CN112996243B

CN112996243B - Power distribution module

Info

Publication number: CN112996243B
Application number: CN202110145940.XA
Authority: CN
Inventors: 潘乔旭; 黄彩丽; 李坤; 李建波; 王旭佳
Original assignee: Lanto Electronic Ltd
Current assignee: Lanto Electronic Ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2022-06-14
Anticipated expiration: 2041-02-02
Also published as: CN112996243A

Abstract

The invention belongs to the technical field of power distribution devices, and discloses a power distribution module which comprises a base body, and a first relay, a circuit board, a low-voltage control connector, a conductive insertion piece, a conducting piece and a high-voltage acquisition connector which are arranged on the base body. According to the invention, the first accommodating groove and the object placing groove on two sides of the base body respectively accommodate the first relay and the circuit board, so that the volume of the whole structure is reduced, the space utilization rate is improved, on the basis, the low-voltage control connector is connected to the low-voltage control pin of the first relay through the circuit board to perform low-voltage control on the low-voltage control connector, the high-voltage acquisition connector is connected to the high-voltage end of the first relay through the circuit board, the conductive insertion piece and the conduction piece in sequence to acquire a high-voltage signal of the first relay, the low-voltage and high-voltage electrical property are reliably communicated, the use of a connection wire harness is avoided, the low-voltage and high-voltage electrical property are easy to disassemble and assemble, and the bearing and installation of the first relay are safer.

Description

Power distribution module

Technical Field

The invention relates to the technical field of power distribution devices, in particular to a power distribution module.

Background

The conventional structure of the conventional power distribution module comprises a shell, a relay, a fuse and the like, wherein the shell is provided with a plurality of mounting threaded holes, components such as the relay and the fuse are fixedly arranged on the shell through fasteners penetrating the mounting threaded holes, the components are electrically connected through a conducting piece, and a part of conducting piece locking nodes are simultaneously connected with a wire harness for signal acquisition of a loop.

In the existing distribution module, components are complex to install, wire harnesses are disordered, the volume of a final finished product is large, and the overall space utilization rate is low.

Disclosure of Invention

The invention aims to provide a power distribution module which is high in space utilization rate, avoids the use of a connecting wire harness, is easy to disassemble and assemble, and enables the bearing and installation of components to be safer.

In order to achieve the purpose, the invention adopts the following technical scheme:

a power distribution module, comprising:

the two opposite sides of the base body are respectively a first side and a second side, the first side is provided with a first accommodating groove, and the second side is provided with an accommodating groove;

the first relay is arranged in the first accommodating groove;

the circuit board is arranged in the object placing groove, and a low-voltage control pin of the first relay penetrates through the base body and extends into the object placing groove to be connected with the circuit board;

the low-voltage control connector is arranged on the first side, the connecting end of the low-voltage control connector penetrates through the base body and extends into the object placing groove to be connected with the circuit board, and the circuit board is provided with a conductive routing wire for connecting the low-voltage control pins and the connecting end of the low-voltage control connector;

The conductive insertion piece is arranged on the first side, and one end of the conductive insertion piece penetrates through the base body and extends into the storage groove to be connected with the circuit board;

one end of the conducting piece is connected to the high-voltage end of the first relay, and the other end of the conducting piece is connected to the conducting insertion piece;

the high-voltage acquisition connector is arranged on the first side, the connecting end of the high-voltage acquisition connector penetrates through the base body to stretch into the object placing groove and the circuit board to be connected, and the circuit board is provided with a connecting part for connecting the conductive inserting piece and the conductive wiring of the connecting end of the high-voltage acquisition connector.

Preferably, the first side is provided with a conduction seat, the conduction seat is provided with a fastening hole and an insertion piece hole, and the insertion piece hole is communicated with the article placing groove;

the conductive insertion sheet is inserted into the insertion sheet hole, and the conduction piece is fixed on the conduction seat through the fastening piece in the fastening hole and is in conductive connection with the conductive insertion sheet.

Preferably, a grid structure is arranged at the bottom of the first accommodating groove.

Preferably, a first bayonet is arranged on the side wall of the first accommodating groove, a first clamping protrusion is arranged on the first relay, and the first clamping protrusion is clamped in the first bayonet.

Preferably, the vehicle-mounted display device further comprises a second relay, wherein a second accommodating groove is formed in the first side, and the second relay is arranged in the second accommodating groove.

