CN217656073U

CN217656073U - Conductive metal bar

Info

Publication number: CN217656073U
Application number: CN202221152406.8U
Authority: CN
Inventors: 陈培强; 吕一航; 谢峰; 周泽平
Original assignee: Shenzhen Hopewind Electric Co Ltd
Current assignee: Shenzhen Hopewind Electric Co Ltd
Priority date: 2022-05-13
Filing date: 2022-05-13
Publication date: 2022-10-25
Anticipated expiration: 2032-05-13

Abstract

The utility model discloses a conductive metal bar for the conductive connection of power equipment circuit, which comprises a conductive metal bar body, wherein a flow channel is arranged inside the conductive metal bar body, a flow channel inlet and a flow channel outlet are arranged on the conductive metal bar body, the flow channel inlet and the flow channel outlet are connected with the flow channel, and a heat dissipation transfer medium is contained inside the flow channel; this electrically conductive metal row makes hollow metal row through the metal row processing that will be used for the electrically conductive connection of power equipment circuit, uses the medium to cool off the metal row body, effectively reduces the metal row temperature, reduces whole weight and reduce cost.

Description

Conductive metal bar

Technical Field

The utility model relates to a power electronics heat dissipation technical field especially relates to a conductive metal row.

Background

In the power system, the metal bar is connected with various power devices, modules and other electrical components, the main material of the metal bar is metal such as copper or aluminum, and the connectivity of circuits of various power devices is ensured through the conductivity of the metal bar. Since the metal bar carries current, its calorific value is given by I according to Joule's law ² And R is calculated.

In the power equipment, the heat dissipation of the metal bar is mainly natural cooling or air cooling, and as the system power is continuously increased, the current on the metal bar is also continuously increased, the calorific value of the metal bar is also increased, the heat dissipation of the metal bar becomes one of the risks to be considered in the power system, and the maximum current borne by the metal bar determines the output power of the equipment. In order to achieve the same heat dissipation, the conventional air cooling system mainly increases the sectional area of the metal row, so that the current density passing through the section of the metal row meets the requirement. This results in an increasing weight of the metal bar, which leads to an increase in the weight of the overall product and an increase in the cost of the metal bar.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a conductive metal row, this conductive metal row is processed into hollow metal row through the metal row that will be used for the electrically conductive connection of power equipment circuit, uses the medium to cool off the metal row body, effectively reduces metal row temperature, reduces whole weight and reduce cost.

In order to solve the technical problem, the utility model provides a conductive metal row for the electrically conductive connection of power equipment circuit, arrange the body including conductive metal, the inside runner that is provided with of conductive metal row main part, be provided with runner import and runner export in the conductive metal row main part, runner import and runner export with the runner is connected, the inside heat dissipation transmission medium that has held of runner.

Preferably, the runner includes the sprue and sets up in inside rib wall of sprue, the sprue is separated into at least two secondary runners through inside rib wall with the sprue.

Preferably, the runner inlet and the runner outlet are disposed on the same end surface or different end surfaces of the conductive metal row body.

Preferably, the whole main runner is a straight strip, the cross section of the main runner is rectangular, and the runner inlet and the runner outlet are arranged at two ends of the conductive metal bar main body.

Preferably, the main runner is integrally U-shaped, the cross-section of the main runner is rectangular, and the runner inlet and the runner outlet are arranged on the same end surface of the conductive metal bar main body.

Preferably, the secondary flow channels separated by the inner rib wall are straight and rectangular in cross section, and the flow channel inlets and the flow channel outlets are arranged at two ends of the conductive metal bar main body along the flow direction of the secondary flow channels.

Preferably, the surfaces of the primary and secondary flow channels are provided with an insulating substance that isolates the heat dissipation transfer medium from the conductive metal row body.

Preferably, the runner inlet or the runner outlet is connected with the heat dissipation pipeline by means of a joint.

Preferably, the two conductive metal rows are in compression joint through pressing plates, the upper conductive metal outlet is communicated with the lower conductive metal row inlet, and the pressing plates are fixed through bolts.

Preferably, the main body of the conductive metal row is a copper row or an aluminum row.

After the structure is adopted, the solid conductive metal row for the circuit conductive connection of the power equipment in the prior art is processed and manufactured into the hollow metal row, the hollow metal row comprises a conductive metal row body, a flow channel is arranged in the conductive metal row body, a flow channel inlet and a flow channel outlet are formed in the conductive metal row body, the flow channel inlet and the flow channel outlet are connected with the flow channel, a heat dissipation transfer medium is contained in the flow channel, the heat dissipation transfer medium is loaded in the flow channel through the flow channel inlet and the flow channel outlet, and the hollow conductive metal row body is cooled through the heat dissipation transfer medium, so that the temperature of the metal row is reduced, the overall weight is reduced, and the cost is reduced.

Drawings

Fig. 1 is a structural diagram of a first embodiment and a third embodiment of the conductive metal bar of the present invention;

fig. 2 is a structural diagram of a fourth embodiment of the conductive metal strip of the present invention;

fig. 3 is a structural diagram of a second embodiment and a fifth embodiment of the conductive metal bar of the present invention;

fig. 4 is a structural diagram of a sixth embodiment of the conductive metal strip of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, 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 invention and are not intended to limit the invention.

