CN217009455U - Standard BDU modular structure - Google Patents
Standard BDU modular structure Download PDFInfo
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- CN217009455U CN217009455U CN202220252814.4U CN202220252814U CN217009455U CN 217009455 U CN217009455 U CN 217009455U CN 202220252814 U CN202220252814 U CN 202220252814U CN 217009455 U CN217009455 U CN 217009455U
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Abstract
The utility model discloses a standard BDU module structure. Comprises a fixed base and an upper cover; the fixed base is internally provided with an installation space, a side plate on one side of the fixed base is provided with a convex first installation cavity, the other side plate of the fixed base is provided with a convex second installation cavity, and a front side plate of the fixed base is provided with a first groove which is concave downwards; a second groove matched with the first groove for use is arranged at the position of the front side edge of the upper cover corresponding to the groove; the second groove is sunken towards the inner side of the upper cover; the side edge of the first mounting cavity corresponding to the upper cover forms an interface position of a first interface, the side edge of the second mounting cavity corresponding to the upper cover forms an interface position of a second interface, and the first groove and the second groove form an interface position of a third interface; the reserved first, second and third interfaces can carry out various assembly modes such as up-down splicing or left-right splicing on a plurality of modules, and the compatibility is high; in addition, multiple assembling modes can be realized due to consistent installation positions.
Description
Technical Field
The utility model relates to a standard BDU modular structure.
Background
The BDU is named a Battery Disconnect Unit, the Battery pack disconnection Unit is usually designed in the power Battery, power transmission is provided for power output and quick charge input of the power Battery, the Battery pack disconnection Unit is matched with the BMS to realize pre-charging of the whole vehicle capacitor and timely disconnection protection of the circuit, and the BDU can monitor the current state of a power Battery loop in real time and provide safety guarantee for the whole vehicle. In addition, the BDU can also integrate PTC heating function inside, independently give power battery heating, guarantee that electric core is at best operating condition, improves security and life.
According to the existing BDU design, a main positive main negative loop unit is integrated inside one BDU, the product space utilization rate is low, the BDU is limited by a product structure, the safety risk is high when sudden abnormity (such as collision) occurs, and safety risks such as positive and negative short circuit, arc discharge and the like easily occur. In addition, each BDU loop unit needs independent development due to the shape and the space size of the battery pack, the development and verification period is long, the project progress is influenced, and the investment is large.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, it is an object of the present invention to provide a standard BDU module structure that facilitates modular installation.
The technical scheme for realizing the utility model is as follows
The standard BDU module structure comprises a fixed base and an upper cover; the fixed base is internally provided with an installation space, a convex first installation cavity is arranged on a side plate on one side of the fixed base, a convex second installation cavity is arranged on the other side plate of the fixed base, and a first groove which is concave downwards is arranged on a front side plate of the fixed base; a second groove matched with the first groove for use is arranged at the position of the front side edge of the upper cover corresponding to the groove; the second groove is sunken towards the inner side of the upper cover; the side edge of the first mounting cavity corresponding to the upper cover forms an interface position of a first interface, the side edge of the second mounting cavity corresponding to the upper cover forms an interface position of a second interface, and the first groove and the second groove form an interface position of a third interface.
And a loop unit is arranged in the mounting space on the inner side of the fixed base.
At least one interface of the first interface and the second interface is a copper bar interface of the loop unit.
The first interface is located unable adjustment base left side, and the second interface is located unable adjustment base right side.
And a square mounting hole is formed in the bottom surface of the fixed base.
The fixing base is provided with at least one screw hole group, and the screw hole group comprises two mounting screw holes positioned on the opposite angles of the fixing base. The modularized installation is facilitated by arranging the installation screw holes.
The first mounting cavity and the second mounting cavity are rectangular cavities formed by a front mounting plate, a rear mounting plate and a connecting plate for connecting the front mounting plate and the rear mounting plate; chamfers are arranged between the front mounting plate and the connecting plate and between the rear mounting plate and the connecting plate.
By adopting the technical scheme, 1, the left main positive loop and the right main negative loop are independently designed, enough safety gaps are reserved, and the safety is improved.
2. According to the module, due to the fact that the reserved first, second and third interfaces can enable a plurality of modules to be assembled in a plurality of assembling modes such as up-down splicing or left-right splicing, high compatibility is achieved; in addition, multiple assembling modes can be realized due to consistent installation positions.
3. The modularized design improves the space utilization rate and the assembly performance of the product, and realizes the diversified use of the product.
Drawings
FIG. 1 is a schematic structural view of example 1 of the present invention;
FIG. 2 is a schematic structural diagram of embodiment 2 of the present invention;
in the attached drawings, 1 is a fixed base, 2 is an upper cover, 3 is a loop unit, 4 is an installation space, 5 is a first installation cavity, 6 is a second installation cavity, 7 is a first groove, 8 is a second groove, 9 is an installation hole, 10 is an installation screw hole, 11 is a front installation plate, 12 is a rear installation plate, 13 is a connecting plate, and 14 is a chamfer;
3.1 is a main negative contactor, 3.2 is a heating relay, 3.3 is a heating fuse, 3.4 is a copper bar, 3.5 is a left contact, and 3.6 is a front contact;
3.10 is a pre-charging relay, 3.11 is a pre-charging resistor, and 3.12 is an input/output copper bar.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It should be apparent that the described embodiments are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the utility model without any inventive step, are within the scope of protection of the utility model.
