CN110901563B - Low-voltage power supply distribution box of hybrid electric vehicle - Google Patents
Low-voltage power supply distribution box of hybrid electric vehicle Download PDFInfo
- Publication number
- CN110901563B CN110901563B CN201911301406.2A CN201911301406A CN110901563B CN 110901563 B CN110901563 B CN 110901563B CN 201911301406 A CN201911301406 A CN 201911301406A CN 110901563 B CN110901563 B CN 110901563B
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- base
- hole
- upper cover
- distribution box
- conductive
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- 229910052802 copper Inorganic materials 0.000 claims abstract description 20
- 239000010949 copper Substances 0.000 claims abstract description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052751 metal Inorganic materials 0.000 claims abstract description 5
- 239000002184 metal Substances 0.000 claims abstract description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention relates to a low-voltage power supply distribution box of a hybrid electric vehicle, which comprises an upper cover and a base, wherein the base comprises a bottom plate and a side wall, and is matched with the upper cover to form a box body, a mounting hole is formed in the bottom in the base, a metal bushing is arranged in the mounting hole, and the base is arranged on a motor controller in an engine compartment through the mounting hole. Be equipped with copper bar and a plurality of first buckle in the base, on first buckle PMKD, the one end of copper bar is equipped with first through-hole, and the other end is equipped with a plurality of second through-holes and first conductive screw bolt, and last third conductive screw bolt of machine controller passes bottom through-hole and first through-hole and copper bar bolted connection in proper order. A second conductive stud is also arranged in the base, and the first conductive stud is connected with the second conductive stud through a safety piece; the side wall of the base is provided with a notch, and the notch is matched with the upper cover to form a wiring port. The invention solves the problems of difficult installation and wiring, poor appearance, few wire-separating ports, small safety capacity and internal space and poor compatibility of the existing power distribution box.
Description
Technical Field
The invention relates to automobile electrical distribution, in particular to a low-voltage power supply distribution box of a hybrid electric vehicle.
Background
The hybrid vehicle type is widely popular with consumers due to the characteristics of less emission, good environmental protection effect, no mileage worry and the like. However, a new energy three-power system (a power battery, a driving motor system and a whole vehicle control system) is added to the hybrid electric vehicle on the basis of the traditional fuel vehicle, so that a 12V storage battery is arranged at the rear, a direct current converter is also added, at the moment, a power line is arranged to a cabin from a trunk of the vehicle, and then the power line is distributed to electric appliances such as a cabin fuse box, the direct current converter, an EPS (emergency power supply), a generator and the like through a junction box in the cabin. The existing junction box is often arranged on a support or a metal plate of an automobile body, a part of cabin space needs to be occupied, fixing points are arranged outside the cabin, and power supply wiring harnesses need to be arranged along the cabin surface, so that the operation is difficult during installation, and the appearance is poor. And the existing junction box has fewer junction ports, small safety capacity, small internal space and no compatibility with aluminum wires, cannot meet the power consumption requirements of more electrical appliances on hybrid vehicles, and is difficult to realize the trends of large current, large wire diameter and light weight. Fig. 1 is the arrangement and the in service behavior of junction box 4 of a certain motorcycle type, and junction box 4 passes through outside mounting point 5 to be fixed on front wall panel 1, and four outlet ports total, first power pencil 2, second power pencil 3, third power pencil 6 are connected with three outlet ports among them, and first power pencil 2, second power pencil 3, third power pencil 6 are medium-diameter power cords, arrange along the front wall panel, and length is longer, and the outward appearance is relatively poor. The power distribution box assembly with reasonable and beautiful installation and wiring, sufficient branch ports, large safety capacity and strong compatibility is urgently needed to be designed.
CN204870840U discloses a high-voltage power distribution box mounting structure, which includes: high voltage power source distribution box body, upper cover, installing support, the inside wiring pile head that is provided with of high voltage power source distribution box body, the upper cover passes through the screw-up and is in on the high voltage power source distribution box body, installing support formula structure as an organic whole, have on the high voltage power source distribution box body be used for with the first mounting hole that the installing support is connected, be used for with second mounting hole, the high voltage power line outlet of automobile body connection, have on the installing support and be used for the third mounting hole of being connected with the automobile body, the third mounting hole is located the relative both sides of high voltage power source distribution box body and arrange asymmetrically, at least one the third mounting hole is located no high voltage power line outlet one side of high voltage power source distribution box body can reduce the influence of automobile body vibration to the wiring of high voltage power source distribution box. This is, of course, a beneficial attempt in the art.
Disclosure of Invention
The invention aims to provide a low-voltage power distribution box of a hybrid electric vehicle, which solves the problems of difficult installation and wiring, poor appearance, few branch ports, small safety capacity and internal space and poor compatibility of the conventional power distribution box.
