200, which is beneficial to integrating the plurality of first outgoing lines 200, occupies a small space, and is beneficial to improving the space utilization rate.
According to some embodiments of the present utility model, as shown in fig. 2 and 4, a plurality of terminal rows 140 are disposed at intervals in the power box 100, and a plurality of first terminals 130 are formed at one end of the plurality of terminal rows 140 toward the plurality of first outlet lines 200 in a one-to-one correspondence. Compared with the first wiring terminal formed by adopting the electric connection structure such as the wire, the first wiring terminal 130 is formed by adopting the wiring row 140, the wiring row 140 is more convenient to be fixed in the power box 100, and the current which can be carried by the wiring row 140 is higher, and the heat dissipation effect is better.
According to some embodiments of the present utility model, as shown in fig. 2 and 4, the difference in cross-sectional area of any two of the plurality of first lead wires is not more than 45mm 2 . In this way, the currents that the plurality of first lead wires 200 can carry are substantially the same, so the occupation space of the plurality of first lead wires 200 is substantially the same, and integration is easier.
According to some embodiments of the present utility model, as shown in fig. 2 and 4, the diameters of the plurality of first lead wires 200 are the same. In this way, the currents that the plurality of first lead wires 200 can carry are substantially the same, so the occupation space of the plurality of first lead wires 200 is substantially the same, and integration is easier.
According to some embodiments of the present utility model, as shown in fig. 2 and 4, the plurality of first terminals 130 includes at least two of an electrically controlled positive terminal 141, an electrically controlled negative terminal 142, and a motor neutral terminal 143. That is, the plurality of first lead wires 200 includes at least two of a motor neutral lead wire 201, an electronically controlled positive lead wire 202, and an electronically controlled negative lead wire 203.
Since the capacity of the motor neutral wire lead 201 to carry current, the capacity of the electric control positive electrode lead 202 to carry current, and the capacity of the electric control negative electrode lead 203 to carry current are approximately the same, the diameters of the motor neutral wire lead 201, the electric control positive electrode lead 202, and the electric control negative electrode lead 203 are approximately the same, so that at least two of the motor neutral wire lead 201, the electric control positive electrode lead 202, and the electric control negative electrode lead 203 are multiplexed into one junction box 300, and the occupied spaces of at least two of the motor neutral wire lead 201, the electric control positive electrode lead 202, and the electric control negative electrode lead 203 are approximately the same in the remaining directions except for the directions along which the plurality of first lead wires 200 are arranged, thereby effectively improving the space utilization.
According to some embodiments of the present utility model, as shown in fig. 2 and 4, the plurality of first terminals 130 includes two motor neutral terminals 143. That is, the plurality of first outlets 200 includes two motor neutral outlets 201. Thus, when the power distribution device 1 realizes the boosting and charging functions, the two motor neutral line outgoing lines 201 can work alternately, so that the working time of each motor is reduced, and the service life of the motor is prolonged.
According to some embodiments of the present utility model, as shown in fig. 2 and 4, the plurality of first terminals 130 are disposed adjacent to one side of the power box 100 in the width direction of the power box 100 (the direction indicated by the arrow C in the drawing, the direction indicated by the arrow a in the drawing is the length direction of the power box 100). In this way, the plurality of first terminals 130 occupy less space, which is advantageous for improving space utilization.
According to some embodiments of the present utility model, as shown in fig. 2 and 4, the power distribution apparatus 1 for a vehicle further includes a PTC (Positive Temperature Coefficient ) connection line 151, a second terminal is provided in the power box 100, the PTC connection line 151 extends into the power box 100 and is connected to the second terminal, and a diameter of the PTC connection line 151 is different from a diameter of the first outlet 200. By providing the PTC connection line 151, the power supply box 100 can be made to supply power to the PTC in the vehicle so that the PTC can be heated, and since the diameter of the PTC connection line 151 is different from that of the first lead 200, the lead-out terminal to which the PTC connection line 151 is connected and the lead-out terminal to which the first lead 200 is connected are not the same area lead-out terminal.
According to some embodiments of the present utility model, as shown in fig. 2 and 4, a plurality of first lead wires 200 and PTC connection wires 151 extend into the power box 100 from the same side of the power box 100, and in the width direction of the power box 100, the plurality of first lead wires 200 are disposed adjacent to one side of the power box 100, and the PTC connection wires 151 are disposed adjacent to the other side of the power box 100.
