Intensive bus duct capable of efficiently dissipating heat

Abstract

The utility model provides an intensive bus duct capable of efficiently dissipating heat, and belongs to the technical field of electrics. The shell is of a closed structure which is defined by an A-phase cover plate, an N-phase cover plate and two side plates and is provided with an internal space; the conductors are arranged in the length direction of the shell in an extending mode, the multiple conductors are arranged in parallel, the conductors penetrate through the shell in the length direction of the shell, and when the multiple conductors are arranged, N phases are located at the edge positions; the heat conduction plates are located among the A phase, the B phase and the C phase, each heat conduction plate is of a U-shaped structure, in other words, each heat conduction plate is provided with an opening, the opening direction faces the N-phase conductor, and the two ends of each heat conduction plate are located between the corresponding side plate and the N-phase cover plate; according to the utility model, the temperatures between the two side plates and the two cover plates are relatively balanced, so that the heat dissipation efficiency of the bus duct can be indirectly improved to ensure the normal operation of the bus duct.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrical technology field, concretely relates to a can intensive bus duct of high -efficient heat dissipation. BACKGROUND

[0002] In the current power transmission and distribution system, bus duct as a kind of efficient, reliable electric energy transmission device, is widely used in various industries, commercial and public facilities. However, although bus duct has made many progress in design and manufacture, but its heat dissipation uniformity problem is still a technical problem to be solved urgently.

[0003] Specifically, the bus duct on the market in long time, high load operation, often uneven heat dissipation phenomenon.

[0004] Among them, especially prominent B / C phase conductor temperature because heat conduction path is relatively long, temperature rise is higher, second, A phase upper and lower cover because close to A phase conductor, temperature rise is higher. In practical application, whether it is no heat conduction structure or symmetrical heat conduction structure, the temperature of A phase side upper cover is often higher than that of the two adjacent side plates and N phase side upper cover. The temperature of several parts in direct contact with air is not balanced, and the balanced and efficient heat dissipation effect of bus shell cannot be formed. In order to meet the standard, only the material can be appropriately increased, resulting in cost increase.

[0005] Specifically, when the bus three-phase current is balanced, the N phase current vector sum is zero, even if the three-phase current is unbalanced, the current flowing through the N phase conductor is less than that of A, B and C phase conductors, so that the temperature generated by A, B and C phase conductors is much higher than that of N phase conductor, and the heat generated by B and C phase conductors is conducted to two heat conduction plates, and the heat conduction efficiency is low. The phenomenon is that the temperature of N phase side upper cover is lower than that of A phase side upper cover, and the temperature of two side plates is much lower than that of two upper covers (as shown in the description). Figure 4

[0006] In general, the temperature of A phase side upper cover is greater than that of N phase side upper cover, and the temperature of side plate is lower, that is, the heat dissipation of bus duct is unbalanced, especially when the internal conductor is electrified, the local high temperature is difficult to release, resulting in low conductor current density. INVENTION CONTENTS

[0007] Therefore, the utility model provides an intensive bus duct with high efficiency heat dissipation, which can make the temperature between two side plates and two cover plates relatively balanced, thereby indirectly improving the heat dissipation efficiency of bus duct to ensure the normal work of bus duct.

[0008] ​The utility model provides a can intensive bus duct of high -efficient heat dissipation, including;

[0009] Shell, shell is enclosed by A phase cover plate, N phase cover plate and two side plates and forms the closed structure with internal space;

[0010] Conductor, conductor extends along the length direction of shell, and multiple conductors are arranged in parallel, and the conductor penetrates the shell in the length direction of shell, and multiple conductors are arranged adjacent to each other, and N phase is located in the edge position, that is, multiple conductors are arranged adjacent to each other.

[0011] Several heat conduction plates, heat conduction plate is located between A, B, C phase, and heat conduction plate is provided with U-shaped structure, that is, the heat conduction plate has an open mouth, and the open mouth is arranged towards N phase conductor, and the two ends of the heat conduction plate are located between the side plate and N phase cover plate, and the heat conduction plate can indirectly transmit temperature to N phase cover plate.

[0012] Heat conduction plate is provided with two, and two heat conduction plates are arranged apart from each other between multiple conductors, and two heat conduction plates are arranged through A, B, C phase conductors, so that the heat generated by A, B, C phase can be uniformly transmitted to the heat conduction plate.

