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CN-121983450-A - Intelligent measuring plastic shell type circuit breaker

CN121983450ACN 121983450 ACN121983450 ACN 121983450ACN-121983450-A

Abstract

The invention discloses an intelligent measuring plastic shell type circuit breaker which comprises a circuit breaker body, wherein a heat radiation assembly is arranged in the circuit breaker body, a mounting frame is arranged above a vent, a heat radiation fan is fixedly connected to the mounting frame, a second filter screen is arranged on the mounting frame, heat radiation windows are arranged on two sides of the circuit breaker body, two groups of fixing blocks are arranged in the circuit breaker body, a first filter screen is arranged on a lifting frame, a first screw is rotatably connected between the two fixing blocks of the same group, the first screw is in threaded connection with the lifting frame, a high-efficiency heat radiation air channel is formed by actively sucking air through the bottom heat radiation fan, and passively exhausting air through the heat radiation windows on two sides, a liftable first filter screen is arranged, the heat radiation window is covered for dust prevention when the heat radiation is not radiated or is under low load, when the heat radiation is required to be enhanced, the heat radiation fan can be controlled to descend through a driving piece, the heat radiation channel is opened, the second filter screen at the bottom carries out primary filtration on air inlet, and double protection is effective to reduce the risk of dust accumulation inside.

Inventors

  • DONG PIN
  • CHEN LIFENG

Assignees

  • 昊诚集团有限公司

Dates

Publication Date
20260505
Application Date
20260327

Claims (10)

