Ring network air switch seat facilitating heat dissipation
Patent Information
- Application Number
- CN202522521867.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-27
- Publication Date
- 2026-10-27
- Estimated Expiration
- 2035-11-27
AI Technical Summary
[0004]空气开关座的通风散热性能对空气开关座的整体使用性能和安全性能具有重要的影响,现有技术中的空气开关座存在散热效果不佳的问题,需要设计一种具有优异通风散热性能的空气开关座,以提高空开座的使用性能
[0016]与现有技术相比,本实用新型能够取得如下有益效果:本方案中的空气开关座能通过散热单元一、散热单元二和散热单元三进行良好的通风散热,能避免内部温度快速升高,避免因温度升高使磁力线圈的磁力增强而触发保护机构跳闸,防止电路频繁断开,能避免因热量集中而使触点表面温度超过额定值,防止破坏开关的分合闸功能,能避免因散热不足使绝缘材料老化加速,防止电气事故风险,能增加产品的使用寿命。
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Figure CN224908890U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of circuit breaker holder technology, and specifically provides a ring network air switch holder that facilitates heat dissipation. Background Technology
[0002] The power distribution system is a network system in the power system responsible for distributing electrical energy from step-down or high-voltage distribution substations to end users (residential, commercial, industrial, etc.) through primary and secondary equipment conversion and control. It is a key link connecting the transmission network and end-user equipment, and directly determines the reliability, power quality, and economic efficiency of power supply.
[0003] Air switch holders, as mounting bases for air switches in power distribution systems, are an indispensable basic component of power distribution systems. Air switch holders can fix air switches in distribution cabinets or busbar trunking and provide reliable electrical connections and mechanical support, enabling air switches to perform functions such as segmented isolation, load transfer, and fault clearing in the power supply system.
[0004] The ventilation and heat dissipation performance of the air switch holder has a significant impact on its overall performance and safety. Existing air switch holders suffer from poor heat dissipation, necessitating the design of an air switch holder with superior ventilation and heat dissipation performance to improve its overall performance. Utility Model Content
[0005] To solve the above problems, this utility model provides a ring network air switch holder that facilitates heat dissipation, which can improve ventilation and heat dissipation, and enhance the overall performance and service life of the air switch holder.
[0006] This utility model provides a ring main circuit breaker base for easy heat dissipation, including a base and an upper cover plate covering the base. A circuit breaker is mounted on the upper cover plate. The base is provided with ring main terminals, connecting copper busbars, and connecting copper posts. The base includes an installation area one and an installation area two. The ring main terminals are located in the installation area one, and the connecting copper busbars and connecting copper posts are located in the installation area two. The upper cover plate has a heat dissipation unit two located above the installation area two and a heat dissipation unit one located near the installation area. An end plate one on the side of the base located in the installation area one and an end plate two on the side of the base located in the installation area two are connected below the base to form a heat dissipation unit three. The circuit breaker is covered on the connecting copper posts, and the connecting copper posts support the circuit breaker. The circuit breaker does not abut against the base and forms a heat dissipation unit four.
[0007] Furthermore, a limiting platform is provided on the circuit breaker, and the upper end of the connecting copper column abuts against the limiting platform of the circuit breaker; the distance between the upper end face of the connecting copper column and the upper end face of the base is H1, and the distance between the bottom end face of the limiting platform and the bottom end face of the circuit breaker is H2, where H1 > H2.
[0008] Furthermore, the base includes a side plate, and end plate one and end plate two are respectively connected between the two ends of the side plate; the depth of end plate one is greater than the depth of end plate two, and end plate one is provided with a connecting ventilation groove one, thereby forming a heat dissipation unit three that connects end plate one and end plate two under the base.
[0009] Furthermore, multiple connecting ventilation slots are provided on end plate 2.
[0010] Furthermore, the upper cover includes cover plate one and cover plate two, cover plate one being located above installation area one and extending to installation area two; heat dissipation unit one is disposed on cover plate one, and heat dissipation unit two is disposed on cover plate two.