[0013] Heat conduction plate is provided with two, and two heat conduction plates are arranged, and two heat conduction plates can absorb more heat.

[0014] Two heat conduction plates are located between A phase conductor and B phase conductor, and two heat conduction plates can absorb the heat emitted by A, B phase, so as to reduce the temperature of A phase cover plate.

[0015] Two heat conduction plates are located between B phase conductor and C phase conductor, and two heat conduction plates can absorb the heat emitted by B, C phase, so as to reduce the temperature of A phase cover plate.

[0016] The material of heat conduction plate is aluminum product, that is, the heat conduction plate of aluminum product has good heat conduction performance, so that the heat can be fully transmitted to the side plate or cover plate.

[0017] Compared with the prior art, the present application has at least one of the following beneficial technical effects:

[0018] 1, temperature balance is improved: by introducing the heat conduction plate with U-shaped structure, and ingeniously arranging it between A, B, C phase conductors, and the open mouth is arranged towards N phase conductor, and the two ends of the heat conduction plate are located between the side plate and N phase cover plate. Such design makes the heat generated by A, B, C phase conductor can be more uniformly transmitted to N phase cover plate and side plate through heat conduction plate, so as to effectively alleviate the problem of high temperature of A phase side upper cover, realize the relative balance of the temperature in the bus duct.

[0019] 2、Heat dissipation efficiency is improved: the heat conduction plates are provided with two, and can be selected to be arranged separately or to be arranged closely, and the layout further enhances the heat transfer efficiency. The heat conduction plates arranged separately can cover the A, B and C phase conductors more widely, so that the heat is fully absorbed and transferred to the surrounding; and the heat conduction plates arranged closely can absorb more heat and accelerate the heat transfer speed. The three setting modes can significantly improve the heat dissipation efficiency of the bus duct.

[0020] 3、Material cost optimization: by improving the heat dissipation uniformity, the utility model avoids the situation that the material thickness or quantity has to be increased due to local high temperature, so that the material cost is optimized while the heat dissipation effect is ensured.

[0021] 4、Current density is improved: due to the improvement of the heat dissipation efficiency, the temperature of the conductor in the bus duct is effectively controlled, and then the current density of the conductor is indirectly improved, so that the bus duct is more efficient and reliable when transmitting electric energy. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a structure schematic view of the utility model embodiment one;

[0023] Figure 2 It is a structure schematic view of the utility model embodiment two;

[0024] Figure 3 It is a structure schematic view of the utility model embodiment three

[0025] Figure 4 It is a structure schematic view of the prior art.

[0026] BRIEF DESCRIPTION OF DRAWINGS

[0027] 100, A phase;101, B phase;102, C phase;103, N phase;200, A phase cover plate;201, N phase cover plate;202, side plate;300, heat conduction plate. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the utility model embodiment more clear, the following will combine the drawings of the utility model embodiment to make the purpose, technical scheme and advantages of the utility model embodiment more clear. Figures 1-3 The technical scheme of the utility model embodiment is clearly and completely described. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by the person skilled in the art belong to the scope of the utility model protection.

[0029] Embodiment one;

[0030] A high-efficiency heat dissipation compact busbar trunking includes a housing formed by two cover plates and two side plates 202. The housing has a through-type internal space for placing multiple conductors (A, B, C, and N phases 103, where A, B, and C phases 102 are three-phase AC conductors and N phase 103 is a neutral conductor) arranged in parallel within the housing. When the multiple conductors are arranged, N phase 103 is located at the outermost position, and A, B, and C phases 102 are arranged adjacent to each other. The heat dissipated by A, B, and C phases 102 during operation is much higher than that dissipated by N phase 103.

[0031] Therefore, two heat-conducting plates 300 are also provided between phases A, B, and C 102, such as... Figure 1 As shown, two heat-conducting plates 300 are disposed on both sides of the B-phase 101 conductor, that is, the two heat-conducting plates 300 and the A, B, and C-phase 102 conductors are arranged alternately, and both heat-conducting plates 300 are U-shaped structures, that is, each heat-conducting plate 300 has an opening, and the opening direction of both heat-conducting plates 300 can be arranged towards the N-phase 103 conductor. The two ends of the heat-conducting plates 300 are located between the side plate 202 and the N-phase cover plate 201.

