Three-phase copper bar wiring assembly

Abstract

The utility model discloses a three-phase copper bar wiring assembly, which comprises an electric control copper bar, a motor copper bar and a copper bar connecting assembly, the copper bar connecting assembly comprises a bottom plate, a cover plate and a resistance piece, the cover plate and the bottom plate are fixed, the bottom plate and / or the cover plate are / is provided with a limiting groove, the electric control copper bar is provided with an electric control copper bar wiring end, and the resistance piece is connected with the electric control copper bar wiring end. The motor copper bar is provided with a motor copper bar terminal, and the electric control copper bar terminal and the motor copper bar terminal are limited in the limiting groove; the resistance piece is arranged in the limiting groove, the resistance piece has pretightening force enabling the motor copper bar wiring end and the motor copper bar wiring end to be connected and fixed, the wiring reliability of the three-phase copper bar can be improved, on the premise that the current carrying requirement of the three-phase copper bar is met, the design size of the three-phase copper bar is reduced, space arrangement is reduced, and meanwhile the resource utilization rate is improved.

Description

Technical Field

[0001] The utility model relates to the field of three-phase copper busbar wiring, in particular to a three-phase copper busbar wiring assembly. Background Art

[0002] The existing three-phase copper busbar wiring method is to open bolt avoidance holes in the copper busbar and use bolt connection; the bolt connection method may cause the bolts to loosen later, resulting in failure of the copper busbar connection, which will cause gaps in the three-phase copper busbar connection, increased resistance, heat and ablation; and the three-phase copper busbar needs to be designed with larger bolt avoidance holes, which requires a larger contact area for current carrying, and the material utilization rate of the copper busbar is not high, resulting in a waste of resources.

[0003] Therefore, in order to solve the above problems, a three-phase copper busbar wiring assembly is needed, which can improve the wiring reliability of the three-phase copper busbar, reduce the design size of the three-phase copper busbar while meeting the current carrying capacity of the three-phase copper busbar, reduce the space layout and improve resource utilization. Utility Model Content

[0004] In view of this, the purpose of the utility model is to overcome the defects in the prior art and provide a three-phase copper busbar wiring assembly, which can improve the wiring reliability of the three-phase copper busbar, reduce the design size of the three-phase copper busbar while meeting the current carrying capacity of the three-phase copper busbar, reduce the space layout and improve resource utilization.

[0005] The three-phase copper bar wiring assembly of the utility model comprises an electric control copper bar, a motor copper bar and a copper bar connection component, wherein the copper bar connection component comprises a bottom plate, a cover plate and a resistance member, wherein the cover plate and the bottom plate are fixed, and a limiting groove is provided on the bottom plate and / or the cover plate, wherein the electric control copper bar has an electric control copper bar connection terminal, and the motor copper bar has a motor copper bar connection terminal, wherein the electric control copper bar connection terminal and the motor copper bar connection terminal are limited in the limiting groove;

[0006] The resistance member is arranged in the limiting groove, and the resistance member has a pre-tightening force to make the motor copper bar terminal and the motor copper bar terminal engage and fix.

[0007] Furthermore, the electric control copper busbar terminal and the motor copper busbar terminal are joined in an up-and-down overlapping manner in the vertical direction, and the resistance member has a pre-tightening force in which the force application direction is parallel to the vertical direction.

[0008] Furthermore, the limiting groove includes a copper bar limiting groove and a resistance member limiting groove; the copper bar limiting groove is used to limit the electric control copper bar terminal and the motor copper bar terminal, and the resistance member limiting groove is used to limit the resistance member;

[0009] After the cover plate and the bottom plate are fixed, the notch of the copper bar limiting groove and the notch of the resistance member limiting groove are opposite to each other, so that the electric control copper bar terminal and the motor copper bar terminal are connected and fixed through the resistance member.

[0010] Furthermore, the bottom surface of the cover plate protrudes downward to form an assembly seat I, and the bottom surface of the assembly seat I is recessed upward to form a copper bar limiting groove, and the copper bar limiting groove is provided with a slot I and a slot II; the electric control copper bar terminal extends into the copper bar limiting groove through the slot I and is limited, and the motor copper bar terminal extends into the copper bar limiting groove through the slot II and is limited.

[0011] Furthermore, the notch I and the notch II are opposite to each other on the assembly seat I.

