Search

CN-122025456-A - Secondary fusion sleeve column circuit breaker based on capacitor electricity taking design

CN122025456ACN 122025456 ACN122025456 ACN 122025456ACN-122025456-A

Abstract

The invention relates to the field of circuit breakers, and discloses a secondary fused loop column circuit breaker based on a capacitor electricity taking design, which comprises a circuit breaker main body and a mechanism box, wherein the circuit breaker main body is arranged at the upper end of the mechanism box, a heat dissipation groove is formed in the rear side of the mechanism box, a control module and a capacitor module are integrated on the front side wall of the heat dissipation groove, a radiator is jointly arranged on the heating parts of the control module and the capacitor module and consists of a heat dissipation panel on the front side and a plurality of horizontal heat dissipation fins, the heat dissipation groove is divided into a first ventilation space and a second ventilation space by the radiator, the inner bottoms of the first ventilation space and the second ventilation space are respectively provided with a wind groove, and an adjustable air collecting and discharging mechanism and an adjustable air flow direction adjusting mechanism are arranged below the mechanism box. The circuit breaker utilizes more air flow in the high air, ensures heat dissipation, and is provided with a self-cleaning structure, so that the whole use is more convenient.

Inventors

  • WANG XIAO
  • LU ZHIXING
  • XU XU

Assignees

  • 博时达集团有限公司

Dates

Publication Date
20260512
Application Date
20260304

Claims (10)

  1. 1. A two-time fusion loop column circuit breaker based on capacitor electricity taking design is characterized by comprising: The circuit breaker comprises a circuit breaker main body (1) and a mechanism box (2), wherein the circuit breaker main body (1) is arranged at the upper end of the mechanism box (2), a heat dissipation groove (10) is formed in the rear side of the mechanism box (2), a control module and a capacitor module are integrated on the front side wall of the heat dissipation groove (10), a radiator (36) is jointly arranged on the heating parts of the control module and the capacitor module, the radiator (36) consists of a front side heat dissipation panel and a plurality of horizontal heat dissipation fins, the radiator (36) divides the heat dissipation groove (10) into a first ventilation space (32) and a second ventilation space (33), and air grooves (22) are formed in the inner bottoms of the first ventilation space (32) and the second ventilation space (33); The air collecting and discharging mechanism and the adjustable air flow direction adjusting mechanism are arranged below the mechanism box (2), the adjustable air flow direction adjusting mechanism can automatically adjust the position of the air collecting and discharging mechanism according to the air flowing direction of natural air, and the air collecting and discharging mechanism can be located in the windward direction under the high-temperature and normal-temperature environments through the temperature control mechanism, so that the radiating effect is improved, the air collecting and discharging mechanism is located in the wind blocking direction under the low-temperature environments, the heat preservation purpose is achieved, and the influence on the actual electricity storage capacity and the service life of the capacitor module due to the fact that the temperature is too low or too high is avoided.
  2. 2. The secondary fused sleeve column circuit breaker based on the capacitor electricity taking design according to claim 1, wherein a detachable sealing plate (8) is arranged on the rear side of the mechanism box (2), the detachable sealing plate (8) is used for sealing a notch of the heat dissipation groove (10), and a protective cover (9) is fixedly connected to the lower end of the mechanism box (2).
  3. 3. The secondary fused loop column circuit breaker based on the capacitor electricity taking design according to claim 1, wherein mounting plates (30) are mounted on two sides of the mechanism box (2), and a plurality of connecting ports (31) are mounted on each mounting plate (30).
  4. 4. The secondary fusion loop column circuit breaker based on the capacitor electricity taking design according to claim 1, wherein the gas collecting and discharging mechanism comprises a rotating column (4) rotationally connected to the lower end of the mechanism box (2), two arc-shaped cavities (13) are symmetrically formed in the rotating column (4), horizontal fixed pipes (11) are respectively communicated with the opposite sides of the two arc-shaped cavities (13), two lantern rings (12) are rotationally and hermetically connected to the upper end of the rotating column (4), annular through grooves (34) are respectively formed in the inner sides of the two lantern rings (12), each annular through groove (34) is communicated with the corresponding arc-shaped cavity (13) through a communication port (14), the two arc-shaped cavities (13) are respectively communicated with a connecting pipe (20), the other end of the connecting pipe (20) located above is communicated with one air groove (22), and the other end of the connecting pipe (20) located below is communicated with the other air groove (22).
  5. 5. The secondary fused loop column circuit breaker based on the capacitor electricity taking design according to claim 4, wherein the other ends of the two horizontal fixing pipes (11) are communicated with flaring-shaped wind collecting hoods (7), annular mounting grooves (35) are formed in the end parts of the flaring-shaped wind collecting hoods (7), and a filter plate (16) is mounted in each annular mounting groove (35).
  6. 6. The secondary fusion sleeve column circuit breaker based on the capacitor electricity taking design according to claim 5, wherein two flaring-shaped wind collecting hoods (7) are internally provided with vertical support plates (23) which are fixedly connected with, each vertical support plate (23) is rotatably connected with a rotating shaft (24) through a bearing, one end, close to a corresponding filter plate (16), of each rotating shaft (24) is fixedly connected with a rectangular strip (26), one side, close to the rectangular strip (26), of each filter plate (16) is fixedly connected with a connecting column (15), rectangular grooves (28) are formed in the other end of each connecting column (15), each rectangular strip (26) extends into each corresponding rectangular groove (28) and is in sliding connection with the inner wall of each corresponding rectangular groove (28), and each rectangular strip (26) is elastically connected with one side wall of each corresponding rectangular groove (28) through a spring (27).
  7. 7. The secondary fused sleeve column circuit breaker based on the capacitive power taking design according to claim 6, wherein one end of each rotating shaft (24) far away from the corresponding rectangular strip (26) is fixedly connected with a plurality of axial flow fan blades (25), the axial flow fan blades (25) form an axial flow fan group, and when air flows through the axial flow fan group, generated torque can enable the rotating shaft (24) to have a rotating trend.
  8. 8. The secondary fused sleeve column circuit breaker based on the capacitor electricity taking design according to claim 7, wherein a plurality of L-shaped connecting blocks (18) are arranged on one side, far away from the rotary column (4), of the flaring-shaped wind collecting cover (7), balls (19) are connected to each L-shaped connecting block (18) in a rolling mode, hemispherical protruding blocks (17) are fixedly connected to one side, far away from the rotary column (4), of each filter plate (16) at equal intervals, and the hemispherical protruding blocks (17) are matched with the balls (19).
  9. 9. The secondary fused loop column circuit breaker based on the capacitor electricity taking design according to claim 1, wherein the adjustable airflow direction regulating mechanism comprises a mounting cylinder (21) fixedly connected to the lower end of the rotating column (4), a driving motor (29) is mounted at the inner bottom of the mounting cylinder (21), an output shaft of the driving motor (29) penetrates through the inner bottom of the mounting cylinder (21) and is fixedly connected with a driving shaft (5), and a wind vane (6) is fixedly connected to the lower end of the driving shaft (5).
  10. 10. A two-time fused loop breaker based on capacitive tapping design according to claim 9, characterized in that the temperature control means comprises a temperature sensor (3) mounted at the upper end of the mechanism box (2), the temperature sensor (3) being co-operable with the control module to activate the drive motor (29) once after each crossing of a set threshold value, so that the drive shaft (5) is rotated in one direction by 90 °.

