阅读说明：本技术 一种能够控制温升的船用大容量配电系统 (Marine high-capacity power distribution system capable of controlling temperature rise ) 是由 王功明 赵克威 陈冬华 徐敏 于 2019-10-23 设计创作，主要内容包括：本发明公开了一种能够控制温升的船用大容量配电系统,该配电系统包括配电柜,所述配电柜内顶部一侧设置有控制元器件安装区域；所述配电柜内顶部另一侧设置有主汇流排安装区域；所述控制元器件安装区域下方设置有断路器安装区域；所述主汇流排安装区域下方设置有电缆进线安装区域；所述控制元器件安装区域的高度高于主汇流排安装区域的高度；所述控制元器件安装区域、主汇流排安装区域、断路器安装区域和电缆进线安装区域之间通过隔板隔开。经过温升试验验证,在环境温度为55℃的情况下,配电系统内最高温升达到船用大容量配电系统对于温升的规范要求。(The invention discloses a high-capacity power distribution system for a ship, which can control temperature rise and comprises a power distribution cabinet, wherein a control component installation area is arranged on one side of the inner top of the power distribution cabinet; a main bus bar mounting area is arranged on the other side of the inner top of the power distribution cabinet; a circuit breaker mounting area is arranged below the control component mounting area; a cable inlet wire mounting area is arranged below the main busbar mounting area; the height of the control component mounting area is higher than that of the main bus bar mounting area; the control component mounting area, the main busbar mounting area, the breaker mounting area and the cable inlet wire mounting area are separated by partition plates. The temperature rise test proves that the highest temperature rise in the power distribution system reaches the standard requirement of the high-capacity power distribution system for the ship on the temperature rise under the condition that the environmental temperature is 55 ℃.)

1. A high-capacity power distribution system for a ship capable of controlling temperature rise is characterized by comprising a power distribution cabinet, wherein a control component mounting area is arranged on one side of the inner top of the power distribution cabinet; a main bus bar mounting area is arranged on the other side of the inner top of the power distribution cabinet; a circuit breaker mounting area is arranged below the control component mounting area; a cable inlet wire mounting area is arranged below the main busbar mounting area; the height of the control component mounting area is higher than that of the main bus bar mounting area; the control component mounting area, the main busbar mounting area, the breaker mounting area and the cable inlet wire mounting area are separated by partition plates.

2. The marine high capacity power distribution system capable of controlling temperature rise according to claim 1, wherein an outlet terminal of the circuit breaker mounted to the circuit breaker mounting region is connected to a main bus bar mounted to the main bus bar mounting region.

3. The marine high capacity power distribution system capable of controlling temperature rise of claim 2, wherein the cable inlet installation area is provided with a cable terminal; and the cable wiring terminal is connected with the wire inlet end of the circuit breaker.

4. A large capacity power distribution system for ships capable of controlling temperature rise according to claim 2, wherein a temperature sensitive component is disposed under the circuit breaker.

5. A large capacity power distribution system for ships capable of controlling temperature increase as set forth in claim 1, wherein said main bus bar mounting area is provided with four sets of A, B, C three-phase bus bars arranged in upper and lower two layers, each of which is two sets of A, B, C three-phase bus bars arranged side by side.

6. A large capacity power distribution system for ships capable of controlling temperature rise according to claim 5, wherein each set A, B, C of three-phase busbars has a phase interval of 130mm, a width of 160mm for each phase of busbars and a thickness of 10mm for each phase of busbars.

7. The high capacity power distribution system for ships capable of controlling temperature rise according to claim 5, wherein the main bus bar mounting region is further provided with an insulating support for supporting the main bus bar.

8. The marine high capacity power distribution system capable of controlling temperature rise of claim 1, wherein said control component mounting area is aligned with said circuit breaker mounting area; the main busbar mounting area is aligned with the cable inlet mounting area.

9. The marine high capacity power distribution system capable of controlling temperature rise according to claim 1, wherein the top and bottom of the power distribution cabinet are respectively provided with a louver.

10. The marine high-capacity power distribution system capable of controlling temperature rise according to claim 1, wherein the protection level of the top of the power distribution cabinet is IP23, and the protection level of the side of the power distribution cabinet is IP 21.

Technical Field

The invention relates to the field of marine high-capacity power distribution systems, in particular to a marine high-capacity power distribution system capable of controlling temperature rise.

