Copper bar connecting structure and switching box

Abstract

The copper bar connecting structure comprises a copper bar body, the copper bar body comprises a gap bridge part, two ends of the gap bridge part are provided with side wing parts which are bent downwards, one end of each side wing part far away from the gap bridge part is provided with an electrode connecting part, the electrode connecting parts on two sides are located on the same plane, one side of the gap bridge part is provided with a turnover part, and the turnover part is provided with a plurality of through holes. One end of the folding part is provided with an extension part, the extension part is perpendicular to the gap bridge part, an isolation gap is arranged between the extension part and the gap bridge part, one end of the extension part is provided with a confluence connecting part, the confluence connecting part is bent towards one side far away from the gap bridge part, and the other side of the gap bridge part or one side of the folding part is provided with a sampling connecting part. The copper bar connection structure is clear in overall wiring, optimizes a current path, helps to reduce resistance and energy loss, and improves the efficiency of an electric power system; and the copper bar is compact in overall structure, and enough creepage distances are arranged among the connecting parts, so that the safety of the copper bar during conduction is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to new energy automobile technical field, concretely relates to a copper bar connecting structure and adapter box. BACKGROUND

[0002] The new energy automobile adapter box is an important component in the new energy automobile charging system, is mainly used for monitoring the charging process between the alternating current or direct current charging pile and electric automobile, can monitor the charging voltage, current, power and the like parameters in real time, discovers the abnormal situation in the charging process in time, provides safe and reliable charging environment for the user.

[0003] Different automobile manufacturers have different requirements for the size of the adapter box and the wiring terminal. The design requirement of the copper bar in an existing adapter box is: adopting double-way design to charge the battery module synchronously. This not only needs to design the copper bar as double-point outgoing line, but also needs to consider the design problem of the copper bar current sampling point and the safety gap between the copper bar connecting points.

[0004] Therefore, it is urgent to design a copper bar connecting structure capable of realizing double-way outgoing line and compact structure. SUMMARY

[0005] To solve the above problems, the technical scheme provided by the utility model is:

[0006] A copper bar connecting structure, comprising a copper bar body, the copper bar body comprising a bridge portion, both ends of the bridge portion are provided with downwardly bent wing portions, one end of the wing portion away from the bridge portion is provided with an electrode connecting portion, the electrode connecting portions on both sides are in the same plane, one side of the bridge portion is provided with a folded portion, one end of the folded portion is provided with an extension portion, the extension portion is perpendicular to the bridge portion, and an isolation gap is arranged between the extension portion and the bridge portion, one end of the extension portion is provided with a bus connecting portion, the bus connecting portion is bent away from one side of the bridge portion, and a sampling connecting portion is arranged on the other side of the bridge portion or one side of the folded portion.

[0007] The utility model is further provided with the sampling connecting portion arranged on the other side of the bridge portion, and the sampling connecting portion is parallel to the folded portion.

[0008] The utility model is further provided with the sampling connecting portion arranged on the other side of the folded portion away from the bridge portion, and the sampling connecting portion and the bridge portion are parallel to each other.

[0009] The utility model is further provided with electrode connecting holes arranged on the electrode connecting portion.

[0010] The utility model is further provided with a bus connecting hole arranged on the bus connecting portion.

[0011] The utility model further sets up that sampling connects the hole that opens in sampling connecting portion.

[0012] The utility model further sets up that the interval of the isolation gap is 5mm-15mm.

[0013] The utility model further sets up that the copper bar body is integrative, the outside of the bridge part, the side wing part, the turn -up part and the extension part all are plated with nickel layer.

[0014] The utility model further sets up that the included angle of the bus connection portion with the extension part is 45°-90°.

[0015] A switching box includes the copper bar connecting structure.

[0016] The technical scheme has the following beneficial effects compared with the prior art.

[0017] The copper bar connecting structure is provided with the electrode connecting portion at both ends of the bridge part, the bus connection portion is provided on the side of the bridge part and is isolated from the bridge part, and the sampling connecting portion is provided on the other side of the bridge part or on one side of the turn -up part, so that the single -end access and double -way outlet of the copper bar body can be realized.

[0018] The copper bar connecting structure has clear overall wiring and optimized current path, which helps to reduce resistance and energy loss and improve the efficiency of the power system. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a perspective view of the utility model embodiment 1.

[0020] Figure 2 It is a top view of the utility model embodiment 1.

[0021] Figure 3 It is a perspective view of the utility model embodiment 2.

[0022] Figure 4 It is a top view of the utility model embodiment 2. DETAILED DESCRIPTION

[0023] In order to further understand the content of the utility model, the utility model is described in detail in combination with the drawings and embodiments.

[0024] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.

[0025] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, the term "installation", "link", "connection" should do the broad sense understanding, for example, can be fixed connection, integrally connected, can also be detachable connection;Can be mechanical connection or electrical connection, also can be two element internal communication;Can be directly connected, also can be indirectly connected through the intermediate medium, for ordinary skill in the art, the specific meaning of the above-mentioned term can be understood according to the specific situation.

[0026] Embodiment 1

[0027] In combination with the accompanying Figure 1 And the accompanying Figure 2 , the utility model discloses a copper bar connecting structure, including copper bar body, the copper bar body includes bridge portion 1, both ends of bridge portion 1 are equipped with the wing portion 2 that bends downward, the electrode connecting portion 3 is equipped with in the end of wing portion 2 away from bridge portion 1, the electrode connecting portion 3 on both sides is in the same plane, one side of bridge portion 1 is equipped with the turnover portion 4, one end of turnover portion 4 is equipped with the extension 5, the extension 5 is perpendicular to bridge portion 1 and is equipped with the isolation gap 6 between the extension 5 and bridge portion 1, one end of extension 5 is equipped with the bus connection 7, the bus connection 7 bends to the side away from bridge portion 1, the other side of bridge portion 1 is equipped with sampling connecting portion 8.