[0012] Further, the top surface of the bottom plate protrudes upward to form an assembly seat II, and the top surface of the assembly seat II is recessed downward to form a resistance member limiting groove, and the resistance member is limited in the resistance member limiting groove, and the resistance member has a fastening end extending upward from the resistance member limiting groove;

[0013] After the cover plate and the bottom plate are fixed, the bottom surface of the assembly seat I and the top surface of the assembly seat II are joined, and the fastening end extends into the copper bar limiting groove to join the electric control copper bar terminal and the motor copper bar terminal.

[0014] Furthermore, the resistance member includes a spring and a support pin, the support pin has a receiving groove which is recessed from bottom to top, the notch of the receiving groove downwardly buckles the spring in the limiting groove of the resistance member, the spring is supported on the bottom of the receiving groove and the bottom of the limiting groove of the resistance member, the spring has an elastic force that keeps the bottom of the receiving groove and the bottom of the limiting groove of the resistance member away from each other, and the motor copper busbar terminal and the motor copper busbar terminal are joined in a vertically overlapping manner through the top surface of the support pin.

[0015] Furthermore, the limiting groove of the resistance member has a limiting opening, the supporting pin has a limiting rib, and the supporting pin is limited by the limiting opening of the limiting groove of the resistance member through the limiting rib.

[0016] Furthermore, the limiting openings are a plurality of openings evenly distributed in the circumferential direction of the limiting groove of the resistance member, the number of the limiting ribs is consistent with the number of the limiting openings, and the limiting ribs and the limiting openings are connected in a one-to-one correspondence.

[0017] Furthermore, the electric control copper busbar terminal is in a disc shape, and the motor copper busbar terminal is in a disc shape.

[0018] The beneficial effects of the utility model are as follows: a three-phase copper busbar wiring assembly disclosed by the utility model is fixed by a cover plate and a bottom plate, and the electric control copper busbar wiring terminal and the motor copper busbar wiring terminal are limited in the limiting groove; the resistance member is arranged in the limiting groove, and the resistance member has a pre-tightening force that enables the motor copper busbar wiring terminal and the motor copper busbar wiring terminal to be joined and fixed, which can improve the wiring reliability of the three-phase copper busbar, and reduce the design size of the three-phase copper busbar on the premise that the current carrying capacity of the three-phase copper busbar is met, and the resource utilization rate is improved while reducing the space layout; in this scheme, the electric control copper busbar wiring terminal and the motor copper busbar wiring terminal are joined in an up-and-down overlapping manner in the vertical direction, and the resistance member has a pre-tightening force with the force application direction parallel to the vertical direction; on the one hand, it is beneficial to the force application of the resistance member, so that the connection between the two is more reliable, and on the other hand, it can not destroy the original structure of the electric control copper busbar wiring terminal and the motor copper busbar wiring terminal, and ensure the effective current-carrying area, improve the wiring reliability of the three-phase copper busbar, reduce the design size of the three-phase copper busbar, and improve the resource utilization rate while reducing the space layout. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0020] Figure 1 It is a structural schematic diagram of the utility model;

[0021] Figure 2 It is a schematic diagram of the explosion structure of the utility model;

[0022] Figure 3 For this utility model Figure 1 A schematic diagram of a top view structure;

[0023] Figure 4 For this utility model Figure 3 AA structural diagram;

[0024] Figure 5 This is a schematic diagram of the structure of the copper busbar connection assembly of the utility model;

[0025] Figure 6 For this utility model Figure 5 Schematic diagram of the explosion structure;

[0026] Figure 7 It is a structural schematic diagram of the bottom plate of the utility model;

[0027] Figure 8 This is a structural schematic diagram of the cover plate of the utility model;

[0028] Fig. 9 For this utility model Figure 5 Schematic diagram of the main structure;

[0029] Fig.10 For this utility model Figure 5A schematic diagram of a top view structure;

[0030] Fig.11 For this utility model Fig. 9 Schematic diagram of the BB structure. DETAILED DESCRIPTION

[0031] Figure 1 It is a structural schematic diagram of the utility model. As shown in the figure, the three-phase copper bar wiring assembly in this embodiment includes an electric control copper bar 1, a motor copper bar 2 and a copper bar connection component. The copper bar connection component includes a base plate 3, a cover plate 4 and a resistance member. The cover plate 4 and the base plate 3 are fixed. In this scheme, the cover plate 4 and the base plate 3 are fixed by bolt connection. Of course, the two can also be fixed to form a whole by snap-on fixation or pin lock fixation, etc., which will not be repeated here; the base plate 3 and / or the cover plate 4 are provided with a limiting groove, the electric control copper bar 1 has an electric control copper bar terminal 5, the motor copper bar 2 has a motor copper bar terminal 6, and the electric control copper bar terminal 5 and the motor copper bar terminal 6 are limited in the limiting groove; the meaning of and / or is that the limiting groove can be independently opened on the base plate 3 or the cover plate 4, and can also be opened on the base plate 3 and the cover plate 4 at the same time, so as to realize the function of limiting the electric control copper bar terminal 5 and the motor copper bar terminal 6, which will not be repeated here;