[0011] Furthermore, the connecting copper pillars include an inlet copper pillar and an outlet copper pillar. A cover plate two is installed over the inlet copper pillar and the outlet copper pillar. The inlet copper pillar is located near the end plate two, and the outlet copper pillar is located near the cover plate one. The heat dissipation unit one is a heat dissipation hole group one opened on the cover plate one, and the heat dissipation hole group one is located near the outlet copper pillar.
[0012] Furthermore, the second heat dissipation unit is a group of heat dissipation holes evenly distributed on the second cover plate, and the second group of heat dissipation holes is located between the inlet copper post and the outlet copper post.
[0013] Furthermore, each phase is provided with a heat dissipation hole group one and a heat dissipation hole group two. The heat dissipation hole group one includes a plurality of heat dissipation holes one evenly arranged in the transverse direction, and the heat dissipation hole group two includes a plurality of heat dissipation holes two evenly arranged in the longitudinal direction.
[0014] Furthermore, an upper boss is provided at the connection between cover plate one and cover plate two, and the upper boss is located between the outgoing copper column and cover plate two.
[0015] Furthermore, the ring network terminal includes two layers arranged in a stepped manner, specifically including an incoming terminal on the lower layer and an outgoing terminal on the upper layer. The incoming terminal is electrically connected to the connecting copper busbar through a transition copper busbar.
[0016] Compared with the prior art, the present invention can achieve the following beneficial effects: the air switch base in this solution can achieve good ventilation and heat dissipation through heat dissipation unit one, heat dissipation unit two and heat dissipation unit three, which can avoid rapid rise in internal temperature, prevent the magnetic force of the magnetic coil from being enhanced due to temperature rise and triggering the protection mechanism to trip, prevent frequent circuit disconnection, prevent the contact surface temperature from exceeding the rated value due to heat concentration, prevent damage to the opening and closing function of the switch, prevent the insulation material from aging faster due to insufficient heat dissipation, prevent the risk of electrical accidents, and increase the service life of the product. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the overall structure of the air switch holder according to an embodiment of the present utility model (showing the circuit breaker); Figure 2This is a structural schematic diagram of the base in the air switch socket according to an embodiment of the present utility model; Figure 3 This is a structural schematic diagram of the base, ring network terminal, and connecting copper column in the air switch socket according to an embodiment of the present utility model; Figure 4 This is a schematic diagram of the overall structure of the air switch holder according to an embodiment of the present utility model (circuit breaker not shown); Figure 5 This is a structural schematic diagram of the heat dissipation unit three in the air switch socket provided according to an embodiment of the present utility model.
[0018] The attached reference numerals include: base 1, upper cover plate 2, ring network terminal 3, incoming copper column 4, outgoing copper column 5, upper boss 6, transition copper busbar 7, heat dissipation hole 2 8, side plate 9, end plate 10, end plate 2 11, incoming terminal 12, outgoing terminal 13, circuit breaker 14, heat dissipation unit 3 15, limiting platform 16, connecting ventilation slot 1 17, connecting ventilation slot 2 18, cover plate 1 19, cover plate 2 20, heat dissipation hole 1 21, heat dissipation unit 4 22. Detailed Implementation
[0019] To make the objectives, technical solutions, and advantages of this utility model clearer, the following description is provided in conjunction with the appendix. Figure 1-5 The present invention will be further described in detail below with reference to specific embodiments. It should be understood that the specific embodiments described herein are only for explaining the present invention and do not constitute a limitation thereof.
[0020] A heat-dissipating ring main circuit breaker base includes a base 1 and an upper cover 2 covering the base 1. A circuit breaker 14 is mounted on the upper cover 2. The base 1 includes ring main terminals 3, connecting copper busbars, and connecting copper posts. The base 1 includes a first installation area and a second installation area. The ring main terminals 3 are located in the first installation area, while the connecting copper busbars and connecting copper posts are located in the second installation area. The base 1 includes a side plate 9, with a first end plate 10 and a second end plate 11 respectively connected between the two ends of the side plate 9. The upper cover 2 includes a first cover plate 19 and a second cover plate 20. The first cover plate 19 is located above the first installation area and extends into the second installation area. The connecting copper posts include an inlet copper post 4 and an outlet copper post 5. The ring main terminals 3 consist of two stepped layers, specifically an inlet terminal 12 in the lower layer and an outlet terminal 13 in the upper layer. The inlet terminal 12 is electrically connected to the connecting copper busbar via a transition copper busbar 7. The position of one phase connecting copper busbar is as follows: Figure 3 As shown at point K, other connected copper busbars are similarly positioned in their respective locations.
