CN216849695U

CN216849695U - Dual-power automatic transfer switch

Info

Publication number: CN216849695U
Application number: CN202220414698.1U
Authority: CN
Inventors: 钟源
Original assignee: Hangzhou Chengxiang Electric Co ltd
Current assignee: Hangzhou Chengxiang Electric Co ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-06-28
Anticipated expiration: 2032-02-28

Abstract

The utility model relates to a dual supply automatic transfer switch, include from last to first module seat, first module lid, second module seat, second module lid and the pull rod lid that sets gradually down, the both sides of pull rod lid are provided with support piece, connect gradually down from last through the connecting axle between first module seat, first module lid, support piece, second module seat, the second module lid, the upper end of connecting axle is provided with the compact heap, the compact heap is located first module seat top position, wherein is located the lower extreme of the left connecting axle of second module lid is connected with the base, the base supports the second module lid, the connecting axle lower extreme on second module lid right side is fixed on the motor cabinet. The utility model discloses a mode of connecting axle realizes being connected between a plurality of seats, the lid, convenient operation, and convenient assembling has effectually reduced the time cost and the assembly degree of difficulty.

Description

Dual-power automatic transfer switch

Technical Field

The utility model relates to a dual supply automatic transfer switch belongs to the transfer switch field.

Background

The dual-power switch is used for avoiding the power supply with the fault to the load when the common power supply fails in the power supply system, and automatically selecting the qualified power supply to be put into normal operation so as to ensure uninterrupted power supply. It is generally composed of a switching device and two circuit breakers connected to the power supply.

The dual-power switch is divided into a CB level dual-power switch and a PC level dual-power switch, the CB level dual-power switch is composed of a conversion device and two circuit breakers, the conversion device controls the switching states of the two circuit breakers under the control of the single chip microcomputer, and the CB level dual-power switch uses two independent circuit breakers, so that the CB level dual-power switch is large in size and slow in conversion speed and is usually about 1-2 s. The PC-level dual-power switch uses a motor to drive a plurality of moving contacts in a contact system to rotate simultaneously through a rotating shaft, and then an access power supply is switched between a common power supply and a standby power supply.

And the contact system all sets up in corresponding shell, then realizes connecting through bolt screw's mode, and this just leads to the dismouting inconvenient, is unfavorable for the assembly.

Disclosure of Invention

An object of the utility model is to provide a dual supply automatic transfer switch realizes the connection between a plurality of seats, the lid through the mode of connecting axle, convenient operation, and convenient assembling has effectually reduced the time cost and the assembly degree of difficulty.

In order to achieve the above object, the present invention provides a dual power automatic transfer switch, which comprises a first module seat, a first module cover, a second module seat, a second module cover and a pull rod cover, which are sequentially arranged from top to bottom, wherein a common contact set is arranged between the first module seat and the first module cover, a spare contact set is arranged between the second module seat and the second module cover, support members are arranged on two sides of the pull rod cover, the first module seat, the first module cover, the support members, the second module seat and the second module cover are sequentially connected through a connecting shaft from top to bottom, a pressing block is arranged at the upper end of the connecting shaft, the pressing block is located above the first module seat, wherein the lower end of the connecting shaft located on the left side of the second module cover is connected with a base, the base supports the second module cover, and the lower end of the connecting shaft on the right side of the second module cover is fixed on the motor base.

The utility model discloses further set up, the contact is used commonly is including being located first contact and second contact, reserve contact includes third contact and fourth contact, first contact and third contact are located and distribute about same one side is, second contact and fourth contact are located same one side, just the shaping of bending to the fourth contact position is gone into to the second contact, second contact and fourth contact pass through bolted connection, just the second contact is located dual supply automatic transfer switch outside.

The utility model discloses further set up, the connecting axle is provided with four, and two liang of a set of settings are in corresponding position.

The utility model has the advantages that: the utility model discloses in the middle of first module seat, first module cover, support piece, second module seat, second module cover carries out fixed connection through the connecting axle, only need set up the through-hole in corresponding position, then pass the connecting axle in proper order, just can realize first module seat, first module cover, support piece, second module seat, fixed connection between the second module cover, then rethread compression block realizes further compressing tightly and to the connection of connecting axle, wherein the end of connecting axle is connected with base and motor cabinet respectively, wherein compression block and connecting axle are fixed connection.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a perspective view of an embodiment of the present invention.