Preferably, the fuse module is further included, the first side is further provided with two supporting bodies, the second accommodating groove is located between the two supporting bodies, and the fuse module is detachably erected on the two supporting bodies.

Preferably, the fuse module includes:

the bracket is erected on the two supporting bodies;

a plurality of fuses, it is a plurality of the fuse set up side by side in the support deviates from one side of second relay.

Preferably, a separating sheet is arranged on one side of the bracket, which is far away from the second relay, and one separating sheet is arranged between two adjacent fuses.

Preferably, the article holding device further comprises a cover body, wherein the cover body is connected to the second side and covers the notch of the article holding groove.

Preferably, the second side is provided with a clamping groove, the object placing groove is formed in the bottom of the clamping groove, a buckle is arranged on the side wall of the clamping groove, and the cover body is clamped in the clamping groove by the buckle.

The invention has the beneficial effects that:

The first storage tank of base member both sides with put the thing groove, carry out the holding to first relay and circuit board respectively, overall structure's volume has been reduced, space utilization has been improved, on this basis, the low pressure control connector is participated in the low-voltage control of first relay through the circuit board connection, carry out low-voltage control to it, the high pressure is gathered the connector and is looped through the circuit board, electrically conductive inserted sheet and switch-on piece are connected in the high-voltage terminal of first relay, gather its high-voltage signal, low pressure and high-voltage electrical property intercommunication are reliable, the use of connecting wire harness has been avoided, easy dismouting, make the bearing installation of first relay safer.

Drawings

Fig. 1 is a schematic structural diagram of a power distribution module according to an embodiment of the invention;

fig. 2 is a schematic structural diagram of another orientation of a power distribution module according to an embodiment of the invention;

fig. 3 is a schematic structural diagram of a power distribution module according to an embodiment of the present invention in a direction where a fuse module is omitted;

fig. 4 is a schematic structural diagram of a power distribution module according to an embodiment of the present invention in one orientation with parts omitted;

fig. 5 is a schematic structural diagram of a power distribution module according to an embodiment of the present invention in one orientation after a cover is omitted;

FIG. 6 is a schematic view of an orientation of a substrate according to an embodiment of the present invention;

FIG. 7 is a schematic view of another orientation structure of a substrate according to an embodiment of the present invention;

FIG. 8 is an enlarged view at A in FIG. 7;

FIG. 9 is a schematic structural diagram of a cover according to an embodiment of the present invention;

FIG. 10 is a schematic view of a configuration of a base and a cover cooperating with each other in one orientation according to an embodiment of the present invention

FIG. 11 is a schematic structural view of a stent according to an embodiment of the present invention;

FIG. 12 is a schematic view of a configuration of a base and a bracket in one orientation in which they cooperate according to an embodiment of the present invention;

fig. 13 is a schematic diagram of a circuit of a power distribution module according to an embodiment of the invention in use.

In the figure:

1. a substrate; 11. a first accommodating groove; 111. a first bayonet; 112. a first pin through hole; 12. a storage groove; 13. a conduction seat; 131. a fastening hole; 132. a blade insertion hole; 14. a grid structure; 15. a second accommodating groove; 151. a second bayonet; 152. a second pin through hole; 16. a support body; 17. clamping grooves; 18. buckling;

2. a cover body;

100. a first relay; 200. a circuit board; 300. a low voltage control connector; 400. a conductive insert; 500. a conducting piece; 600. a high voltage acquisition connector; 700. a second relay; 800. a fuse module; 801. a support; 8011. a separator; 802. a fuse;

