CN215816462U

CN215816462U - Copper bar assembly of all-in-one integrated power system

Info

Publication number: CN215816462U
Application number: CN202121689151.4U
Authority: CN
Inventors: 韩永杰; 刘钧; 曹宗云
Original assignee: Shanghai Weimeisi New Energy Co ltd
Current assignee: Shanghai Weimeisi New Energy Co ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2022-02-11
Anticipated expiration: 2031-07-23

Abstract

The utility model discloses a copper bar assembly of an all-in-one integrated power system, which comprises at least one copper bar unit, wherein each copper bar unit comprises an installation plate fixedly connected with a machine shell, at least one copper bar with the bottom end connected with the installation plate through a connecting part, and a sealing ring sleeved on the copper bar; all right angles and right angle edges of the copper bar from the top end to the mounting position of the sealing ring are rounded angles. The utility model has simple structure and good sealing effect.

Description

Copper bar assembly of all-in-one integrated power system

Technical Field

The utility model relates to the technical field of electric automobiles, in particular to a copper bar assembly of an all-in-one integrated power system.

Background

Along with the development of the electric automobile industry, the design compactness of power electronics and mechanical integration in the electric automobile is higher and higher, and the connection of high-voltage heavy current and low-voltage signals is specifically related to and mainly applied to the all-in-one integrated design of a power system.

In the integrated power system of unifying more, usually include motor, reduction gear, controller, charger etc. especially when being integrated with reduction gear or motor, high-pressure alternating current copper bar can pass the controller cavity and get into the cavity that contains in lubricating oil or the cooling oil, often has the requirement of sealing performance in this department, prevents that high temperature oil from getting into controller cavity inside, causes the electronic device to damage.

The sealing ring is very easily lacerated to the structure of current copper bar subassembly to lead to sealed effect not good. And the connection mode of current copper bar is also more complicated, for example need increase some anti-drop or complicated limit structure such as back-off.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem that a sealing ring is easy to scratch in the prior art, the utility model provides a copper bar assembly of an all-in-one integrated power system.

The utility model provides a copper bar assembly of an all-in-one integrated power system, which comprises at least one copper bar unit, wherein each copper bar unit comprises a mounting plate fixedly connected with a machine shell, at least one copper bar with the bottom end connected with the mounting plate through a connecting part, and a sealing ring sleeved on the copper bar; all right angles and right angle edges of the copper bar from the top end to the mounting position of the sealing ring are rounded angles.

Further, the copper bar is strip-shaped, and the copper bar is flaky.

Further, the copper bar is perpendicular to the mounting plate.

Further, the mounting plate is connected with a shell of the all-in-one integrated power system.

Furthermore, the mounting plate is provided with bolt holes and is connected with the casing of the all-in-one integrated power system through bolts.

Furthermore, the mounting position of the sealing ring of the copper bar is provided with a mounting surface which is perpendicular to the axial direction of the copper bar and limits the position of the sealing ring.

Further, the mounting plate of the copper bar unit is connected with two copper bars.

Furthermore, the outer side wall of the sealing ring is provided with at least one circle of sealing convex ring which protrudes outwards.

Furthermore, the copper bar is inserted in a connecting flange or an inserting hole of the current sensor, and a groove matched with the sealing ring in shape is arranged on the side wall in the inserting hole.

Furthermore, the top of the side wall of the groove, which is used for the sealing ring to enter, is a round angle.

The product related to the utility model has simple structure, and the assembly is carried out through the common sealing ring, the copper bar, the bolt and the injection molding shell, so that the water and oil medium in the all-in-one integrated power system is sealed.

Drawings

The utility model is described in detail below with reference to examples and figures, in which:

FIG. 1 is an exploded view of the assembly of the present invention;

fig. 2 is a cross-sectional view of the utility model after assembly.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Thus, a feature indicated in this specification will serve to explain one of the features of one embodiment of the utility model, and does not imply that every embodiment of the utility model must have the stated feature. Further, it should be noted that this specification describes many features. Although some features may be combined to show a possible system design, these features may also be used in other combinations not explicitly described. Thus, the combinations illustrated are not intended to be limiting unless otherwise specified.

The principles of the present invention will be described in detail below with reference to the accompanying drawings and embodiments.

As shown in fig. 1, the copper bar assembly of the all-in-one integrated power system of the present invention includes at least one copper bar unit 1, and in the specific embodiment of the figure, three copper bar units 1 are shown.

Each copper bar unit 1 comprises a mounting plate 13, a copper bar 11 and a connecting part 12 for connecting the mounting plate and the copper bar.