Description

Secondary fusion sleeve column circuit breaker based on capacitor electricity taking design Technical Field The invention relates to the field of circuit breakers, in particular to a secondary fused loop column circuit breaker based on a capacitor electricity taking design. Background The circuit breaker on the secondary fused sleeve column with the capacitor electricity taking function is characterized in that the capacitor electricity taking function is used for supplying power to secondary equipment, the secondary equipment collects and analyzes data to control the on-off of primary equipment, so that protection and control of a power line are realized, safe and stable operation of a power system are ensured, a capacitor element is usually arranged in a mechanism box, the mechanism box is an important component part of the circuit breaker and is used for accommodating components such as an operating mechanism, a capacitor electricity taking module is arranged in the mechanism box and is convenient to electrically connect with other control and operating components of the circuit breaker, a stable power supply is provided for the circuit breaker, a capacitor exists in the capacitor electricity taking function, the capacitor is one of power electronic components, heat dissipation and heat preservation of the traditional circuit breaker cannot be adjusted, when the temperature is high, insufficient heat dissipation can exist, and when the temperature is low, excessive temperature reduction can occur, and the capacitor electricity storage and the service life can be influenced by the capacitor. Therefore, the invention of China with the publication number of CN119742206B discloses a capacitor electricity-taking type secondary fusion sleeve column circuit breaker, relates to the technical field of circuit breakers, and aims to solve the technical problems that when the existing circuit breaker is used in a high-temperature environment in summer or a low-temperature environment in winter, the high temperature or the low temperature easily has adverse effect on a capacitor element, and the performance and the service life of the capacitor element are reduced; However, the heat dissipation of the upper end circuit breaker is mainly realized by opening the radiating fins and air flow in the vertical direction, in practice, the air flow in the vertical direction is rarely generated, so that the situation of poor heat dissipation effect is easily caused, in addition, the heat preservation and heat dissipation state switching in the scheme adopts a complex mechanical structure, and the intrinsic functional power supply is only used on the outdoor capacitor electricity taking type secondary fusion sleeve column circuit breaker and only depends on the capacitor for self power generation, so that the high-power motor drive cannot be matched, only manual operation is realized during the switching, the operation is troublesome, and the operation is difficult under the environment with larger day and night temperature difference. Disclosure of Invention The invention aims to provide a capacitive power-taking type secondary fuse combined sleeve column circuit breaker so as to solve the problems in the prior art. The aim of the invention can be achieved by the following technical scheme: a secondary fusion sleeve column circuit breaker based on a capacitor electricity taking design comprises a circuit breaker main body and a mechanism box, wherein the circuit breaker main body is arranged at the upper end of the mechanism box, a heat dissipation groove is formed in the rear side of the mechanism box, a control module and a capacitor module are integrated on the front side wall of the heat dissipation groove, a radiator is jointly arranged on a heating part of the control module and the capacitor module, the radiator consists of a heat dissipation panel on the front side and a plurality of horizontal heat dissipation fins, the radiator divides the heat dissipation groove into a first ventilation space and a second ventilation space, air grooves are formed in the inner bottoms of the first ventilation space and the second ventilation space, a gas collecting and discharging mechanism and an adjustable air flow direction adjusting mechanism are arranged below the mechanism box, the position of the air collecting and discharging mechanism can be automatically adjusted according to the flowing direction of natural air, the air collecting and discharging mechanism can be located in the windward direction under the high temperature and normal temperature environment through the temperature control mechanism, the heat dissipation effect is improved, the air collecting and discharging mechanism is located in the wind blocking direction under the low temperature environment, the purpose is avoided, the effect of the fact that the air collecting and the service life of the capacitor is influenced by the fact that the temperature is too