[0021] The upper cover plate 2 has a heat dissipation unit 2 located above the installation area 2 and a heat dissipation unit 1 located near the installation area. The heat dissipation unit 1 is located on the cover plate 19, and the heat dissipation unit 2 is located on the cover plate 20. The cover plate 20 covers the inlet copper post 4 and the outlet copper post 5. The inlet copper post 4 is located near the end plate 21, and the outlet copper post 5 is located near the cover plate 19. An upper boss 6 is provided at the connection between the cover plate 19 and the cover plate 20. The upper boss 6 is located between the outlet copper post 5 and the cover plate 20. The upper boss 6 provides a space for the connecting parts below to prevent interference.
[0022] Heat dissipation unit one is a group of heat dissipation holes opened on cover plate one 19, which is located near the outgoing copper post 5. Heat dissipation unit two is a group of heat dissipation holes evenly opened on cover plate two 20, which is located between the incoming copper post 4 and the outgoing copper post 5. Each phase has a group of heat dissipation holes one and a group of heat dissipation holes two. The group of heat dissipation holes one includes multiple heat dissipation holes one 21 evenly arranged in the transverse direction, and the group of heat dissipation holes two includes multiple heat dissipation holes two 8 evenly arranged in the longitudinal direction. The ventilation and heat dissipation performance of the circuit breaker seat is improved by the heat dissipation holes one 21 and the heat dissipation holes two 8. Figure 3 As shown in the M direction, the lateral direction is as follows Figure 3 Shown in the N direction.
[0023] End plate 10 on one side of mounting area 1 and end plate 11 on the other side of mounting area 2 are connected below the base 1 to form heat dissipation unit 3 15. The depth of end plate 10 is greater than the depth of end plate 11, and end plate 10 has a connecting ventilation slot 17, thus forming a connection between end plate 10 and end plate 11 below the base 1. Figure 3 The heat dissipation unit 3 15 shown has multiple connecting ventilation slots 2 18 on the end plate 2 11. The heat dissipation unit 3 15 is formed by connecting ventilation slots 17, which forms a heat dissipation channel. The heat dissipation and ventilation performance can be further improved by connecting ventilation slots 2 18.
[0024] Circuit breaker 14 is mounted on a connecting copper post, which supports circuit breaker 14. Circuit breaker 14 does not abut against base 1 and forms a heat dissipation unit 22. Circuit breaker 14 has openings on it. Figure 5 The limiting platform 16 shown in the figure connects the upper end of the copper column to the limiting platform 16 of the circuit breaker 14. The distance between the upper end face of the copper column and the upper end face of the base 1 is H1, and the distance between the bottom end face of the limiting platform 16 and the bottom end face of the circuit breaker 14 is H2. H1 > H2, thus forming a heat dissipation channel, i.e., heat dissipation unit 22.
[0025] In use, ring network terminal 3 is electrically connected to connecting copper busbar via transition copper busbar 7. Connecting copper busbar is electrically connected to incoming copper post 4. Incoming copper post 4 is electrically connected to outgoing copper post 5 via circuit breaker 14. The bottom of outgoing copper post 5 is connected to busbar. The busbar is as follows... Figure 5As shown in B.
[0026] Although embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present invention.
[0027] The specific embodiments of this utility model described above do not constitute a limitation on the scope of protection of this utility model. Any other corresponding changes and modifications made based on the technical concept of this utility model should be included within the scope of protection of the claims of this utility model.