Referring to fig. 1-2, which show the structural schematic diagram of the present application, embodiment 1: the standard BDU module structure comprises a fixed base 1, an upper cover 2 and a loop unit 3 arranged in the fixed base; the fixed base is internally provided with an installation space 4, a side plate on one side of the fixed base is provided with a convex first installation cavity 5, the other side plate of the fixed base is provided with a convex second installation cavity 6, and a front side plate of the fixed base is provided with a first groove 7 which is concave downwards; a second groove 8 matched with the first groove for use is arranged at the position of the front side edge of the upper cover corresponding to the first groove; the second groove is sunken towards the inner side of the upper cover; the side edge of the first mounting cavity corresponding to the upper cover forms an interface position of a first interface, the side edge of the second mounting cavity corresponding to the upper cover forms an interface position of a second interface, and the first groove and the second groove form an interface position of a third interface. The interface and the loop unit are integrated on the fixed base through the fixed base, so that a standard BDU module is formed, the installation is more convenient, and the installation efficiency is improved; and because the first interface, the second interface and the third interface are all located on the side of the fixed base, the connection with the external part is convenient for follow-up.
And a loop unit is arranged in the mounting space on the inner side of the fixed base. After the loop unit is arranged in the fixed base, the loop unit is convenient to be connected with an external part subsequently; and because the structure of the fixed base is fixed, when the installation is carried out, the installation can be carried out only by reserving enough installation positions, and the installation is convenient and quick, and the components in the loop unit are not required to be installed one by adopting the modularized structure.
At least one interface of the first interface and the second interface is a copper bar interface of the loop unit. Because the first interface and the second interface are both arranged on the installation cavity, enough installation space is provided in the installation cavity, and the installation is convenient; and the position of the copper bar interface can be selected according to the position of the copper bar of the internal circuit unit of the fixed base.
The first interface is located unable adjustment base left side, and the second interface is located unable adjustment base right side.
And a square mounting hole 9 is formed in the bottom surface of the fixed base. The mounting hole is mainly for stepping down, and the height has the restriction, has the radiating effect in addition. The fixing base is provided with at least one screw hole group, and the screw hole group comprises two mounting screw holes 10 which are positioned on opposite angles of the fixing base. The installation is convenient for modularization through setting up the installation screw.
The first mounting cavity and the second mounting cavity are rectangular cavities formed by a front mounting plate 11, a rear mounting plate 12 and a connecting plate 13 for connecting the front mounting plate and the rear mounting plate; and chamfers 14 are arranged at the joint between the front mounting plate and the connecting plate and the joint between the rear mounting plate and the connecting plate. The chamfer is arranged to avoid stress concentration.
The fixed base and the upper cover are both made of plastic. The plastic material ensures insulation.
The loop unit comprises a main negative contactor 3.1, a heating relay 3.2, a heating fuse 3.3 and a copper bar 3.4; the left contact 3.5 of the main negative contactor is installed at the first interface, the front contact 3.6 of the front side of the main negative contactor is installed at the third interface, the copper bar is connected to the right side of the main negative contactor, and the contact of the copper bar is installed at the second interface. When in installation, the bolts are used for screwing and installation.
Example 2
On the basis of the embodiment 1, the loop unit comprises a pre-charging relay 3.10, a pre-charging resistor 3.11, a main fuse and an input/output copper bar 3.12; the left contact of the main fuse is installed at the first interface, the right side of the main fuse is connected with the input and output copper bar, and the contact of the input and output copper bar is installed at the second interface.
Claims (7)
1. The standard BDU module structure is characterized by comprising a fixed base and an upper cover; the fixed base is internally provided with an installation space, a convex first installation cavity is arranged on a side plate on one side of the fixed base, a convex second installation cavity is arranged on the other side plate of the fixed base, and a first groove which is concave downwards is arranged on a front side plate of the fixed base;
a second groove matched with the first groove for use is arranged at the position of the front side edge of the upper cover corresponding to the groove; the second groove is sunken towards the inner side of the upper cover;
the side edge of the first mounting cavity corresponding to the upper cover forms an interface position of a first interface, the side edge of the second mounting cavity corresponding to the upper cover forms an interface position of a second interface, and the first groove and the second groove form an interface position of a third interface.
2. A standard BDU modular structure as claimed in claim 1, wherein a loop unit is installed in the installation space inside the fixing base.
3. The standard BDU module architecture of claim 2, wherein at least one of the first and second interfaces is a copper bar interface of a loop unit.
4. A standard BDU modular structure as claimed in claim 1, wherein the first interface is located on the left side of the fixed base and the second interface is located on the right side of the fixed base.
5. A standard BDU modular structure as claimed in claim 1 wherein the base has a square mounting hole on its underside.
6. The structure of a standard BDU module as claimed in claim 1, wherein the fixed base is provided with at least one screw hole set, the screw hole set comprises two mounting screw holes located at opposite corners of the fixed base, and modular mounting is facilitated by the mounting screw holes.
7. The modular structure of a standard BDU as claimed in claim 1, wherein the first and second mounting cavities each comprise a rectangular cavity formed by a front mounting plate, a rear mounting plate and a connecting plate connecting the front and rear mounting plates; chamfers are arranged between the front mounting plate and the connecting plate and between the rear mounting plate and the connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220252814.4U CN217009455U (en) | 2022-02-08 | 2022-02-08 | Standard BDU modular structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220252814.4U CN217009455U (en) | 2022-02-08 | 2022-02-08 | Standard BDU modular structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217009455U true CN217009455U (en) | 2022-07-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220252814.4U Active CN217009455U (en) | 2022-02-08 | 2022-02-08 | Standard BDU modular structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217009455U (en) |
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2022
- 2022-02-08 CN CN202220252814.4U patent/CN217009455U/en active Active
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