[0032] The resistance member is arranged in the limit groove, and the resistance member has a pre-tightening force that enables the motor copper busbar terminal 6 and the motor copper busbar terminal 6 to be joined and fixed. The joining and fixing can be joined by the resistance member in a plug-in manner, or joined by the resistance member in a superimposed manner, or joined by the resistance member in a hooking manner, etc., which will not be repeated here; the resistance member can provide a pre-tightening force through a gasket, or provide a pre-tightening force through a rubber or spring 13 with elastic force, or can be controlled to expand and contract or expand and shrink the structure, etc., to meet the requirements of joining the motor copper busbar terminal 6 and the motor copper busbar terminal 6 without destroying the motor copper busbar terminal 6 and the motor copper busbar terminal 6 structure. It is appropriate, which will not be repeated here; it can improve the wiring reliability of the three-phase copper busbar, reduce the design size of the three-phase copper busbar on the premise that the current carrying capacity of the three-phase copper busbar is met, and reduce the space layout while improving resource utilization.

[0033] In this embodiment, the electric control copper busbar terminal 5 and the motor copper busbar terminal 6 are joined in an up-and-down overlapping manner in the vertical direction, and the resistance member has a preload force in which the force application direction is parallel to the vertical direction; the up and down are the up and down in the vertical direction. This scheme joins the electric control copper busbar terminal 5 and the motor copper busbar terminal 6 in an up-and-down overlapping manner. On the one hand, it is beneficial to the force application of the resistance member, making the joint between the two more secure. On the other hand, it can preserve the original structure of the electric control copper busbar terminal 5 and the motor copper busbar terminal 6. More accurately, the contact area is increased while the thickness of the terminal remains unchanged, thereby ensuring the effective current-carrying area, improving the wiring reliability of the three-phase copper busbar, reducing the design size of the three-phase copper busbar, and improving resource utilization while reducing the space layout.

[0034] In this embodiment, the limiting groove includes a copper bar limiting groove 7 and a resistance member limiting groove 8; the copper bar limiting groove 7 is used to limit the electric copper bar terminal 5 and the motor copper bar terminal 6, and the resistance member limiting groove 8 is used to limit the resistance member; after the cover plate 4 and the bottom plate 3 are fixed, the notch of the copper bar limiting groove 7 and the notch of the resistance member limiting groove 8 are opposite, so that the electric copper bar terminal 5 and the motor copper bar terminal 6 are connected and fixed by the resistance member. The structure of dividing the limiting groove into two half grooves is conducive to the structural layout of the resistance member, and is also conducive to ensuring the convenience of copper bar wiring, without the need to assemble and fix the three-phase copper bar in a specific order; and the relative structure of the notches is more conducive to the resistance member to apply the pre-tightening force to the electric copper bar terminal 5 and the motor copper bar terminal 6, further improving the reliability of the connection between the electric copper bar terminal 5 and the motor copper bar terminal 6.

[0035] In this embodiment, Figure 8 As shown, the bottom surface of the cover plate 4 protrudes downward to form an assembly seat Ⅰ9, and the bottom surface of the assembly seat Ⅰ9 is recessed upward to form a copper bar limiting groove 7, and the copper bar limiting groove 7 is provided with a notch Ⅰ11 and a notch Ⅱ12; the electric control copper bar terminal 5 extends into the copper bar limiting groove 7 through the notch Ⅰ11 and is limited, and the motor copper bar terminal 6 extends into the copper bar limiting groove 7 through the notch Ⅱ12 and is limited; in this scheme, the copper bar limiting groove 7 is a columnar groove, and the copper bar wiring safety is improved; the electric control copper bar terminal 5 is disc-shaped, and the lead connecting the electric control copper bar terminal 5 is a strip copper bar, and the strip copper bar with the electric control copper bar terminal 5 is notched by notch Ⅰ1 1 is limited, the electric control copper bar terminal 5 is limited by the copper bar limiting groove 7; the motor copper bar terminal 6 is disc-shaped, and the lead connected to the motor copper bar terminal 6 is a strip copper bar. The strip copper bar with the motor copper bar terminal 6 is limited by the notch II 12, and the electric control copper bar terminal 5 is limited by the copper bar limiting groove 7; so that the electric control copper bar terminal 5 and the motor copper bar terminal 6 are pre-limited in the circumferential direction by the copper bar limiting groove 7, which improves the structural reliability and ensures the effective current-carrying area of ​​the three-phase copper bar connection; the notch I 11 and the notch II 12 are opposite on the assembly seat I 9, which further improves the space utilization rate, ensures relatively sufficient heat dissipation space for the copper bar, and improves the safety factor.