Claims
1. A ring main unit for easy heat dissipation, characterized in that, The device includes a base (1) and an upper cover plate (2) covering the base (1). The upper cover plate (2) is equipped with a circuit breaker (14). The base (1) is equipped with a ring network terminal (3), a connecting copper busbar and a connecting copper column. The base (1) includes an installation area one and an installation area two. The ring network terminal (3) is located in the installation area one, and the connecting copper busbar and the connecting copper column are located in the installation area two. The upper cover plate (2) is equipped with a heat dissipation unit two located above the installation area two and a heat dissipation unit one located near the installation area. The end plate one (10) on the side of the installation area one and the end plate two (11) on the side of the installation area two are connected below the base (1) to form a heat dissipation unit three (15). The circuit breaker (14) is covered on the connecting copper column and the connecting copper column supports the circuit breaker (14). The circuit breaker (14) does not abut against the base (1) and forms a heat dissipation unit four (22).
2. The heat-dissipating ring network air switch holder according to claim 1, characterized in that, The circuit breaker (14) has a limiting platform (16) and the upper end of the connecting copper column abuts against the limiting platform (16) of the circuit breaker (14); the distance between the upper end face of the connecting copper column and the upper end face of the base (1) is H1, and the distance between the bottom end face of the limiting platform (16) and the bottom end face of the circuit breaker (14) is H2, where H1 > H2.
3. The heat-dissipating ring network air switch holder according to claim 2, characterized in that, The base (1) includes a side plate (9), an end plate one (10) and an end plate two (11) respectively connected between the two ends of the side plate (9); the depth of the end plate one (10) is greater than the depth of the end plate two (11), and a connecting ventilation groove one (17) is provided on the end plate one (10), thereby forming a heat dissipation unit three (15) formed by the end plate one (10) and the end plate two (11) connected below the base (1).
4. The heat-dissipating ring network air switch holder according to claim 3, characterized in that, Multiple connecting ventilation slots (18) are provided on the end plate 2 (11).
5. The heat-dissipating ring network air switch holder according to claim 4, characterized in that, The upper cover (2) includes cover plate one (19) and cover plate two (20). Cover plate one (19) is located above the installation area one and extends to the installation area two. Heat dissipation unit one is disposed on cover plate one (19) and heat dissipation unit two is disposed on cover plate two (20).
6. The heat-dissipating ring network air switch holder according to claim 5, characterized in that, The connecting copper pillars include an inlet copper pillar (4) and an outlet copper pillar (5). A cover plate two (20) covers the inlet copper pillar (4) and the outlet copper pillar (5). The inlet copper pillar (4) is located near the end plate two (11), and the outlet copper pillar (5) is located near the cover plate one (19). The heat dissipation unit one is a heat dissipation hole group one opened on the cover plate one (19). The heat dissipation hole group one is located near the outlet copper pillar (5).
7. The heat-dissipating ring network air switch holder according to claim 6, characterized in that, The second heat dissipation unit is a group of heat dissipation holes evenly opened on the second cover plate (20), and the second heat dissipation hole group is located between the inlet copper column (4) and the outlet copper column (5).
8. The heat-dissipating ring network air switch holder according to claim 7, characterized in that, Each phase is provided with a heat dissipation hole group one and a heat dissipation hole group two. The heat dissipation hole group one includes multiple heat dissipation holes one (21) evenly arranged in the transverse direction, and the heat dissipation hole group two includes multiple heat dissipation holes two (8) evenly arranged in the longitudinal direction.
9. The heat-dissipating ring network air switch holder according to claim 8, characterized in that, An upper boss (6) is provided at the connection between the first cover plate (19) and the second cover plate (20). The upper boss (6) is located between the copper column (5) and the second cover plate (20).
10. The heat-dissipating ring network air switch holder according to claim 9, characterized in that, The ring network terminal (3) includes two layers arranged in a stepped manner, specifically including an incoming terminal (12) located in the lower layer and an outgoing terminal (13) located in the upper layer. The incoming terminal (12) is electrically connected to the connecting copper busbar through a transition copper busbar (7).