CN202308791U - Modularized structure of reversible vacuum contactor for combination switch module - Google Patents

Abstract

A modular structure of a reversible vacuum contactor with a combination switch module, including: a housing, a fixed bracket, a comprehensive protection module, a switching power supply, a high-voltage fuse, a transformer, a relay, a capacitor, an intrinsically safe transformer, a vacuum contactor, and a three-phase current Transformer, zero-sequence current transformer, zero-sequence transformer, three-phase reactor, electromagnet, insulating partition, a handle, a push-pull rod, contacts, characterized in that: the housing is provided with a fixed bracket; the insulating partition Fixed on the inner side of the fixed bracket, the comprehensive protection module, switching power supply, and high-voltage fuse are fixed on the insulating plate; the relay and the intrinsically safe transformer are respectively fixed under the comprehensive protection module; the bottom of the high-voltage fuse is electrically connected to the transformer; the reactor, zero-sequence transformer, The electrical connections of the capacitors are respectively bolted to the bottom plate at the fixed position on the left side of the vacuum contactor from front to back. The modularized structure of the reversible vacuum contactor of the combination switch module described in the utility model has the advantages of simple structure, small volume and convenient maintenance.

Description

Modular Structure of Reversible Vacuum Contactor of Combined Switch Module

technical field

The utility model relates to a modular structure of a combined switch module, in particular to a modular structure of a reversible vacuum contactor of the combined switch module.

Background technique

With the high-yield and high-efficiency development direction of the coal industry, the combination switch is more and more widely used in the coal industry. At present, most of the combination switches in the domestic market are integrated assemblies. The coal mine equipment is poor and the efficiency is low, which is not suitable for the healthy development of the coal industry. At the same time, it is inconvenient to install and maintain. After it is put into use in the coal mine, the long inspection and maintenance time will directly affect the production efficiency of the coal mine. The utility model provides a modularized structure of a combination switch module aiming at the above problems.

Contents of the invention

The utility model aims to solve the technical defects of the existing combination switch, and provides a modular structure of the combination switch module, which integrates an electric control device and a reversible vacuum contactor, has a simple structure, complete functions and convenient maintenance.

The reversible vacuum contactor modular structure of the combination switch module described in the utility model includes: a housing, a fixed bracket, a comprehensive protection module, a switching power supply, a high-voltage fuse, a transformer, a relay, a capacitor, an intrinsically safe transformer, and a vacuum contactor , three-phase current transformers, zero-sequence current transformers, zero-sequence transformers, three-phase reactors, electromagnets, insulating partitions, a handle, a push-pull rod, and contacts, which are characterized in that: there are fixed brackets in the housing ; The insulation partition is fixed on the inner side of the fixed bracket, and the comprehensive protection module, switching power supply, and high-voltage fuse are fixed on the insulation board; the relay and the intrinsically safe transformer are respectively fixed under the comprehensive protection module; the bottom of the high-voltage fuse is electrically connected to the transformer, and the transformer is connected to the capacitor. Fixed side by side on the fixed position of the base; the vacuum contactor electrically connected with the high-voltage fuse is installed on the left side of the insulating plate; the busbar of the vacuum contactor is connected to the three-phase current transformer and the zero-sequence current transformer; The transformer is connected, and the reactor, zero-sequence transformer, and capacitor are electrically connected to the bottom plate at the fixed position on the left side of the vacuum contactor with bolts from front to back, and are electrically connected to the comprehensive protection module; the electromagnet is fixed on the rear side plate of the housing On the bracket on the right, the bottom is connected with the contacts.

The reversible vacuum contactor modular structure of the combination switch module described in the utility model has a simple structure and a small volume. For the inspection and maintenance of the combination switch in the actual production process of the coal mine, because of the simplified assembly procedure, the combination can be easily and quickly The switch module is detached or replaced in the combination switch, which shortens the inspection and maintenance time and improves the installation efficiency. At the same time, it is easy to carry, simplifies cable connection, reduces the footprint of electrical equipment, and facilitates maintenance.

Description of drawings

Figure 1 is the front view of the modular structure of the reversible vacuum contactor of the combined switch module

Figure 2 is a top view of the modularized structure of the reversible vacuum contactor of the combined switch module

Figure 3 is the right view of the modularized structure of the reversible vacuum contactor of the combination switch module

Detailed ways

The utility model will be further elaborated below in conjunction with the accompanying drawings.