  1. 1. The intelligent measuring plastic shell type circuit breaker comprises a circuit breaker body (1) and is characterized in that a heat dissipation assembly (2) is arranged in the circuit breaker body (1); The utility model provides a heat dissipation subassembly (2) is including vent (201), the bottom of circuit breaker body (1) is equipped with vent (201), the top of vent (201) is equipped with mounting bracket (202), fixedly connected with heat dissipation fan (203) on mounting bracket (202), install second filter screen (212) on mounting bracket (202), the both sides of circuit breaker body (1) are equipped with heat dissipation window (204), the inside of circuit breaker body (1) is equipped with two sets of fixed blocks (205), two of same group fixedly connected with guide bar (206) between fixed block (205), every sliding connection has two lifter blocks (207) on guide bar (206), two fixedly connected with lifter (208) between lifter blocks (207), install first filter screen (209) on lifter (208), rotate between fixed block (205) and be connected with first screw rod (210), threaded connection between first screw rod (210) and lifter block (207), fixedly connected with on fixed block (205) output shaft (211), drive piece (211) are equipped with on the drive assembly (3).
  2. 2. The intelligent measuring plastic case type circuit breaker according to claim 1, wherein the replacing assembly (3) comprises a first rotating shaft (301), each lifting frame (208) is rotatably connected with two first rotating shafts (301), each first rotating shaft (301) is rotatably connected with a first buckling block (302) with a Z-shaped section, each first buckling block (302) is abutted to a first filter screen (209), each first filter screen (209) is slidably connected with the lifting frame (208), a first spring (304) is fixedly connected between the lifting frames (208), each first spring (304) is abutted to each first filter screen (209), each first rotating shaft (301) is sleeved with a first torsion spring (303), and two ends of each first torsion spring (303) are fixedly connected with each first buckling block (302) and each lifting frame (208).
  3. 3. The intelligent measuring plastic case type circuit breaker according to claim 2, wherein the mounting frame (202) is rotatably connected with two second rotating shafts (305), the second rotating shafts (305) are rotatably connected with second buckling blocks (306) with Z-shaped sections, the second filter screen (212) is slidably connected with the mounting frame (202), the second buckling blocks (306) are abutted with the second filter screen (212), the mounting frame (202) is fixedly connected with second springs (308), the second springs (308) are abutted with the second filter screen (212), second torsion springs (307) are sleeved outside the second rotating shafts (305), two ends of each second torsion spring (307) are fixedly connected with the mounting frame (202) and the second buckling blocks (306) respectively, and buckling grooves (309) are formed in the second filter screen (212).
  4. 4. The intelligent measuring plastic shell type circuit breaker according to claim 1, wherein an adjusting component (4) is arranged on one side of the circuit breaker body (1), the adjusting component (4) comprises a mounting plate (401) and sliding rails (402), two sliding rails (402) with Z-shaped sections are respectively arranged on two sides of the circuit breaker body (1), and the mounting plate (401) with H-shaped sections is connected between the two sliding rails (402) in a sliding mode.
  5. 5. The intelligent measuring plastic shell type circuit breaker according to claim 4, wherein two fixing seats (403) are fixedly connected to two sides of the circuit breaker body (1), a pressing rod (404) with a T-shaped cross section is connected to the fixing seats (403) in a sliding mode, a third spring (405) is fixedly connected between the pressing rod (404) and the fixing seats (403), a sliding bar (406) with a T-shaped cross section is fixedly connected to the end portion of the pressing rod (404), two clamping rods (407) are fixedly connected to the sliding bar (406), the clamping rods (407) are connected with the sliding rail (402) in a sliding mode, a plurality of clamping holes (408) are formed in the mounting plate (401) in a linear array mode, and the clamping rods (407) are clamped with the clamping holes (408).
  6. 6. The intelligent measuring plastic shell type circuit breaker according to claim 1, wherein the circuit breaker body (1) is provided with a wire assembly (5), the wire assembly (5) comprises an adjusting plate (501), the upper part and the lower part of the circuit breaker body (1) are respectively connected with an adjusting plate (501) in a sliding mode, a wire frame (502) with a U-shaped section is fixedly connected to the adjusting plate (501), a spool (506) is rotatably connected to the wire frame (502), a plurality of wire discs (507) are rotatably connected to the spool (506), a fixing plate (503) is fixedly connected to the circuit breaker body (1), the adjusting plate (501) is connected with the fixing plate (503) in a sliding mode, a second screw (504) is rotatably connected to the adjusting plate (501), and the second screw (504) is in threaded connection with the fixing plate (503).
  7. 7. The intelligent measuring plastic shell type circuit breaker according to claim 6, wherein the circuit breaker body (1) is fixedly connected with a guide shaft (505), and the adjusting plate (501) is slidably connected with the guide shaft (505).
  8. 8. The intelligent measuring plastic shell type circuit breaker according to claim 6, wherein a plurality of fixing clamps (508) are fixedly connected to the adjusting plate (501), two guide posts (510) with T-shaped sections are connected to the adjusting plate (501) in a sliding mode, buckling clamps (509) are fixedly connected to the end portions of the two guide posts (510), the buckling clamps (509) are matched with the fixing clamps (508) to clamp wires, fourth springs (511) are fixedly connected between the guide posts (510) and the adjusting plate (501), and rubber pads (512) with C-shaped sections are fixedly connected to the buckling clamps (509) and the fixing clamps (508).
  9. 9. The intelligent measuring plastic shell type circuit breaker according to claim 1, wherein one side of the circuit breaker body (1) is provided with a shell cover (7) through a mounting component (6), the mounting component (6) comprises an elastic buckle (601), two inclined elastic buckles (601) are fixedly connected to two sides of the circuit breaker body (1), the shell cover (7) is provided with a clamping groove (602), and the elastic buckle (601) is clamped with the clamping groove (602).
  10. 10. The intelligent measuring plastic shell type circuit breaker according to claim 9, wherein a pressing block (603) is slidably connected to two sides of the shell cover (7), a connecting bar (604) is fixedly connected to the pressing block (603), two inserting bars (607) are fixedly connected to the connecting bar (604), a pulling block (608) is fixedly connected to the elastic buckle (601), a jack (609) is arranged on the pulling block (608), the inserting bars (607) are spliced with the jack (609), a fixing rod (605) with a T-shaped cross section is fixedly connected to the shell cover (7), and a fifth spring (606) is fixedly connected between the fixing rod (605) and the connecting bar (604).