[0028] In the embodiment, the copper bar body is equipped with the electrode connecting portion 3 in both ends of bridge portion 1, is equipped with the bus connection 7 isolated with bridge portion 1 in the side of bridge portion 1 and is equipped with sampling connecting portion 8 in the other side of bridge portion 1, can realize the function of single-end access, double-way outlet of copper bar body.

[0029] In the embodiment, the sampling connecting portion 8 is arranged on the other side of the bridge portion 1, and the sampling connecting portion 8 is parallel to the turnover portion 4, which is beneficial to save the space occupied by the copper bar body and facilitate integration in the adapter box.

[0030] In the embodiment, electrode connecting holes 31 are formed in the electrode connecting portions 3, and the electrode connecting holes 31 can be connected to the input end of the battery module through fasteners.

[0031] In the embodiment, bus connection holes 71 are formed in the bus connection portions 7, and the bus connection holes 71 can be connected to the external input conductor through fasteners.

[0032] In the embodiment, sampling connection holes 81 are formed in the sampling connecting portions 8, and the sampling connection holes 81 are connected to the terminals on the sampling wire harness to collect electrical signals.

[0033] In the embodiment, the distance L of the isolation gap is 5mm-15mm.

[0034] In the embodiment, the copper bar body is integrally formed, and the bridge portion, the side wing portion, the folded portion and the extension portion are externally plated with a nickel layer, so that the corrosion resistance and service life of the copper bar can be improved.

[0035] In the embodiment, the included angle ∠α between the bus connection portion and the extension portion is 45°-90°.

[0036] The copper bar connecting structure has clear overall wiring and optimized current path, which helps to reduce resistance and energy loss and improve the efficiency of the power system, and the copper bar has compact overall structure and sufficient creepage distance between the connection portions, so that the safety of the copper bar during conduction is ensured.

[0037] Embodiment 2

[0038] As shown in the accompanying drawings, Figure 3 and the accompanying drawings, Figure 4 The difference between the embodiment 1 and the embodiment 2 is the position of the sampling connection portion on the copper bar body.

[0039] In the embodiment, the sampling connection portion 8 is arranged on the side of the folded portion 4 away from the bridge portion 1, and the sampling connection portion 8 is parallel to the bridge portion 1.

[0040] In the embodiment, the copper bar body is provided with the electrode connection portion 3 at both ends of the bridge portion 1, the bus connection portion 7 is arranged on the side of the bridge portion 1, and the sampling connection portion 8 is arranged on the side of the folded portion 4 away from the bridge portion 1, so that the functions of single-end access and double-way outlet of the copper bar body can be realized.

[0041] Embodiment 3

[0042] A switching box comprises the copper bar connecting structure of the embodiment 1 or the embodiment 2.

[0043] The above description of the utility model and its embodiments is illustrative and non-restrictive, and the embodiments shown in the drawings are only one of the embodiments of the utility model, and the actual structure is not limited thereto. Therefore, if a person skilled in the art is inspired by the embodiments, without departing from the creative purpose of the utility model, similar structural modes and embodiments can be designed without creativity, which should belong to the protection scope of the utility model.

Claims

1. A copper bar connection structure comprising a copper bar body, characterized by, The copper bar body comprises a bridge portion, both ends of the bridge portion are provided with downwardly bent wing portions, an electrode connecting portion is arranged at one end of the wing portion away from the bridge portion, the electrode connecting portions on both sides are in the same plane, one side of the bridge portion is provided with a folded portion, one end of the folded portion is provided with an extension portion, the extension portion is perpendicular to the bridge portion, and an isolation gap is arranged between the extension portion and the bridge portion, one end of the extension portion is provided with a bus connecting portion, the bus connecting portion is bent away from the bridge portion, and a sampling connecting portion is arranged on the other side of the bridge portion or one side of the folded portion.

2. The copper bar connection structure according to claim 1, wherein The sampling connecting portion is arranged on the other side of the bridge portion, and the sampling connecting portion is parallel to the folded portion.

3. The copper bar connection structure of claim 1, wherein The sampling connecting portion is arranged on the side of the folded portion away from the bridge portion, and the sampling connecting portion is parallel to the bridge portion.

4. The copper bar connection structure according to any one of claims 1 to 3, characterized in that, An electrode connecting hole is arranged on the electrode connecting portion.

5. The copper bar connection structure according to any one of claims 1 to 3, characterized in that, A bus connecting hole is arranged on the bus connecting portion.

6. The copper bar connection structure according to any one of claims 1 to 3, characterized by A sampling connecting hole is arranged on the sampling connecting portion.

7. The copper bar connection structure according to any one of claims 1 to 3, characterized by The distance of the isolation gap is 5mm-15mm.

8. The copper bar connection structure according to any one of claims 1 to 3, characterized by The copper bar body is integrally formed, and the bridge portion, the wing portion, the folded portion and the extension portion are all plated with a nickel layer.

9. The copper bar connection structure according to any one of claims 1 to 3, characterized by The included angle between the bus connecting portion and the extension portion is 45°-90°.

10. A patch panel, characterized by The copper bar connecting structure comprises the copper bar connecting structure according to any one of claims 1-9.

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