The invention provides a low-voltage power supply distribution box of a hybrid electric vehicle, which comprises an upper cover and a base, wherein the base comprises a bottom plate and a side wall and is matched with the upper cover to form a box body;
a copper bar and a plurality of first buckles are arranged in the base, the first buckles are fixed on a bottom plate of the base, one end of the copper bar is provided with a first through hole, the other end of the copper bar is provided with a plurality of second through holes and first conductive studs, the first conductive studs penetrate through the second through holes and are fixedly connected with the first buckles, bottom through holes are formed in the bottom plate of the base at the lower parts of the first through holes, and third conductive studs on the motor controller sequentially penetrate through the bottom through holes and the first through holes and are connected with the copper bar through bolts;
a second conductive stud connected through a first buckle is also arranged in the base, and the first conductive stud is connected with the second conductive stud through a safety piece; and a notch is arranged on the side wall of the base, is opposite to the second conductive stud and is matched with the upper cover to form a wiring port.
Furthermore, the number of the first conductive studs is five, the number of the wiring ports is five, the caliber of two wiring ports is larger than that of the other three wiring buckles, and the number of the second conductive studs is specifically set according to the number of required safety plates.
Furthermore, grid reinforcing ribs are further arranged on the bottom plate.
Furthermore, a layer of conductive plating is coated on the copper bar, the first conductive stud and the second conductive stud.
Furthermore, the base is fixedly connected with the upper cover through a second buckle, the second buckle is two parts which are respectively arranged on the outer sides of the base and the upper cover and are mutually matched and buckled, and the second buckle is formed by a plurality of evenly distributed bases and the upper cover.
Has the beneficial effects that: the power supply distribution box is fixed on the motor controller with the direct current converter and is fixedly arranged on the motor controller through the two mounting holes at the inner bottom of the base, so that the fixed point is hidden, the arrangement space is saved, and the attractive effect is achieved; different wire-separating ports and safety pieces can be selected for combination according to the vehicle power supply requirement and the power supply arrangement, and power supply distribution and protection of the direct current converter for outputting power to the vehicle battery and the electric appliance are realized through the mode; the requirement of subsequently increasing the power supply of an electric appliance can be met by more wiring ports, and other projects can have more choices when the product is used, so that secondary development is avoided, and the cost is reduced; the wiring ports with different diameters enable the large-square aluminum wire harness to be connected and applied, and light weight and low cost of the wire harness are achieved on the basis of ensuring the reliability of the conductive performance. The invention adopts hidden installation, is convenient to install, saves space, achieves beautiful effect, has more branch ports, can flexibly set safety capacity according to specific requirements, and has large internal space and strong compatibility.
Drawings
FIG. 1 is a schematic view of a structure of a conventional power distribution box;
fig. 2 is a schematic structural diagram of the power distribution box of the present invention.
Fig. 3 is a schematic structural view of the base and the upper cover of the present invention.
Fig. 4 is a schematic structural view of the base of the present invention.
Fig. 5 is a schematic view of the installation and wiring harness connection of the present invention.
In the figure: 1-a front wall plate, 2-a first power supply wiring harness, 3-a second power supply wiring harness, 4-a junction box, 5-an external mounting point and 6-a third power supply wiring harness;
7-base, 73-mounting hole, 74-metal inlay, 75-first buckle, 76-copper bar, 761-first through hole, 77-first conductive stud, 78-second conductive stud, 710-safety piece, 711-grid reinforcing rib and 712-gap;
8-upper cover, 81-second buckle, 810-clip, 812-button;
9-engine compartment, 10-motor controller, 101-third conducting stud, 11-connecting bolt, 12-conducting bolt, 14-first engine compartment wiring harness, 15-second engine compartment wiring harness and 17-power supply wiring harness.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 2-5, a low-voltage power supply distribution box for a hybrid electric vehicle comprises an upper cover 8 and a base 7, wherein the base 7 comprises a bottom plate and a side wall, and is matched with the upper cover 8 to form a box body, a mounting hole 73 is formed in the bottom of the base 7, a metal insert 74 is arranged in the mounting hole 73, and the base 7 is installed on a motor controller 10 in an engine compartment 9 through the mounting hole 73, so that the mounting point is hidden, and meanwhile, the installation is convenient.