Description

Intelligent measuring plastic shell type circuit breaker Technical Field The invention relates to the technical field of circuit breakers, in particular to an intelligent measuring plastic shell type circuit breaker. Background Along with the continuous improvement of industrial automation and informatization level, the demand of the power industry for power equipment is increasing, and particularly in the fields of smart grids, new energy sources, industrial production lines and the like, the demand for the intelligence, the high efficiency and the reliability of the power equipment is higher. The plastic shell type breaker is taken as an important component part of a piezoelectric device, is widely applied to various electric power systems and bears key tasks such as protecting circuits, preventing overload and short circuit; The intelligent measurement plastic shell type circuit breaker is used as a new form of technical evolution, integrates advanced technologies such as high-precision data acquisition, internet of things communication, edge calculation and the like, not only realizes the circuit protection function of the traditional circuit breaker, but also has the core advantages of real-time energy consumption monitoring, fault pre-diagnosis, remote control and the like, and the product has irreplaceable functions in intelligent power grid user side power distribution and industrial production line energy consumption management. However, some plastic shell type circuit breakers exist in the prior art, for example, an intelligent measuring plastic shell type circuit breaker is disclosed in the invention patent with the publication number of CN 120933127B, the circuit breaker isolates an electronic area through a connecting frame, and is combined with an inclined plate to guide an operation path of radial horizontal withdrawal of an insertion rod, so that the whole process of disassembly of a handle is finished outside, and the physical contact of an internal measuring module is thoroughly eliminated; Secondly, in order to ensure heat dissipation efficiency, the circuit breaker is usually provided with a ventilation opening and a heat dissipation window, but the circuit breaker also provides a channel for dust and foreign matters to enter, dust accumulation can influence insulating performance, aggravate contact wear and possibly block an air duct, and the traditional filter screen is mostly fixed, so that the circuit breaker is very inconvenient to clean and replace, and particularly in a compact installation space; Furthermore, the intelligent circuit breaker needs to be connected with various cables such as a power line, a signal line and a communication line, the lines are easy to be staggered, the attractive appearance is affected, poor contact is possibly caused by pulling, and difficulties are brought to installation, debugging and later maintenance; Meanwhile, the installation positions of the external display module, the communication expansion module and other devices are fixed, the flexible adjustment cannot be realized according to the on-site operation habit or wiring requirement, and the assembly and disassembly of the protective housing are inconvenient, and the housing for protecting the front operating mechanism and the display unit is fixed by bolts, so that the assembly and disassembly processes are complex, and the quick overhaul is not facilitated. Disclosure of Invention The invention aims to provide an intelligent measuring plastic shell type circuit breaker so as to solve the problems of the background technology. In order to achieve the above purpose, the present invention provides the following technical solutions: the intelligent measuring plastic shell type circuit breaker comprises a circuit breaker body, wherein a heat dissipation assembly is arranged in the circuit breaker body; The heat dissipation assembly comprises a vent, the bottom of circuit breaker body is equipped with the vent, the top of vent is equipped with the mounting bracket, fixedly connected with heat dissipation fan on the mounting bracket, install the second filter screen on the mounting bracket, the both sides of circuit breaker body are equipped with the heat dissipation window, the inside of circuit breaker body is equipped with two sets of fixed blocks, and is same two fixedly connected with guide bar between the fixed block, every sliding connection has two lifter blocks on the guide bar, two fixedly connected with crane between the lifter block, install first filter screen on the crane, same two rotate between the fixed block and be connected with first screw rod, threaded connection between first screw rod and the lifter block, fixedly connected with driving piece on the fixed block, the output shaft and the first screw rod fixed connection of driving piece, be equipped with on the heat dissipation assembly and change the subassembly. In order to facilitate quick disassembly and replacement of