Since the diameter of the PTC connection wire 151 is different from that of the first lead wire 200, the first lead wire 200 and the PTC connection wire 151 are disposed at opposite sides of the power box 100 in the width direction, and the arrangement of the first lead wire 200 and the PTC connection wire 151 does not interfere with each other, which is advantageous in improving space utilization.
According to some embodiments of the present utility model, as shown in fig. 2 and 4, the power distribution apparatus 1 for a vehicle further includes an OBC (On-board charger) connection line 161, a third terminal is provided in the power box 100, the OBC connection line 161 extends into the power box 100 and is connected to the third terminal, and a diameter of the OBC connection line 161 is different from a diameter of the first outgoing line 200. Through setting up OBC connecting wire 161, can be connected with on-vehicle machine that charges to make the electric quantity of power supply box 100 can be through in-vehicle machine input to the battery, charge for the battery, and because OBC connecting wire 161's diameter is different with the diameter of first lead-out wire 200, the leading-out terminal that OBC connecting wire 161 connects is not the same regional leading-out terminal with the leading-out terminal that first lead-out wire 200 is connected.
According to some embodiments of the present utility model, as shown in fig. 2 and 4, a plurality of first outgoing lines 200 and OBC connection lines 161 extend into the power box 100 from opposite sides of the power box 100, respectively; in the width direction of the power supply box 100, a plurality of first lead wires 200 are provided adjacent to one side of the power supply box 100, and OBC connection wires 161 are provided adjacent to the other side of the power supply box 100.
Since the diameters of the OBC connection lines 161 and the first lead lines 200 are different from each other, the first lead lines 200 and the OBC connection lines 161 are disposed on opposite sides of the power box 100 in the width direction, and the arrangement of the first lead lines 200 and the OBC connection lines 161 does not interfere with each other, which is advantageous in improving space utilization.
In addition, the first outgoing line 200 and the OBC connection line 161 extend into the power box 100 from opposite side surfaces of the power box 100, respectively, so that the length of the OBC connection line 161 and the length of the first outgoing line 200 are conveniently shortened, and the whole vehicle arrangement is conveniently performed.
According to some embodiments of the present utility model, as shown in fig. 2 and 4, the power distribution apparatus 1 for a vehicle further includes a charging connector 171, a fourth terminal 170 is provided in the power box 100, and the charging connector 171 extends into the power box 100 and is connected to the fourth terminal 170. In this way, the charging connector 171 can be connected to a charging device such as an external charging post, so that the external charging device can charge the battery of the vehicle through the power supply box 100.
According to some embodiments of the present utility model, as shown in fig. 2 and 4, a plurality of first outlet wires 200 and charging contacts 171 extend into the power box 100 from the same side of the power box 100; in the width direction of the power supply box 100, a plurality of first outgoing lines 200 are provided adjacent to one side of the power supply box 100, and the charging connector 171 is provided adjacent to the other side of the power supply box 100. In this way, the arrangement of the whole vehicle is facilitated, in which the charging connector 171 and the PTC connection line 151 may be arranged at intervals in the thickness direction (the direction indicated by the arrow B in the figure) of the power supply box 100.
According to some embodiments of the present utility model, as shown in fig. 3 and 8, the power distribution apparatus 1 for a vehicle further includes a core of a magnetic component, the power supply box 100 configuring a mounting groove in which the core of the magnetic component is mounted to function as a housing of the magnetic core component using the power supply box 100.
Thus, the shell of the magnetic component is equivalent to being directly formed by the power supply box 100, and the core of the magnetic component and the power supply box 100 are separately arranged, so that the integrated arrangement of the power supply box 100 is facilitated, the structure is more compact, the space size is reduced, the arrangement of the whole vehicle is facilitated, the material types and assembly procedures are reduced, and the production management and manufacturing cost are reduced.
In addition, if the core of the magnetic component is additionally provided with the housing separately, the heat dissipation of the core of the magnetic component needs to pass through the housing of the magnetic component and the power supply box 100, but in the present utility model, the heat dissipation of the core of the magnetic component only needs to pass through the power supply box 100, so that the heat dissipation efficiency is greatly improved.
According to some embodiments of the present utility model, as shown in fig. 3 and 8, the magnetic component is an inductor, the mounting groove includes a first mounting groove 181, and a core 410 of the inductor is mounted in the first mounting groove 181. Thus, the inductor does not need to be provided with a separate shell, the core 410 of the inductor can be directly assembled into the first mounting groove 181, the first mounting groove 181 is formed by the power box 100, the integrated arrangement of the power box 100 is facilitated, the structure is more compact, the space size is reduced, the arrangement of the whole inductor is facilitated, the material types and the assembly procedures are reduced, the production management and manufacturing cost are reduced, the heat dissipation path of the core 410 of the inductor is shortened, and the heat dissipation efficiency is increased.