[0036] In this embodiment, Figure 7 As shown, the top surface of the bottom plate 3 protrudes upward to form an assembly seat II10, and the top surface of the assembly seat II10 is recessed downward to form a resistance member limiting groove 8. The resistance member is limited in the resistance member limiting groove 8, and the resistance member has a fastening end extending upward from the resistance member limiting groove 8; after the cover plate 4 and the bottom plate 3 are fixed, the bottom surface of the assembly seat I9 and the top surface of the assembly seat II10 are joined, the notch of the copper bar limiting groove 7 and the notch of the resistance member limiting groove 8 are directly opposite, and the fastening end extends into the copper bar limiting groove 7 to engage the electric control copper bar terminal 5 and the motor copper bar terminal 6. The resistance member limiting groove 8 is also a columnar groove to ensure the effectiveness of the use of the resistance member, and the fastening end extending into the copper bar limiting groove 7 can further ensure the reliability of the copper bar joining, which improves the current carrying and safety of the copper bar.

[0037] In this embodiment, Figure 6As shown, the resistance member includes a spring 13 and a support pin 14, the support pin 14 has a receiving groove which is recessed from bottom to top, and the notch of the receiving groove downwardly buckles the spring 13 in the resistance member limiting groove 8, the spring 13 is supported on the bottom of the receiving groove and the bottom of the resistance member limiting groove 8, the spring 13 has an elastic force that keeps the bottom of the receiving groove and the bottom of the resistance member limiting groove 8 away from each other, and the motor copper busbar terminal 6 and the motor copper busbar terminal 6 are joined in a vertically overlapping manner through the top surface of the support pin 14. In this solution, the diameters of the support pin 14, the motor copper busbar terminal 6, the motor copper busbar terminal 6 and the copper busbar limiting groove 7 are roughly the same, so as to further improve the effective connection between the motor copper busbar terminal 6 and the motor copper busbar terminal 6; the use of the spring 13 in this solution has the advantages of low parts cost on the one hand, and excellent service life and reliability on the other hand, overcoming the aging of the elastic rubber at the interface and the poor adjustability of the auxiliary parts at the interface. The structure of the spring 13 and the support pin 14 is also conducive to providing a larger coverage area to make the contact between the motor copper busbar terminal 6 and the motor copper busbar terminal 6 more effective and reliable, and this sleeve-type structure can provide uniform and reliable elastic force, can avoid displacement of the terminal, and solve the problem of local contact caused by unreliable wiring; More specifically, the resistance member limiting groove 8 has a limiting opening 16, and the support pin 14 has a limiting rib 15, and the support pin 14 is limited by the limiting opening 16 of the resistance member limiting groove 8 through the limiting rib 15; the reliability and effectiveness of the use of the support pin 14 are further improved, and the limiting openings 16 are a plurality of uniformly distributed around the resistance member limiting groove 8, the number of the limiting ribs 15 is consistent with the number of the limiting openings 16, and the limiting ribs 15 and the limiting openings 16 are connected in a one-to-one correspondence; it can more effectively ensure that the support pin 14 overlaps the motor copper busbar terminal 6 and the motor copper busbar terminal 6 in a predetermined manner; in this solution, the limiting openings 16 are two oppositely opened on the resistance member limiting groove 8, and the connecting line of the two limiting openings 16 is parallel to the connecting line of the slot Ⅰ11 and the slot Ⅱ12, thereby improving the convenience of assembly.

[0038] In this embodiment, the electric control copper busbar 1, the motor copper busbar 2 and the copper busbar connecting assembly are a set of wiring structures. Since the number of three-phase copper busbars is three, the corresponding electric control copper busbar 1, the motor copper busbar 2 and the copper busbar connecting assembly are also three sets of wiring structures, and the corresponding bottom plates 3 in the three sets of wiring structures are connected to form a long strip-shaped whole corresponding to the three-phase copper busbar, and the corresponding cover plates 4 in the three sets of wiring structures are connected to form a long strip-shaped whole corresponding to the three-phase copper busbar, so that the bottom plate 3 and the cover plate 4 forming the whole are fixed in an up-and-down matching manner by bolts located at both ends of the length direction thereof.