The reversible vacuum contactor modular structure of the combination switch module described in the utility model mainly includes: a housing 1, a fixed bracket 2, a comprehensive protection module 3, a switching power supply 4, a high-voltage fuse 5, a transformer 6, and a relay 7 , capacitors 8, 9, intrinsically safe transformer 10, vacuum contactor 11, three-phase current transformer 12, zero-sequence current transformer 13, zero-sequence transformer 14, three-phase reactor 15, electromagnet 16, insulating partition 17, A handle 18, a push-pull rod 19, and contacts 20 are characterized in that: the housing 1 is provided with a fixed bracket 2; the insulating partition 17 is fixed inside the fixed bracket 2, and the integrated protection module 3, switching power supply 4, and high-voltage fuse The device 5 is fixed on the insulating plate 17; the relay 7 and the intrinsically safe transformer 10 are respectively fixed under the comprehensive protection module 3; the bottom of the high-voltage fuse 5 is electrically connected with the transformer 6, and the transformer 6 and the capacitor 8 are fixed on the fixed position of the base side by side; The vacuum contactor 11 electrically connected to the fuse is installed on the left side of the insulating plate 17; the bus bar of the vacuum contactor 11 is connected to the three-phase current transformer 12 and the zero-sequence current transformer 13; the zero-sequence current transformer 13 is connected to the zero-sequence transformer 14, Reactor 15, zero-sequence transformer 14, and capacitor 9 are electrically connected from front to back with bolts respectively on the bottom plate at the fixed position on the left side of vacuum contactor 11, and are electrically connected with comprehensive protection module 3; electromagnet 16 is fixed on the housing 1 On the bracket on the right side of the rear side plate, the bottom is connected with the contact 20.

As can be seen from Fig. 1, Fig. 2 and Fig. 3, the housing 1 is provided with a fixed bracket 2, the upper and lower bases of the housing 1 and the fixed bracket 2 are provided with fixing screw holes, the rear side plate of the housing 1 is an insulating plate, and a Incoming wire terminal, outgoing wire terminal. First fix the insulating partition 17 on the inner side of the fixing bracket 2 with bolts. There are fixing screw holes and threading holes on the insulating plate 17, and then use bolts to fix the comprehensive protection module 3, switching power supply 4, and high-voltage fuse 5 on the insulating plate 17 in sequence. The top and the bottom of the integrated protection module 3 are respectively fixed and electrically connected to two relays 7 and an intrinsically safe transformer 10, the bottom of the high-voltage fuse 5 is electrically connected to the transformer 6, and the transformer 6 and the capacitor 8 are fixed side by side on the fixed position of the base (as shown in Figure 2 ), and then install the vacuum contactor 11 electrically connected to the high-voltage fuse in the fixing screw hole on the left side of the insulating plate 17, and evenly fix it on the upper and lower bases with four bolts on the upper and lower sides, and the bus bar on one side of the vacuum contactor 11 passes through three The phase current transformer 12 is connected with the incoming line terminal on the left insulating plate, and the bus bar on the other side passes through the zero-sequence current transformer 13 and connected with the outgoing line terminal as a whole, and the zero-sequence current transformer 13 is connected with the zero-sequence transformer 14 , the reactor 15, the zero-sequence transformer 14, and the capacitor 9 are electrically connected from front to back and fixed on the bottom plate at the fixed position on the left side of the vacuum contactor 11 with bolts respectively, and are electrically connected with the feed protection module 3, and the electromagnet 16 is fixed on On the bracket on the right side of the rear side plate of the housing, the lower part is connected with the contact 20, and is attracted to the bottom plate of the combination switch after power-on to prevent the module from moving. Then the push-pull rod 19 is fixed on the bracket with a bolt to fix the screw hole position, which is convenient for the push-pull of the module. Finally, the handle 18 is fixed in the middle of the upper base plate to facilitate the handling of the module. The modular structure of the combination switch module of the present invention is formed by the above.

Claims (1)

1. A reversible vacuum contactor modular structure of a combination switch module, which mainly includes: housing (1), fixed bracket (2), comprehensive protection module (3), switching power supply (4), high-voltage fuse ( 5), transformer (6), relay (7), capacitor (8, 9), intrinsically safe transformer (10), vacuum contactor (11), three-phase current transformer (12), zero-sequence current transformer (13 ), zero-sequence transformer (14), three-phase reactor (15), electromagnet (16), insulating partition (17), a handle (18), a push-pull rod (19), contacts (20), It is characterized in that: the casing (1) is provided with a fixed bracket (2); the insulating partition (17) is fixed inside the fixed bracket (2), and the comprehensive protection module (3), switching power supply (4), high-voltage fuse ( 5) fixed on the insulating plate (17); the relay (7) and the intrinsically safe transformer (10) are respectively fixed under the integrated protection module (3); the lower part of the high-voltage fuse (5) is electrically connected with the transformer (6), and the transformer (6) ) and the capacitor (8) are fixed side by side on the fixed position of the base; the vacuum contactor (11) electrically connected with the high-voltage fuse is installed on the left side of the insulating plate (17); the vacuum contactor (11) busbar is connected to the three-phase current transformer (12), zero-sequence current transformer (13); zero-sequence current transformer (13) links to each other with zero-sequence transformer (14), and reactor (15), zero-sequence transformer (14), capacitor (9) are electrically connected by They are bolted from front to back on the bottom plate at the fixed position on the left side of the vacuum contactor (11), and are electrically connected to the comprehensive protection module (3); the electromagnet (16) is fixed on the right side of the rear side plate of the housing (1). On the support, the bottom is connected with the contact (20).

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