CN-122000229-A - High-safety small isolating switch

Abstract

The invention discloses a high-safety small-sized isolating switch, which comprises an outer shell, wherein a first wiring terminal and a second wiring terminal are arranged on the outer shell, a switch handle is arranged on the outer shell and connected with an electromagnetic tripping assembly, the first wiring terminal is electrically connected with a static contact, a moving contact which can be contacted with the static contact is arranged on the electromagnetic tripping assembly, a fusing assembly is further arranged in the outer shell, the moving contact is electrically connected with the fusing assembly, the fusing assembly is electrically connected with the second wiring terminal, and the high-safety small-sized isolating switch further comprises a control system, wherein the control system is used for receiving monitoring signals of electric appliance components in a circuit, and if the control system analyzes the monitoring signals, the control system provides current for an electromagnetic coil of the electromagnetic tripping assembly and drives the tripping assembly to act so as to realize disconnection of the moving contact and the static contact. The invention enables the isolating switch to have the functions of fusing breaking and signal electromagnetic trip breaking at the same time, and effectively improves the safety performance, practicability and flexibility of the use of the isolating switch.

Inventors

• SANG LISHUANG
• Sang Chaoran

Assignees

• 桑田新能源(浙江)股份有限公司

Dates

Publication Date

20260508

Application Date

20260212

Claims (4)

1. 1. The utility model provides a small-size isolator of high security, includes shell body (3), be provided with first binding post (4) and second binding post (2) on shell body (3), be provided with switch handle (1) on shell body (3), switch handle (1) are connected its characterized in that with electromagnetism tripping device: the electromagnetic tripping device is characterized in that the first wiring terminal (4) is electrically connected with the fixed contact (10), the moving contact (9) which can be contacted with the fixed contact (10) is arranged on the electromagnetic tripping assembly, the fusing assembly is further arranged inside the outer shell (3), the moving contact (9) is electrically connected with the fusing assembly (5), the fusing assembly (5) is electrically connected with the second wiring terminal (2), the electromagnetic tripping device further comprises a control system, the control system is used for receiving monitoring signals of electrical components in a circuit, and if the control system analyzes the monitoring signals, the control system provides current for an electromagnetic coil of the electromagnetic tripping assembly and drives the tripping assembly to act so as to realize disconnection of the moving contact and the fixed contact.
2. 2. The high-safety small-sized isolating switch as claimed in claim 1, wherein a mounting seat (16) is arranged corresponding to the fusing component (5), and a lamp panel (15) electrically connected with the fusing component (5) is arranged in the mounting seat (16).
3. 3. The high-safety small-sized isolating switch according to claim 1, wherein arc extinguishing plates (7) are arranged close to the fixed contact (10) and the moving contact (9).
4. 4. The small-sized high-safety isolating switch of claim 1, wherein the movable part (8) of the electromagnetic tripping assembly is connected with one end of the transmission part (11), the other end of the transmission part (11) is connected with the movable part (12), the movable part (12) is slidably arranged in the outer shell, a contact sensor (14) is arranged at one side corresponding to the movable part (12), and the movable part (12) acts to press a contact button of the contact sensor.

Description

High-safety small isolating switch Technical Field The invention relates to a safety power utilization switch, in particular to a high-safety small isolating switch. Background A small isolating switch is a safety control switch for a low voltage circuit. The traditional small isolating switch generally adopts an electromagnetic trip type structure, the working principle is that the magnetic field force generated by an electromagnetic coil is utilized to drive an iron core and a trip component to act by utilizing fault current, thereby realizing the breaking of the switch, the mode is that the current in a circuit is directly connected into the electromagnetic coil to realize the safety control of the circuit, however, in the actual use process, in the whole power utilization network at the rear end, a problem of power utilization of partial power utilization equipment may exist, and at this time, a corresponding power utilization control switch needs to be additionally configured to ensure safe power utilization, so that the limitation of the function of the traditional isolating switch is relatively large, and the number and configuration of the switches are relatively complex. Disclosure of Invention In view of the shortcomings of the background art, the technical problem to be solved by the present invention is to provide a high-safety small-sized isolating switch for solving the above problems. For this purpose, the invention is realized by adopting the following scheme: The utility model provides a small-size isolator of high security, includes the shell body, be provided with first binding post and second binding post on the shell body, be provided with the switch handle on the shell body, the switch handle is connected its characterized in that with electromagnetic trip subassembly: the electromagnetic tripping device comprises an electromagnetic tripping component, a first wiring terminal, a second wiring terminal, a control system and a control system, wherein the first wiring terminal is electrically connected with the static contact, the electromagnetic tripping component is provided with a moving contact which can be contacted with the static contact, the inside of the outer shell is further provided with a fusing component, the moving contact is electrically connected with the fusing component, the fusing component is electrically connected with the second wiring terminal, the control system is used for receiving monitoring signals of electrical components in a circuit, and if the control system analyzes the monitoring signals abnormally, the control system supplies current to an electromagnetic coil of the electromagnetic tripping component and drives the tripping component to act so as to realize the disconnection of the moving contact and the static contact. The mounting seat is arranged corresponding to the fusing component, and a lamp panel electrically connected with the fusing component is arranged in the mounting seat. And arc extinguishing plates which are arranged in an array manner are arranged at the positions close to the fixed contact and the moving contact. The movable piece of the electromagnetic tripping assembly is connected with one end of the transmission piece, the other end of the transmission piece is connected with the movable piece, the movable piece is slidably arranged in the outer shell, a contact sensor is arranged on one side of the movable piece, and the movable piece can press a contact button of the contact sensor. According to the technical scheme, the fusing component is integrated into the electromagnetic trip type miniature circuit breaker, the fusing component is utilized to realize the current overload, short circuit and other disconnection control of the isolating switch, the control system is configured to receive the monitoring signals of the electrical components in the circuit, if the control system analyzes that the monitoring signals are abnormal, the control system supplies current to the electromagnetic coil of the electromagnetic trip component and drives the trip component to act so as to realize the disconnection of the movable contact and the static contact, the remote signal type control switching-off of the electromagnetic trip component is realized, and the use safety, flexibility and practicability of the miniature isolating switch can be greatly improved. Drawings The invention has the following drawings: FIG. 1 is an external construction diagram of the present invention; FIG. 2 is a view from another perspective of FIG. 1; FIG. 3 is an internal block diagram of the present invention; fig. 4 is a view from another perspective of fig. 3. Detailed Description As shown in the figure, the high-safety small-sized isolating switch disclosed by the invention comprises an outer shell 3, wherein a first wiring terminal 4 and a second wiring terminal 2 are arranged on the outer shell 3, a switch handle 1 is arranged on the outer shell 3, the swit