Example one

Please refer to fig. 1, fig. 1 is a structure diagram of a first embodiment and a third embodiment of the conductive metal strip of the present invention, and the present embodiment discloses a conductive metal strip for conductive connection of a power equipment circuit, which includes a conductive metal strip body, a flow channel 11 is arranged inside the conductive metal strip body, a flow channel inlet 12 and a flow channel outlet 13 are arranged on the conductive metal strip body, the flow channel inlet 12 and the flow channel outlet 13 are connected with the flow channel 11, and a heat dissipation transfer medium is accommodated inside the flow channel 11.

In this embodiment, the runner inlet 12 and the runner outlet 13 are disposed on the same end surface or different end surfaces of the conductive metal row body.

In this embodiment, the runner inlet 12 or the runner outlet 13 is connected to the heat dissipation pipeline by means of a joint, and the main body of the conductive metal bar is a copper bar or an aluminum bar.

Example two

Referring to fig. 3, the present embodiment is based on the first embodiment, in the present embodiment, a flow channel 11 includes a main flow channel and an inner rib wall 14 disposed inside the main flow channel, and the main flow channel is divided into at least two sub flow channels by the inner rib wall 14.

EXAMPLE III

Referring to fig. 1, fig. 1 is a structural diagram of a third embodiment of the conductive metal bar of the present invention, and this embodiment is based on the first embodiment, in this embodiment, the main runner is a straight strip, the cross section of the main runner is a rectangle, and the runner inlet 12 and the runner outlet 13 are disposed at two ends of the main body of the conductive metal bar.

Example four

Referring to fig. 2, fig. 2 is a structural diagram of a fourth embodiment of the conductive metal bar of the present invention, and this embodiment is based on the first embodiment, in this embodiment, the main runner is U-shaped as a whole, and the cross section of the main runner is rectangular, and the runner inlet 12 and the runner outlet 13 are disposed on the same end surface of the conductive metal bar main body.

EXAMPLE five

Referring to fig. 3, fig. 3 is a structural diagram of a fifth embodiment of the conductive metal bar of the present invention, which is based on the second embodiment, in this embodiment, the secondary flow channel separated by the inner rib wall 14 is a straight strip, the cross section of the secondary flow channel is a rectangle, and the flow channel inlet 12 and the flow channel outlet 13 are disposed at two ends of the conductive metal bar main body along the flow direction of the secondary flow channel.

EXAMPLE six

Referring to fig. 4, fig. 4 is a structural diagram of a sixth embodiment of the conductive metal strip of the present invention, in this embodiment, two conductive metal strips are provided, the two conductive metal strips are pressed by a pressing plate 15, a previous conductive metal outlet is communicated with a next conductive metal inlet, and the pressing plate 15 is fixed by a bolt 16.

This conductive metal row makes hollow metal row through the metal row processing that will be used for the conductive connection of power equipment circuit, uses the heat dissipation transmission medium to cool off conductive metal row body, effectively reduces the metal row temperature, reduces whole weight and reduce cost.

It should be understood that the above is only a preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, and all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or directly or indirectly applied to other related technical fields are also included in the scope of the present invention.

Claims

1. The utility model provides a conductive metal row for the electrically conductive connection of power equipment circuit, its characterized in that includes conductive metal row body, the inside runner that is provided with of conductive metal row main part, be provided with runner import and runner export in the conductive metal row main part, runner import and runner export with the runner is connected, heat dissipation transmission medium has been held to the inside holding of runner.

2. The electrically conductive metal row of claim 1, wherein the runner comprises a primary runner and an inner rib wall disposed inside the primary runner, the primary runner dividing the primary runner into at least two secondary runners by the inner rib wall.

3. The row of claim 1, wherein the runner inlets and the runner outlets are disposed on the same end surface or different end surfaces of the body of the row of conductive metal.

4. The metal row of claim 2, wherein the main runner is generally straight and rectangular in cross-section, and the runner inlet and the runner outlet are disposed at two ends of the main body of the metal row.

5. The metal row of claim 2, wherein the main runner is generally U-shaped and has a rectangular cross-section, and the runner inlet and the runner outlet are disposed on a same end surface of the metal row body.

6. The row of claim 2, wherein the secondary runners separated by the inner rib walls are straight and rectangular in cross-section, and the runner inlets and the runner outlets are disposed at two ends of the main body of the row along the flow direction of the secondary runners.

7. The electrically conductive metal bar of claim 2, wherein surfaces of the primary and secondary runners are provided with an insulating substance that isolates the heat dissipation transfer medium from the body of the electrically conductive metal bar.

8. The row of claim 1, wherein the runner inlet or runner outlet is connected to a heat sink conduit by way of a joint.

9. The conducting metal row according to claim 1, wherein two conducting metal rows are pressed and connected by a pressure plate, the previous conducting metal outlet is communicated with the next conducting metal inlet, and the pressure plates are fixed by bolts.

10. The conductive metal row of claim 1, wherein the conductive metal row body is a copper or aluminum row.