Be equipped with copper bar 76 and a plurality of first buckle 75 in the base 7, first buckle 75 is fixed on the bottom plate of base 7, the one end of copper bar 76 is equipped with a first through-hole 761, and the other end is equipped with a plurality of second through-holes (not marking out in the picture) and first conductive stud 77, first conductive stud 77 passes the second through-hole and is connected fixedly with first buckle 75, be provided with the bottom through-hole on the bottom plate of base 7 of first through-hole 761 lower part, third conductive stud 101 on the motor controller 10 passes bottom through-hole (not marking out in the picture) and first through-hole 761 and copper bar 76 bolted connection in proper order. The copper bar 76 is directly connected with the third conductive stud 101 on the motor controller 10 through the through hole at the bottom, so that the connection between the base 7 and the motor controller 10 can be reinforced, wiring is not needed, and the space is saved.
A second conductive stud 78 which is also connected through a first buckle 75 is also arranged in the base 7, and the first conductive stud 77 is connected with the second conductive stud 78 through a safety disc 710; a notch 712 is arranged on the side wall of the base 1, and the notch 712 is opposite to the second conductive stud 78 and is matched with the upper cover 8 to form a wiring port (not marked in the figure).
Furthermore, the number of the first conductive studs 77 is five, the number of the wiring ports is five, the caliber of two wiring ports is larger than that of the other three wiring buckles, and the second conductive studs 78 are specifically arranged according to the number of the required safety plates 710. In the embodiment, one of the larger wiring ports is used for connecting the power supply wiring harness 17, the other one is a reserved interface, and the power supply wiring harness 17 is connected with a distribution box and a 12V storage battery on the automobile, so that the charging and discharging can be realized; two of the three smaller wiring ports are respectively used for connecting a first cabin wiring harness 14 and a second cabin wiring harness 15, the other smaller interface is used as a reserved interface, the first cabin wiring harness 14 is connected with a junction box and a cabin fuse box, the second cabin wiring harness 15 is connected with the junction box and an EPS power supply, the power wiring harness 17 is connected without a fuse piece 710, the power wiring harness 17 is directly connected to a first conductive stud 77 corresponding to the wiring port, and the second conductive stud 78 is not required to be arranged at the position. In the present embodiment, there are three kinds of operation modes:
mode 1: the motor controller 10 outputs a 12V direct-current power supply to the copper bar 76, and the direct-current power supply is distributed to the cabin fuse box, the EPS power supply and the 12V storage battery for power supply through the first cabin wiring harness 14, the second cabin wiring harness 15 and the power supply wiring harness 17;
mode 2: when the 12V direct current power supply on the motor controller 10 is not output, the electricity of the 12V storage battery can be distributed to the cabin fuse box and the EPS power supply through the power supply wiring harness 17, the first cabin wiring harness 14 and the second cabin wiring harness 15, so that the normal power supply of a vehicle is ensured;
mode 3: when the 12V direct-current power supply on the motor controller 10 is not output and the 12V storage battery is in a power-deficient state, the third conductive stud 101 is externally connected with a charging power supply, and the power supply wire harness 17 and current are distributed to the 12V storage battery, the cabin fuse box and the EPS power supply through the first cabin wire harness 14 and the second cabin wire harness 15; the problem of low-voltage power distribution of a hybrid vehicle model is solved through the three modes.
Furthermore, grid reinforcing ribs 711 are further arranged on the bottom plate 7, and the rigidity of the base 7 is better and the reliability is higher due to the grid reinforcing ribs 711.
Furthermore, the copper bar 76, the first conductive stud 77 and the second conductive stud 78 are all coated with a conductive coating. The conductive coating can not only increase the conductivity, but also improve the corrosion resistance.
Further, base 7 is connected fixedly with upper cover 8 through second buckle 81, second buckle 81 is for setting up two parts of mutually supporting the lock joint in base 7 and the 8 outside of upper cover respectively, just second buckle 81 is a plurality of and evenly distributed base 7 and upper cover 8 go up. Therefore, the power distribution box is safer and more reliable, the power distribution box is simple and convenient to open, and the interference to internal components can be avoided. The second buckle 81 is located on a part of the clip 811 on the base and a part of the upper cover is the buckle 812.
Claims (5)
1. The utility model provides a hybrid vehicle low voltage power distribution box, includes upper cover (8) and base (7), its characterized in that: the base (7) comprises a bottom plate and a side wall, and is matched with the upper cover (8) to form a box body, a mounting hole (73) is formed in the bottom in the base (7), a metal insert sleeve (74) is arranged in the mounting hole (73), and the base (7) is mounted on a motor controller (10) in the engine compartment (9) through the mounting hole (73);
a copper bar (76) and a plurality of first buckles (75) are arranged in the base (7), the first buckles (75) are fixed on a bottom plate of the base (7), one end of the copper bar (76) is provided with a first through hole (761), the other end of the copper bar is provided with a plurality of second through holes and a first conductive stud (77), the first conductive stud (77) penetrates through the second through hole to be connected and fixed with the first buckles (75), a bottom through hole is formed in the bottom plate of the base (7) at the lower part of the first through hole (761), and a third conductive stud (101) on the motor controller (10) sequentially penetrates through the bottom through hole and the first through hole (761) to be connected with the copper bar (76) through bolts;
a second conductive stud (78) which is also connected through a first buckle (75) is also arranged in the base (7), and the first conductive stud (77) is connected with the second conductive stud (78) through a safety disc (710); and a notch (712) is arranged on the side wall of the base (7), and the notch (712) is opposite to the second conductive stud (78) and is matched with the upper cover (8) to form a wiring port.