[0039] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A three-phase copper busbar wiring assembly, characterized in that: It includes an electric control copper bar, a motor copper bar and a copper bar connection assembly, wherein the copper bar connection assembly includes a bottom plate, a cover plate and a resistance member, wherein the cover plate and the bottom plate are fixed, and a limiting groove is provided on the bottom plate and / or the cover plate, wherein the electric control copper bar has an electric control copper bar connection terminal, and the motor copper bar has a motor copper bar connection terminal, wherein the electric control copper bar connection terminal and the motor copper bar connection terminal are limited in the limiting groove; The resistance member is arranged in the limiting groove, and the resistance member has a pre-tightening force to make the motor copper bar terminal and the motor copper bar terminal engage and fix.

2. The three-phase copper busbar wiring assembly according to claim 1 is characterized in that: The electric control copper bar terminal and the motor copper bar terminal are joined in an up-and-down overlapping manner in the vertical direction, and the resistance member has a pre-tightening force in which the force application direction is parallel to the vertical direction.

3. The three-phase copper busbar wiring assembly according to claim 2 is characterized in that: The limiting grooves include copper bar limiting grooves and resistance piece limiting grooves; the copper bar limiting grooves are used to limit the electric control copper bar terminal and the motor copper bar terminal, and the resistance piece limiting grooves are used to limit the resistance piece; After the cover plate and the bottom plate are fixed, the notch of the copper bar limiting groove and the notch of the resistance member limiting groove are opposite to each other, so that the electric control copper bar terminal and the motor copper bar terminal are connected and fixed through the resistance member.

4. The three-phase copper busbar wiring assembly according to claim 3 is characterized in that: The bottom surface of the cover plate protrudes downward to form an assembly seat I, and the bottom surface of the assembly seat I is recessed upward to form a copper bar limiting groove, and the copper bar limiting groove is provided with a slot I and a slot II; the electric control copper bar terminal extends into the copper bar limiting groove through the slot I and is limited, and the motor copper bar terminal extends into the copper bar limiting groove through the slot II and is limited.

5. The three-phase copper busbar wiring assembly according to claim 4 is characterized in that: The notch I and notch II are opposite to each other on the assembly seat I.

6. The three-phase copper busbar wiring assembly according to claim 3 is characterized in that: The top surface of the bottom plate protrudes upward to form an assembly seat II, and the top surface of the assembly seat II is recessed downward to form a resistance member limiting groove, and the resistance member is limited in the resistance member limiting groove, and the resistance member has a fastening end extending upward from the resistance member limiting groove; After the cover plate and the bottom plate are fixed, the bottom surface of the assembly seat I and the top surface of the assembly seat II are joined, and the fastening end extends into the copper bar limiting groove to join the electric control copper bar terminal and the motor copper bar terminal.

7. The three-phase copper busbar wiring assembly according to claim 6 is characterized in that: The resistance member includes a spring and a support pin, the support pin has a receiving groove which is recessed from bottom to top, the notch of the receiving groove downwardly buckles the spring in the limiting groove of the resistance member, the spring is supported on the bottom of the receiving groove and the bottom of the limiting groove of the resistance member, the spring has an elastic force which keeps the bottom of the receiving groove and the bottom of the limiting groove of the resistance member away from each other, the motor copper busbar terminal and the motor copper busbar terminal are joined in a vertically overlapping manner through the top surface of the support pin.

8. The three-phase copper busbar wiring assembly according to claim 7 is characterized in that: The limiting groove of the resistance member has a limiting opening, the supporting pin has a limiting rib, and the supporting pin is limited by the limiting opening of the limiting groove of the resistance member through the limiting rib.

9. The three-phase copper busbar wiring assembly according to claim 8 is characterized in that: The limiting openings are a plurality of openings evenly distributed in the circumferential direction of the limiting groove of the resistance member, the number of the limiting ribs is consistent with the number of the limiting openings, and the limiting ribs and the limiting openings are connected in a one-to-one correspondence.

10. The three-phase copper busbar wiring assembly according to claim 1, characterized in that: The electric control copper bar terminal is in a disc shape, and the motor copper bar terminal is in a disc shape.

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