Mounting panel

13 and 2 fixed connection of integrated driving system's of unifying more casing, in an embodiment, be equipped with the bolt hole on the mounting panel 13, therefore can be through bolt 3 and the direct fixed connection of casing 2, the mounting structure is very convenient, connecting portion 12 is connected two copper bars 11 through connecting portion 12 with the mounting panel of the bottom of at least one copper bar 11, in the embodiment in the picture, a mounting panel 13 has connected two copper bars 11 through connecting portion 12, copper bar 11 and mounting panel 13 place plane mutually perpendicular, mounting panel 13 is fixed with casing 2 with the back of being connected promptly, copper bar 11 is vertical state, conveniently continue to assemble other parts toward the copper bar. 4 suits of sealing washer are on the copper bar, 4's of sealing washer are emboliaed from the top of copper bar, then move down, until the mounted position department that removes the sealing washer, the copper bar is all right angles and right angle edge until the mounted position department of sealing washer from its top, two right angles on copper bar top are the fillet promptly, four vertical ascending square arris limits of copper bar in the picture also are the fillet, that is to say, the tangent plane of perpendicular to copper bar axial direction is a fillet rectangle, the copper bar top also has some tiny arris limits, be the fillet design, make the copper bar top very smooth, be favorable to the sealing washer to embolia promptly, the protection sealing washer that simultaneously can also be fine. If the top width of copper bar is less than the width of bottom, the transition part when copper bar middle part width increases also adopts the fillet design, avoids the sealing washer at the in-process of assembling like this, by the copper bar fish tail, protects the sealing washer.

The copper bar 11 is strip-shaped, and the copper bar 11 is sheet-shaped. Copper bar 11 need not buckle or crooked, makes things convenient for being connected of copper bar 11 and other parts, for example, in this embodiment, need peg graft copper bar 11 and flange or current sensor 5 to current sensor is the example, so only need with current sensor 5 direct suit on copper bar 11 can, the equipment is very convenient. The current sensor 5 is provided with inserting holes corresponding to the copper bars 11 one by one, and the side wall in the inserting holes is provided with a groove matched with the shape of the sealing ring. On the copper bar, the mounting position department of the sealing washer 4 of copper bar 11 is equipped with the axial direction of perpendicular to copper bar and carries out spacing installation face 111 to the position of sealing washer, and during the installation, sealing washer 4 can move towards the copper bar bottom along copper bar 11 under the exogenic action, until moving installation face 111 department, in the recess of installation face 111 department joint to spliced eye. The assembled current sensor 5 is also mounted on the housing by bolts.

The outer side wall of the sealing ring 4 is provided with at least one circle of sealing convex ring which protrudes outwards. In one embodiment, the outer side wall of the sealing ring is provided with two circles of sealing convex rings which are convex outwards. In order to avoid the damage of the opening edge of the groove in the plug hole to the sealing ring, the top of the side wall of one side, which is provided for the sealing ring to enter, of the groove is a round angle, so that the sealing ring can conveniently enter the groove, and the sealing ring is protected at the same time.

The assembly process of the present invention is described below.

Firstly, the sealing rings 4 are respectively sleeved at the top ends of the copper bars 11 through tools, two right angles at the top ends of the copper bars 11 are all round corners, and the sealing rings 4 can be prevented from being turned over and scratched in the process;

assembling the copper bar 11 sleeved with the sealing ring 4 in the shell through a tool, and fastening through a bolt;

removing the tool, and sleeving the connecting flange or the current sensor on the copper bar 11;

fixing the connecting flange and the shell by using a bolt 3 to complete sealing and assembling;

and detecting and testing the assembly and the parts through the air tightness testing tool.

The sealing device realizes simple structural design and assembly, and completes the sealing of the copper bar through-cylinder structure.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The copper bar assembly of the all-in-one integrated power system comprises at least one copper bar unit and is characterized in that each copper bar unit comprises a mounting plate fixedly connected with a machine shell, at least one copper bar with the bottom end connected with the mounting plate through a connecting part, and a sealing ring sleeved on the copper bar;

all right angles and right angle edges of the copper bar from the top end to the mounting position of the sealing ring are rounded angles.

2. The copper bar assembly of the all-in-one integrated power system as claimed in claim 1, wherein the copper bar is bar-shaped and the copper bar is sheet-shaped.

3. The copper bar assembly of the all-in-one integrated power system as claimed in claim 1, wherein the copper bar is perpendicular to the mounting plate.

4. The copper bar assembly of the all-in-one integrated power system as claimed in claim 1, wherein the mounting plate is connected to a housing of the all-in-one integrated power system.

5. The copper bar assembly of the all-in-one integrated power system as claimed in claim 4, wherein the mounting plate is provided with bolt holes, and is connected with the casing of the all-in-one integrated power system through bolts.

6. The copper bar assembly of the all-in-one integrated power system as claimed in claim 1, wherein a mounting surface for limiting the position of the sealing ring is arranged at the mounting position of the sealing ring of the copper bar, and the mounting surface is perpendicular to the axial direction of the copper bar.

7. The copper bar assembly of the all-in-one integrated power system as claimed in claim 1, wherein the mounting plate of the copper bar unit connects two copper bars.

8. The copper bar assembly of the all-in-one integrated power system as claimed in claim 1, wherein the outer side wall of the sealing ring is provided with at least one ring of outwardly protruding sealing convex ring.

9. The copper bar assembly of the all-in-one integrated power system as claimed in claim 8, wherein the copper bar is inserted into the insertion hole of the connecting flange or the current sensor, and a groove matching with the shape of the sealing ring is formed on a side wall of the insertion hole.

10. The copper bar assembly of the all-in-one integrated power system as claimed in claim 9, wherein the top of the side wall of the groove for the sealing ring to enter is rounded.