901. A battery pack; 902. a DC-DC loop; 903. a heating circuit; 904. an air conditioning loop; 905. reserving a loop; 906. a slow charging loop; 907. and a quick charging loop.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar parts throughout or parts having the same or similar functions. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediary, a connection between two elements, or an interaction between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include the first feature and the second feature being in direct contact, or may include the first feature and the second feature being in contact not directly but with another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1 to 12, the present invention provides a power distribution module, which includes a base 1, and a first relay 100, a circuit board 200, a low voltage control connector 300, a conductive insert 400, a conductive member 500, and a high voltage collecting connector 600 disposed on the base 1. Wherein, the two opposite sides of the base 1 are respectively a first side and a second side, the first side is provided with a first containing groove 11, the second side is provided with an object containing groove 12, the first relay 100 is arranged in the first containing groove 11, the circuit board 200 is arranged in the object containing groove 12, the low voltage control pin of the first relay 100 passes through the base 1 and extends into the object containing groove 12 to be connected with the circuit board 200, the low voltage control connector 300 is arranged at the first side, the connecting end of the low voltage control connector 300 passes through the base 1 and extends into the object containing groove 12 to be connected with the circuit board 200, the circuit board 200 is provided with a conductive trace connecting the low voltage control pin and the connecting end of the low voltage control connector 300, the conductive insert 400 is arranged at the first side, one end passes through the base 1 and extends into the object containing groove 12 to be connected with the circuit board 200, one end of the conductive piece 500 is connected with the high voltage end of the first relay 100, the other end is connected with the conductive insert 400, the high-voltage acquisition connector 600 is arranged on the first side, the connecting end of the high-voltage acquisition connector 600 penetrates through the substrate 1 and extends into the storage groove 12 to be connected with the circuit board 200, and the circuit board 200 is provided with a conductive wire which is connected with the connecting ends of the conductive insertion sheet 400 and the high-voltage acquisition connector 600.

According to the invention, the first accommodating groove 11 and the object accommodating groove 12 on two sides of the base body 1 are used for accommodating the first relay 100 and the circuit board 200 respectively, so that the volume of the whole structure is reduced, and the space utilization rate is improved, on the basis, the low-voltage control connector 300 is connected to the low-voltage control pin of the first relay 100 through the circuit board 200 to perform low-voltage control on the low-voltage control pin, the high-voltage acquisition connector 600 is connected to the high-voltage end of the first relay 100 through the circuit board 200, the conductive insert 400 and the conducting piece 500 in sequence to acquire a high-voltage signal of the first relay, the low-voltage and high-voltage electrical communication is reliable, the use of a connecting wire harness is avoided, the assembly and disassembly are easy, and the bearing installation of the first relay 100 is safer.

In this embodiment, connector 600 is gathered for the conventional part in this area to low pressure control connector 300 and high pressure, and its specific structure and theory of operation are no longer described herein, switches on piece 500 and is the copper bar, and the structure material is simple reliable, can adapt to the transmission of heavy current and the collection of high voltage signal.

Optionally, the first side is provided with a conduction seat 13, the conduction seat 13 is provided with a fastening hole 131 and an insertion sheet hole 132, and the insertion sheet hole 132 is communicated with the article placing groove 12. The conductive insert 400 is inserted into the insert hole 132, and the conduction piece 500 is fixed on the conduction seat 13 through a fastening member in the fastening hole 131 and is conductively connected with the conductive insert 400. Through setting up the seat 13 of conducting for it can conveniently be conducted and connected to conduct piece 500 and electrically conductive inserted sheet 400, and the dismouting is simple, connects reliably.

In this embodiment, the fastening hole 131 is a threaded hole, the fastening member is a bolt, one end of the conductive insert 400 is a U-shaped structure or is provided with a through hole, the conductive insert is arranged around the fastening hole 131, one end of the conductive piece 500 is provided with a through hole, the bolt sequentially penetrates through the conductive piece 500 and the conductive insert 400, and one ends of the conductive piece and the conductive insert are pressed and abutted together to realize conductive connection.

Specifically, the bottom of the first accommodating groove 11 is provided with a grid structure 14. The grid structure 14 is formed by connecting a plurality of longitudinal grooves and staggered plates, hollow holes are formed between the longitudinal grooves and staggered plates, and by arranging the grid structure 14, the heat dissipation performance of the bottom of the first accommodating groove 11 is better, and the bearing strength of the base body 1 is enhanced.

More specifically, a first bayonet 111 is disposed on a side wall of the first receiving groove 11, and a first locking protrusion is disposed on the first relay 100 and is engaged with the first bayonet 111. With the above arrangement, the first relay 100 can be firmly and stably accommodated in the first accommodating groove 11 through the cooperation between the first locking protrusion and the first locking opening 111, so that the assembly is more convenient, and the disassembly and maintenance are easy.