Background

With the increasing level of automation of ships, the demand for electric power has grown very rapidly. For a main distribution device of a high-capacity distribution system, under the severe condition that the environmental temperature is 55 ℃, the temperature rise of the whole distribution system is controlled to be below 35K, and the temperature of a distribution system bus bar meeting the specification requirement is not higher than 90 ℃.

Disclosure of Invention

The invention aims to provide a high-capacity distribution system for a ship, which can control temperature rise, so that the highest temperature rise in the distribution system is below 35K under the condition that the ambient temperature is 55 ℃.

In order to achieve the aim, the invention provides a high-capacity power distribution system for a ship, which can control temperature rise and comprises a power distribution cabinet, wherein a control component installation area is arranged on one side of the inner top of the power distribution cabinet; a main bus bar mounting area is arranged on the other side of the inner top of the power distribution cabinet; a circuit breaker mounting area is arranged below the control component mounting area; a cable inlet wire mounting area is arranged below the main busbar mounting area; the height of the control component mounting area is higher than that of the main bus bar mounting area; the control component mounting area, the main busbar mounting area, the breaker mounting area and the cable inlet wire mounting area are separated by partition plates.

The marine high-capacity power distribution system capable of controlling temperature rise is characterized in that the outlet end of the circuit breaker installed in the circuit breaker installation area is connected with the main busbar installed in the main busbar installation area.

In the marine high-capacity power distribution system capable of controlling temperature rise, the cable wiring terminal is arranged in the cable inlet wire installation area; and the cable wiring terminal is connected with the wire inlet end of the circuit breaker.

The marine high-capacity power distribution system capable of controlling the temperature rise is characterized in that a component sensitive to temperature is arranged below the circuit breaker.

In the marine high-capacity power distribution system capable of controlling temperature rise, the main bus bars installed in the main bus bar installation area include four groups of A, B, C three-phase bus bars, and the four groups of A, B, C three-phase bus bars are arranged in an upper layer and a lower layer, wherein each layer is formed by arranging two groups of A, B, C three-phase bus bars in parallel.

In the marine large-capacity power distribution system capable of controlling temperature rise, the phase distance of each group A, B, C of three-phase busbars is 130mm, the width of each phase of busbar is 160mm, and the thickness of each phase of busbar is 10 mm.

The marine high-capacity power distribution system capable of controlling the temperature rise is characterized in that the main busbar mounting area is further provided with an insulating support for supporting the main busbar.

In the marine high-capacity power distribution system capable of controlling temperature rise, the control component mounting area is aligned with the circuit breaker mounting area; the main busbar mounting area is aligned with the cable inlet mounting area.

The marine high-capacity power distribution system capable of controlling the temperature rise is characterized in that the top and the bottom of the power distribution cabinet are respectively provided with a shutter.

The marine high-capacity power distribution system capable of controlling the temperature rise is characterized in that the protection grade of the top of the power distribution cabinet is IP23, and the protection grade of the side face of the power distribution cabinet is IP 21.

Compared with the prior art, the invention has the following beneficial effects:

the invention mainly carries out electromagnetic field analysis according to the arrangement mode of the main bus bar. When the arrangement scheme is selected, the electromagnetic field effect is optimal, the skin effect of current is optimal, the balance degree of the current flowing through the surface of the main bus bar is optimal, the heat generated by the main bus bar due to the skin effect is reduced, and the temperature rise value of the main bus bar is directly reduced.

The marine high-capacity power distribution system capable of controlling temperature rise is verified by a temperature rise test, and the highest temperature rise in the power distribution system meets the standard requirement of the marine high-capacity power distribution system on the temperature rise under the condition that the environmental temperature is 55 ℃.

Drawings

FIG. 1 is a schematic structural diagram of a marine high-capacity power distribution system capable of controlling temperature rise according to the present invention;

fig. 2 is a schematic arrangement diagram of the main bus bar in the present invention.

Detailed Description

The invention will be further described by the following specific examples in conjunction with the drawings, which are provided for illustration only and are not intended to limit the scope of the invention.