[0032] When the busbar trunking is in use, some of the heat generated by conductor A100 is conducted to the A-phase cover plate 200, and some heat is transferred to the adjacent heat-conducting plate 300; at the same time, the heat generated by conductor B101 is transferred to the heat-conducting plates 300 on both sides; and some of the heat generated by conductor C102 is transferred to the adjacent heat-conducting plate 300, and some heat is transferred to conductor N103; the heat generated by conductor N103 is transferred to the N-phase cover plate 201; at this time, some of the heat carried by the two heat-conducting plates 300 is transferred to the two side plates 202, and some heat is transferred to the N-phase cover plate 201. This allows the temperature between the A-phase cover plate 200, the N-phase cover plate 201, and the two side plates 202 to be relatively balanced, thereby improving the heat dissipation efficiency of the busbar trunking and ensuring the normal operation of the busbar trunking.

[0033] It is worth mentioning that the heat conduction plate 300 is made of aluminum, which allows it to effectively conduct heat. The heat conduction plate 300 can also be made of other materials with good thermal conductivity to improve the heat dissipation efficiency of the busbar trunking.

[0034] Implementation 2;

[0035] The difference from Embodiment 1 is that in this embodiment, there are two heat-conducting plates 300, such as... Figure 2 As shown, the two heat-conducting plates 300 are arranged in close contact. Compared with a single heat-conducting plate 300, the two adjacent heat-conducting plates 300 can absorb more redundant heat in the area where the heat-conducting plates 300 are arranged, so that heat dissipation can be targeted to a specific area.

[0036] Specifically, the two heat-conducting plates 300 are located between the A-phase 100 conductor and the B-phase 101 conductor, so that the two heat-conducting plates 300 can absorb the heat generated between the A-phase 100 conductor and the B-phase 101 conductor and transfer part of the heat to the N-phase 103 conductor, for balancing the temperature between the A-phase cover plate 200, the N-phase cover plate 201 and the two side plates 202.

[0037] Embodiment three is implemented;

[0038] As shown in Figure 3 the difference between the second embodiment is that, in this embodiment, the two heat-conducting plates 300 are located between the B-phase 101 conductor and the C-phase 102 conductor, so that the two heat-conducting plates 300 can absorb the heat generated between the B-phase 101 conductor and the C-phase 102 conductor and transfer part of the heat to the N-phase 103 conductor, for balancing the temperature between the A-phase cover plate 200, the N-phase cover plate 201 and the two side plates 202.

[0039] The above is the preferred embodiment of the present application, it should be noted that, for those skilled in the art, without departing from the principles of the present application, under the premise of also can make a number of improvements and refinements, these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A high-efficiency heat dissipation compact busbar trunking, characterized in that: include; The housing is a closed structure with an internal space formed by an A-phase cover plate (200), an N-phase cover plate (201), and two side plates (202). The conductor extends along the length of the shell, and multiple conductors are arranged in parallel. The conductors penetrate the shell along the length of the shell, and the N phase (103) is located at the outermost edge when the multiple conductors are arranged. Several heat-conducting plates (300) are located between phases A, B, and C (102), and the heat-conducting plates (300) are configured with a U-shaped structure, that is, the heat-conducting plate (300) has an opening facing the N-phase (103) conductor, and the two ends of the heat-conducting plate (300) are located between the side plate (202) and the N-phase cover plate (201).

2. The high-efficiency heat dissipation compact busbar trunking as described in claim 1, characterized in that: The heat-conducting plate (300) is provided in two, and the two heat-conducting plates (300) are arranged alternately between multiple conductors.

3. The high-efficiency heat dissipation compact busbar trunking as described in claim 1, characterized in that: The heat-conducting plate (300) is provided in two parts, and the two heat-conducting plates (300) are attached to each other.

4. A high-efficiency heat dissipation compact busbar trunking as described in claim 1 or 3, characterized in that: Two heat-conducting plates are located between the A-phase (100) conductor and the B-phase (101) conductor.

5. A high-efficiency heat dissipation compact busbar trunking as described in claim 1 or 3, characterized in that: Two heat-conducting plates are located between the B-phase (101) conductor and the C-phase (102) conductor.

6. The high-efficiency heat dissipation compact busbar trunking as described in claim 5, characterized in that: The heat-conducting plate (300) is made of aluminum.

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