In this embodiment, the first receiving grooves 11 and the first relays 100 are respectively provided with two in a one-to-one correspondence, on the first side, each first relay 100 is configured with two conduction seats 13, two high voltage terminals of each first relay 100 are respectively connected to the conductive insertion sheet 400 on the conduction seats 13 through one conduction piece 500, the positions of the two first receiving grooves 11 are perpendicular to each other, thereby avoiding mutual interference between the set positions of the first bayonets 111 on two opposite side walls of one first receiving groove 11 and the set positions of the first bayonets 111 on two opposite side walls of another first receiving groove 11, so that the two first receiving grooves 11 can be attached together, and the space utilization rate is improved.

More specifically, the bottom of the first receiving groove 11 is provided with a first pin through hole 112 communicated with the object holding groove 12, and the low voltage control pin of the first relay 100 passes through the first pin through hole 112 to be connected to the circuit board 200. With the arrangement, the first relay 100 can be more conveniently communicated with the circuit board 200, and is easy to disassemble and assemble, convenient and reliable.

Optionally, the power distribution module further includes a second relay 700, the first side is further provided with a second receiving groove 15, and the second relay 700 is disposed in the second receiving groove 15. In this embodiment, first relay 100 is the relay that fills soon, and two relays that fill soon cooperate and be used for filling soon, and second relay 700 is the relay that fills slowly for fill slowly, thereby make distribution module suitability stronger.

Specifically, a second bayonet 151 is disposed on a side wall of the second receiving groove 15, and a second locking protrusion is disposed on the second relay 700 and is engaged with the second bayonet 151. Due to the arrangement, the second relay 700 can be firmly and stably accommodated in the second accommodating groove 15 through the matching of the second clamping protrusion and the second clamping opening 151, so that the assembly is more convenient, and the disassembly and maintenance are easy.

More specifically, the second pin through hole 152 is further formed at the bottom of the second receiving groove 15, the low voltage control pin of the second relay 700 passes through the second pin through hole 152 to be connected to the circuit board 200, and the circuit board 200 is provided with conductive traces connecting the low voltage control pin of the second relay 700 and the connection end of the low voltage control connector 300. By the arrangement, the low-voltage control connector 300 can be connected to the low-voltage control pin of the second relay 700 through the circuit board 200, low-voltage control is performed on the low-voltage control connector, the connection wire harness is prevented from being used, the low-voltage control connector is easy to disassemble and assemble, and communication is reliable.

Specifically, the power distribution module further includes a fuse module 800, the first side is further provided with two supporting bodies 16, the second accommodating groove 15 is located between the two supporting bodies 16, and the fuse module 800 is detachably erected on the two supporting bodies 16. Fuse module 800 erects on two supporters 16, has reduced overall structure's volume, has improved space utilization, and the dismouting of being convenient for of fuse module 800 sets up dismantled for it can regard as independent module exclusive use, has improved the compatibility.

In the embodiment, the grid structure 14 is not disposed at the bottom of the second receiving slot 15, so that the height is lower after the second relay 700 is installed, and the fuse module 800 is conveniently erected above the second receiving slot 15.

More specifically, the fuse module 800 includes a bracket 801 and a plurality of fuses 802. The bracket 801 is erected on the two supporting bodies 16, and the fuses 802 are arranged side by side on one side of the bracket 801 departing from the second relay 700 and are respectively used for safety guarantee of different loops. The support 801 is matched with the fuses 802, so that the assembly and disassembly are convenient, and the structure is reliable.

More specifically, a separation piece 8011 is disposed on a side of the bracket 801 facing away from the second relay 700, and one separation piece 8011 is disposed between two adjacent fuses 802. By providing the separation blade 8011, a plurality of fuses 802 can be separated to increase the safety distance between the fuses 802.

In the present embodiment, four fuses 802 are provided, and three separation pieces 8011 are provided to separate the four fuses 802 on the holder 801. The three separating pieces 8011 separate the top surface of the bracket 801 into four parts, each of which is provided with a fixing hole for fixing the fuse 802 and its corresponding copper bar, and a bolt is provided in the fixing hole to fixedly connect the fuse 802 and its corresponding copper bar.

Optionally, the power distribution module further includes a cover 2, the cover 2 being attached to the second side to cover the opening of the storage tray 12. By providing the lid 2, the circuit board 200 in the storage compartment 12 can be better protected.

Specifically, the second side is provided with a clamping groove 17, the storage groove 12 is arranged at the bottom of the clamping groove 17, a buckle 18 is arranged on the side wall of the clamping groove 17, and the cover body 2 is clamped in the clamping groove 17 by the buckle 18. The buckle 18 is arranged to facilitate the disassembly and assembly of the cover body 2.