As shown in fig. 1, the invention provides a high-capacity power distribution system for a ship, which can control temperature rise, and the power distribution system comprises a power distribution cabinet 1, and further divides the internal space of the power distribution cabinet 1 into 4 installation areas:

(1) a control component mounting area 11 is arranged on one side of the inner top of the power distribution cabinet 1 and is mainly used for mounting control components;

(2) a main busbar mounting area 12 is arranged on the other side of the inner top of the power distribution cabinet 1 and is mainly used for mounting a main busbar 121;

(3) a breaker mounting area 13 is arranged below the control component mounting area 11 and is mainly used for mounting a breaker;

(4) and a cable inlet wire mounting area 14 is arranged below the main busbar mounting area 12 and is mainly used for cable inlet wires.

Furthermore, the height of the control component mounting region 11 is higher than that of the main busbar mounting region 12, so that the main busbar mounting region 12 is located at the upper right (shown in fig. 1) inside the power distribution cabinet 1, and the breaker mounting region 13 is located at the lower left (shown in fig. 1) inside the power distribution cabinet 1; the control component mounting area 11, the main busbar mounting area 12, the breaker mounting area 13 and the cable inlet wire mounting area 14 are separated by metal partition plates, wherein the control component mounting area 11, the main busbar mounting area 12, the breaker mounting area 13 and the cable inlet wire mounting area 14 can be respectively surrounded by metal partition plates and are of rectangular structures. The breaker mounting area 13 and the cable inlet mounting area 14 may be spaced a certain distance from the bottom of the switch cabinet 1. Preferably, the control component mounting area 11 is aligned with the circuit breaker mounting area 13; the main busbar mounting area 12 is aligned with the cable inlet mounting area 14.

The outlet terminal 131 of the circuit breaker mounted in the circuit breaker mounting region 13 is directly connected upward to the main bus bar 121 mounted in the main bus bar mounting region 12. The cable inlet installation area 14 is provided with a cable terminal 141; the cable connection terminal 141 is connected to the inlet line end 132 of the circuit breaker. The current transformer may be located at the incoming line end 132 or the outgoing line end 131 of the circuit breaker. The circuit breaker is a main source that generates heat in switch board 1, because the thermal radiation conduction in space, the heat mainly collects to the upper portion to the lower part space receives the heat radiation little, and the total temperature rise is low. Therefore, a component sensitive to temperature can be further arranged below the circuit breaker. The temperature-sensitive components are a power supply module, a data acquisition unit and the like, the temperature rise in the region is low, the power supply module and the data acquisition unit are prevented from being influenced by heat radiation, and the running reliability of the system is improved.

As shown in fig. 2, the main bus bar 121 mounted in the main bus bar mounting area 12 includes four groups A, B, C of three-phase bus bars arranged in two layers, wherein each layer is two groups A, B, C of three-phase bus bars arranged side by side. Each set A, B, C of three-phase busbars was 130mm apart, with 160mm width and 10mm thickness of each phase busbar. The main bus bar mounting region 12 is further provided with an insulating support 122 for supporting the main bus bar 121.

The power distribution cabinet 1 adopted in the present embodiment can adopt the following design: the protection grade of the top of the power distribution cabinet 1 is IP23, and the protection grade of the side of the power distribution cabinet 1 is IP 21. The top and the bottom of the power distribution cabinet 1 are respectively provided with a shutter, a forced ventilation measure is not needed, and natural convection heat dissipation is formed only by the upper and the lower shutter holes.

The main heat dissipation source is main busbar 121 in the distribution system, and another main source that generates heat is the circuit breaker, how rationally arrange the circuit breaker position to and busbar and circuit breaker's connection all relate to the inside temperature rise condition of distribution system, can further realize more excellent temperature rise control effect through the type selection, the trend of busbar, arrangement on this basis.

The invention mainly carries out electromagnetic field analysis according to the arrangement mode of the main bus bar. When the arrangement scheme is selected, the electromagnetic field effect is optimal, the skin effect of current is optimal, the balance degree of the current flowing through the surface of the main bus bar is optimal, the heat generated by the main bus bar due to the skin effect is reduced, and the temperature rise value of the main bus bar is directly reduced.

The marine high-capacity power distribution system capable of controlling temperature rise is verified by a temperature rise test, and the highest temperature rise in the power distribution system meets the standard requirement of the marine high-capacity power distribution system on the temperature rise under the condition that the environmental temperature is 55 ℃.

While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the invention. Various modifications and alterations to this invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be determined from the following claims.