Fig. 2 is a top view of an embodiment of the present invention.

Fig. 3 is a cross-sectional view at C-C in fig. 2.

Fig. 4 is a cross-sectional view taken at D-D in fig. 2.

Reference numeral, 10, a first module station; 20. a first module cover; 30. a second module mount; 40. a second module cover; 50. a pull rod cover; 60. a support member; 70. a compression block; 80. a base; 90. a motor base; 100. a connecting shaft; 110. a first contact; 120. a second contact; 130. a third contact; 140. a fourth contact;

Detailed Description

Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

As shown in fig. 1-4, the present invention relates to a dual power automatic transfer switch, which comprises a first module base 10, a first module cover 20, a second module base 30, a second module cover 40 and a pull rod cover 50, which are sequentially arranged from top to bottom, wherein a common contact set is arranged between the first module base 10 and the first module cover 20, a spare contact set is arranged between the second module base 30 and the second module cover 40, support members 60 are arranged on both sides of the pull rod cover 50, the first module base 10, the first module cover 20, the support members 60, the second module base 30 and the second module cover 40 are sequentially connected from top to bottom through a connecting shaft 100, a pressing block 70 is arranged on the upper end of the connecting shaft 100, the pressing block 70 is located above the first module base 10, wherein the lower end of the left side 100 of the second module cover 40 is connected to a base 80, the base 80 supports the second module cover 40, and the lower end of the connecting shaft 100 on the right side of the second module cover 40 is fixed on the motor base 90.

The common contacts comprise a first contact 110 and a second contact 120, the spare contacts comprise a third contact 130 and a fourth contact 140, the first contact 110 and the third contact 130 are located on the same side and distributed up and down, the second contact 120 and the fourth contact 140 are located on the same side, the second contact 120 is bent to the fourth contact 140, the second contact 120 is connected with the fourth contact 140 through bolts, and the second contact 120 is located outside the dual-power automatic transfer switch.

The number of the connecting shafts 100 is four, and every two connecting shafts are arranged at corresponding positions in a group.

The utility model has the advantages that: the utility model discloses in the middle of first module seat 10, first module cover 20, support piece 60, second module seat 30, second module cover 40 carries out fixed connection through connecting axle 100, only need set up the through-hole in corresponding position, then pass connecting axle 100 in proper order through, just can realize first module seat 10, first module cover 20, support piece 60, second module seat 30, fixed connection between second module cover 40, then rethread compressing block 70 realizes further compressing tightly and to connecting axle 100's connection, wherein the end of connecting axle 100 is connected with base 80 and motor cabinet 90 respectively, wherein compressing block 70 and connecting axle 100 are fixed connection.

As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, that a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect.

It is noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of additional like elements in the article of commerce or system in which the element is comprised.

While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. A dual-power automatic transfer switch is characterized by comprising a first module seat, a first module cover, a second module seat, a second module cover and a pull rod cover which are sequentially arranged from top to bottom, a common contact group is arranged between the first module seat and the first module cover, a standby contact group is arranged between the second module seat and the second module cover, the two sides of the pull rod cover are provided with supporting pieces, the first module seat, the first module cover, the supporting pieces, the second module seat and the second module cover are sequentially connected from top to bottom through connecting shafts, a pressing block is arranged at the upper end of the connecting shaft and is positioned above the first module seat, the lower end of the connecting shaft positioned on the left side of the second module cover is connected with a base, the base supports the second module cover, and the lower end of the connecting shaft on the right side of the second module cover is fixed on the motor base.

2. The dual-power automatic transfer switch of claim 1, wherein the common contacts comprise a first contact and a second contact, the backup contacts comprise a third contact and a fourth contact, the first contact and the third contact are located on the same side and distributed up and down, the second contact and the fourth contact are located on the same side, the second contact is bent to the fourth contact, the second contact and the fourth contact are connected through a bolt, and the second contact is located outside the dual-power automatic transfer switch.

3. The dual-power automatic transfer switch of claim 2, wherein four connecting shafts are provided, and two connecting shafts are arranged in corresponding positions in a group.