According to some embodiments of the present utility model, as shown in fig. 3 and 8, an inductance heat-conducting glue 420 is provided between the core 410 of the inductance and the cavity wall of the first mounting slot 181. In this way, the relative position between the core 410 of the inductor and the power box 100 is more reliable, and the heat conduction effect between the core 410 of the inductor and the cavity wall of the first mounting groove 181 is better.
According to some embodiments of the present utility model, as shown in fig. 3 and 8, the power box 100 is provided with a cooling fluid channel, and the cooling fluid in the cooling fluid channel dissipates heat through the cavity wall of the first mounting groove 181 to the core 410 of the inductor. By arranging the cooling liquid channel, the heat dissipation efficiency of the core 410 of the inductor can be improved, and the working efficiency of the core 410 of the inductor is ensured.
According to some embodiments of the present utility model, as shown in fig. 3 and 8, the magnetic member is a magnetic ring, the mounting groove includes a second mounting groove 182, and a core 430 of the magnetic ring is mounted in the second mounting groove 182. Thus, the magnetic ring does not need to be provided with a shell separately, the core 430 of the magnetic ring can be directly assembled into the second mounting groove 182, the second mounting groove 182 is formed by the power box 100, the integrated arrangement of the power box 100 is facilitated, the structure is more compact, the space size is reduced, the arrangement of the whole vehicle is facilitated, the material types and the assembly procedures are reduced, the production management and manufacturing cost 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 embodiments of the present utility model, as shown in fig. 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 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 430 of the magnetic ring and the cavity wall of the first mounting groove 181 is better.
According to some embodiments of the present utility model, as shown in fig. 3 and 8, a charging port mount 190 is provided in the power box 100, and the second mount groove 182 is configured on the charging port mount 190; the charging connector 171 passes through the power box 100 and is mounted on the charging port mounting seat 190, and the core 430 of the magnetic ring surrounds the charging connector 171.
Thus, the charging port mounting seat 190 integrates two functions of mounting the charging connector 171 and the core 430 of the magnetic ring, the integration degree of the power box 100 is higher, and the core 430 of the magnetic ring is more convenient to surround the charging connector 171 because the core 430 of the magnetic ring is mounted on the charging port mounting seat 190, so that the core 430 of the magnetic ring can reduce electromagnetic interference to the charging connector 171.
The following describes the operation of the power distribution device 1 for a vehicle by way of example with reference to fig. 2:
when the power distribution device 1 is charged, when the charging voltage is higher than 750V, a charging gun on a charging pile is connected with a charging joint 171, a direct-current charging loop anode of the power distribution device 1 comprises a first charging port anode copper bar 500, a first fuse 510, a first electric control anode copper bar 520, a second charging port anode copper bar 530, an anode contactor 540 and a second electric control anode copper bar 550 which are sequentially connected, wherein the first charging port anode copper bar 500 is connected with the anode of the charging joint 171, a direct-current charging loop cathode of the power distribution device 1 comprises a first charging port cathode copper bar 600, a cathode contactor 610, a second charging port cathode copper bar 620 and an electric control cathode copper bar 630 which are sequentially connected, the first charging port cathode copper bar 600 is connected with the cathode of the charging joint 171, the second electric control anode copper bar 550 is connected with an electric control anode lead-out wire 202, the electric control cathode copper bar 630 is connected with an electric control cathode lead-out wire 203, and finally enters a battery pack, and the electric control anode lead-out wire 202 and the electric control cathode 203 are multiplexed in the direct-current charging process;