2. The low-voltage power distribution box of the hybrid electric vehicle as claimed in claim 1, wherein the number of the first conductive studs (77) is five, the number of the wiring ports is five, the caliber of two wiring ports is larger than that of the other three wiring buttons, and the second conductive studs (78) are specifically arranged according to the number of the required safety discs (710).
3. The low-voltage power distribution box of the hybrid electric vehicle as claimed in claim 1, wherein a grid reinforcing rib (711) is further arranged on the bottom plate of the base (7).
4. The low-voltage power distribution box of the hybrid electric vehicle as claimed in claim 1, wherein the copper bar (76), the first conductive stud (77) and the second conductive stud (78) are coated with a conductive coating.
5. The distribution box for low-voltage power supply of hybrid electric vehicle according to any one of claims 1 to 4, wherein the base (7) and the upper cover (8) are connected and fixed by a second buckle (81), the second buckle (81) is two parts which are respectively arranged on the outer sides of the base (7) and the upper cover (8) and are mutually matched and buckled, and the second buckle (81) is multiple and evenly distributed on the base (7) and the upper cover (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911301406.2A CN110901563B (en) | 2019-12-17 | 2019-12-17 | Low-voltage power supply distribution box of hybrid electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911301406.2A CN110901563B (en) | 2019-12-17 | 2019-12-17 | Low-voltage power supply distribution box of hybrid electric vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110901563A CN110901563A (en) | 2020-03-24 |
| CN110901563B true CN110901563B (en) | 2022-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911301406.2A Active CN110901563B (en) | 2019-12-17 | 2019-12-17 | Low-voltage power supply distribution box of hybrid electric vehicle |
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Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100482147B1 (en) * | 2002-12-12 | 2005-04-14 | 현대자동차주식회사 | a fuse box for high electric current in an engine room of vehicles |
| JP2006271132A (en) * | 2005-03-24 | 2006-10-05 | Sumitomo Wiring Syst Ltd | Electric junction box fixing structure for automobiles |
| CN101399433A (en) * | 2008-11-11 | 2009-04-01 | 重庆长安汽车股份有限公司 | Electricity distribution box |
| JP5294084B2 (en) * | 2009-10-28 | 2013-09-18 | 住友電装株式会社 | Stud bolt assembly and electrical junction box with stud bolt assembly |
| JP5862200B2 (en) * | 2011-10-25 | 2016-02-16 | 住友電装株式会社 | Battery module for vehicles |
| US9306379B2 (en) * | 2013-01-16 | 2016-04-05 | William Greenberg | Fuse and power distribution block |
| KR101591921B1 (en) * | 2014-10-31 | 2016-02-05 | 영화테크(주) | Junction Box Combined with Low-Side DC/DC Converter |
| JP6400439B2 (en) * | 2014-11-10 | 2018-10-03 | 日東工業株式会社 | Electrical equipment storage box |
| CN205033924U (en) * | 2015-10-09 | 2016-02-17 | 东风电动车辆股份有限公司 | Integrated control ware power drive system |
| CN105459834A (en) * | 2016-01-25 | 2016-04-06 | 南京越博动力系统股份有限公司 | Multiple-protection high-voltage distribution box applied to new energy automobile |
| CN205836717U (en) * | 2016-05-30 | 2016-12-28 | 多氟多化工股份有限公司 | A kind of high-voltage connection box of pure electric automobile |
| CN106314314B (en) * | 2016-08-24 | 2019-11-12 | 上海中科深江电动车辆有限公司 | Electrical and control integrated system of electric truck chassis and corresponding control method |
| CN106711885A (en) * | 2016-12-28 | 2017-05-24 | 重庆长安汽车股份有限公司 | Automobile wire harness junction box |
| CN208306561U (en) * | 2018-04-25 | 2019-01-01 | 安徽华菱汽车有限公司 | A kind of power distribution box |
| CN108860015B (en) * | 2018-06-29 | 2021-11-30 | 重庆长安汽车股份有限公司 | Load power consumption duration control method, device and system and automobile |
| CN208855438U (en) * | 2018-07-27 | 2019-05-14 | 比亚迪股份有限公司 | Vehicle integrated controller and vehicle |
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