Fig. 13 shows a schematic circuit diagram of a power distribution module in use, the power distribution module is used for communicating a battery pack 901, a DC-DC circuit 902, a heating circuit 903, an air conditioning circuit 904, a reserved circuit 905, a slow charging circuit 906 and a fast charging circuit 907, wherein four fuses 802 are respectively adapted to the DC-DC circuit 902, the heating circuit 903, the air conditioning circuit 904 and the reserved circuit 905, two first relays 100 serving as fast charging relays are adapted to the fast charging circuit 907, two circuit connection ends of the first relays 100 serve as voltage sampling points, and a second relay 700 serving as a slow charging relay is adapted to the slow charging circuit 906.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A power distribution module, comprising:

the device comprises a base body (1), wherein a first side and a second side are respectively arranged at two opposite sides of the base body (1), a first accommodating groove (11) is formed in the first side, and an article accommodating groove (12) is formed in the second side;

a first relay (100) disposed in the first accommodation groove (11);

the circuit board (200) is arranged in the storage groove (12), and a low-voltage control pin of the first relay (100) penetrates through the base body (1) and extends into the storage groove (12) to be connected with the circuit board (200);

the low-voltage control connector (300) is arranged on the first side, the connecting end of the low-voltage control connector (300) penetrates through the base body (1) and extends into the storage groove (12) to be connected with the circuit board (200), and the circuit board (200) is provided with conductive routing wires for connecting the low-voltage control pins and the connecting end of the low-voltage control connector (300);

The conductive insertion piece (400) is arranged on the first side, and one end of the conductive insertion piece penetrates through the base body (1) and extends into the storage groove (12) to be connected with the circuit board (200);

a conducting piece (500), one end of which is connected to the high-voltage end of the first relay (100), and the other end of which is connected to the conductive insert (400);

connector (600) is gathered to high pressure, set up in first side, the link of connector (600) is gathered to high pressure passes base member (1) stretches into put in thing groove (12) with circuit board (200) link to each other, be provided with on circuit board (200) and connect electrically conductive inserted sheet (400) with the electrically conductive line of walking of the link of connector (600) is gathered to high pressure.

2. The power distribution module according to claim 1, wherein the first side is provided with a conduction seat (13), the conduction seat (13) is provided with a fastening hole (131) and an insertion sheet hole (132), and the insertion sheet hole (132) is communicated with the storage groove (12);

the conductive insertion sheet (400) is inserted into the insertion sheet hole (132), and the conduction piece (500) is fixed on the conduction seat (13) through a fastening piece in the fastening hole (131) and is in conductive connection with the conductive insertion sheet (400).

3. The power distribution module according to claim 1, wherein the bottom of the first receiving groove (11) is provided with a grid structure (14).

4. The power distribution module according to claim 1, wherein a first bayonet (111) is disposed on a side wall of the first receiving groove (11), and a first latching protrusion is disposed on the first relay (100), and is engaged with the first bayonet (111).

5. The power distribution module of claim 1, further comprising a second relay (700), the first side further being provided with a second receiving slot (15), the second relay (700) being disposed in the second receiving slot (15).

6. The power distribution module according to claim 5, further comprising a fuse module (800), wherein the first side is further provided with two supporting bodies (16), the second receiving groove (15) is located between the two supporting bodies (16), and the fuse module (800) is detachably mounted on the two supporting bodies (16).

7. The power distribution module of claim 6, wherein the fuse module (800) comprises:

the bracket (801) is erected on the two supporting bodies (16);

a plurality of fuses (802), a plurality of the fuses (802) are arranged side by side on one side of the bracket (801) departing from the second relay (700).

8. The power distribution module according to claim 7, characterized in that a separating web (8011) is arranged on a side of the bracket (801) facing away from the second relay (700), and one separating web (8011) is arranged between two adjacent fuses (802).

9. The power distribution module according to any of claims 1-8, further comprising a cover (2), the cover (2) being connected to the second side to cover the opening of the storage tray (12).

10. The power distribution module according to claim 9, wherein the second side is provided with a clamping groove (17), the object placing groove (12) is provided at the bottom of the clamping groove (17), a snap (18) is provided on the side wall of the clamping groove (17), and the snap (18) clamps the cover (2) in the clamping groove (17).