When the power distribution device 1 is charged, when the charging voltage is lower than 750V, a charging gun on a charging pile is connected with a charging connector 171, a positive pole of a direct current boost charging loop of the power distribution device 1 comprises a first charging port positive copper bar 500, a first fuse 510, a first electric control positive copper bar 520, a second charging port positive copper bar 530, a third charging port positive copper bar 560, a core 410 of an inductor, a charging port positive copper bar 570, a fifth charging port positive copper bar 580, a motor neutral contactor 590 and a motor neutral copper bar 591 which are sequentially connected, wherein the first charging port positive copper bar 500 is connected with a positive pole of the charging connector 171, a negative pole of a direct current boost charging loop of the power distribution device 1 comprises a first charging port negative copper bar 600, a negative pole contactor 610, a second charging port negative copper bar 620 and an electric control negative pole copper bar 630 which are sequentially connected, the first charging port negative copper bar 600 is connected with a negative pole of the charging connector 171, the motor neutral copper bar 591 is connected with a motor neutral wire 201, the electric control negative pole copper bar 630 is connected with the electric control negative pole 203, and finally the direct current enters a battery pack, and the electric control negative pole 201 is multiplexed in the electric control wire outlet wire 203 of the motor.
When the power distribution device 1 supplies power for the PTC, the heating positive electrode power supply loop comprises an electric control positive electrode outgoing line 202, a second electric control positive electrode copper bar 550, a connecting wire 700 and a first safety 710 which are sequentially connected, the heating negative electrode power supply loop comprises an electric control negative electrode outgoing line 203 and an electric control negative electrode copper bar 630 which are sequentially connected, the positive electrode of the PTC connecting line 151 is connected with the electric control negative electrode copper bar 630, and the negative electrode of the PTC connecting line 151 is connected with the electric control negative electrode copper bar 630.
When the power distribution device 1 supplies power to a vehicle-mounted power battery, the positive electrode of a power battery distribution circuit comprises an electric control positive electrode outgoing line 202, a second electric control positive electrode copper bar 550, a connecting wire 700 and a second safety 720 which are sequentially connected, the negative electrode of the power battery distribution circuit comprises an electric control negative electrode outgoing line 203, an electric control negative electrode copper bar 630 and a second charging port negative electrode copper bar 620 which are sequentially connected, the positive electrode of an OBC connecting line 161 is connected with the connection, and the negative electrode of the OBC connecting line 161 is connected with the second charging port negative electrode copper bar 620;
the power distribution device 1 is provided with a voltage detection loop, wherein the positive electrode of the voltage detection loop comprises a sixth charging port positive electrode copper bar 800 and a positive electrode sampling small wire 810 which are sequentially connected, the negative electrode of the voltage detection loop comprises a first charging port negative electrode copper bar 600, a second charging port negative electrode copper bar 620, a negative electrode sampling small wire 820 and a capacitance sampling small wire 830 which are sequentially connected, wherein the positive electrode sampling small wire 810, the negative electrode sampling small wire 820 and the capacitance sampling small wire 830 are respectively connected with a detection plate 840, and a whole vehicle battery manager is connected with the detection plate 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 electrically controlled positive copper bar 520, the temperature sensor 860 is connected to the core 410 of the inductor, and the current sensor 850 and the temperature sensor 860 are connected to the detection board 840, respectively.
The whole vehicle battery management system controls the attraction and conduction loop of the contactor through the parameters fed back by the detection board 840 to realize the charging and distribution functions, and plays a role in protecting the loop safety.
A vehicle according to an embodiment of the present utility model including the power distribution apparatus 1 for a vehicle according to the above-described embodiment of the present utility model is described below with reference to the accompanying drawings.
According to the vehicle of the embodiment of the present utility model, by using the power distribution apparatus 1 for a vehicle according to the above-described embodiment of the present utility model, the arrangement space required is small, and the space utilization of the entire vehicle can be improved.
Other constructions and operations of the power distribution apparatus 1 for a vehicle and the vehicle having the same according to the embodiment of the present utility model are known to those of ordinary skill in the art, and will not be described in detail herein.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which 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.
CN202322025179.3U 2023-07-27 2023-07-27 Power distribution device for vehicle and vehicle with same Active CN220615727U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322025179.3U CN220615727U (en) 2023-07-27 2023-07-27 Power distribution device for vehicle and vehicle with same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322025179.3U CN220615727U (en) 2023-07-27 2023-07-27 Power distribution device for vehicle and vehicle with same

Publications (1)

Publication Number Publication Date
CN220615727U true CN220615727U (en) 2024-03-19

Family

ID=90215497

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322025179.3U Active CN220615727U (en) 2023-07-27 2023-07-27 Power distribution device for vehicle and vehicle with same

Country Status (1)

Country Link
CN (1) CN220615727U (en)

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