CN219202973U

CN219202973U - Static contact structure of dual-power transfer switch

Info

Publication number: CN219202973U
Application number: CN202320705492.9U
Authority: CN
Inventors: 张鼎华
Original assignee: Dingnuo Electric Co ltd
Current assignee: Dingnuo Electric Co ltd
Priority date: 2023-04-03
Filing date: 2023-04-03
Publication date: 2023-06-16
Anticipated expiration: 2033-04-03

Abstract

The utility model relates to the technical field of electric switches, in particular to a static contact structure of a dual-power transfer switch, which comprises a first static contact, a second static contact and a connecting plate, wherein the first static contact and the second static contact are connected through the connecting plate, and one side of each of the first static contact and the second static contact is fixedly connected with a contact head. The utility model has the advantages that: through the second screw hole for the connecting plate can realize quick and firm connection through corresponding screw and first static contact, through the jack groove of seting up in second static contact upper surface and set up in the plug block of connecting plate lower surface department, make the connecting plate can be quick and light splice with the second static contact, be connected first static contact and second static contact, when reducing the processing degree of difficulty of static contact, make first static contact and second static contact dismantle the change respectively, when having prolonged its holistic life, avoided the excessive waste of relevant resource.

Description

Static contact structure of dual-power transfer switch

Technical Field

The utility model relates to the technical field of electric switches, in particular to a static contact structure of a dual-power transfer switch.

Background

The utility model provides a dual supply automatic transfer switch, be when the power consumption cuts off the power supply suddenly, through dual supply change-over switch, automatic connection is on the reserve power supply, make our operation be unlikely to stop, still can continue to operate, current automatic transfer switch includes the stationary contact of load end, and the stationary contact and the reserve stationary contact commonly used, wherein the stationary contact of load end is provided with two sets of, one set of sets up outside corresponding casing and is used for connecting the load, another set of sets up in the casing and be connected with the contact of reserve power supply, these two sets of stationary contacts need be connected just can satisfy the switching demand simultaneously, and two sets of stationary contacts are mostly all connected through the structure of bending, but the structure of bending has increased the complexity of processing to a certain extent, and the design of integral type bending structure for when the stationary contact is impaired, need change whole stationary contact, comparatively waste resources.

In this regard, the utility model provides a static contact structure of a dual-power transfer switch, which is solved.

Disclosure of Invention

The object of the present utility model is to solve at least one of the technical drawbacks.

Therefore, an objective of the present utility model is to provide a static contact structure of a dual-power transfer switch, so as to solve the problems mentioned in the background art and overcome the shortcomings in the prior art.

In order to achieve the above object, an embodiment of an aspect of the present utility model provides a static contact structure of a dual-power transfer switch, including a first static contact, a second static contact and a connecting plate, where the first static contact and the second static contact are connected through the connecting plate, and one sides of the first static contact and the second static contact are fixedly connected with a contact head.

By any of the above schemes, preferably, two first threaded holes are formed on one side of each of the first fixed contact and the second fixed contact.

Preferably, in any of the above embodiments, four of the first screw holes are symmetrically arranged

By the above-mentioned scheme preferred, a second screw hole has all been seted up to one side of first stationary contact and connecting plate, two the second screw hole is coaxial to the axle center setting, the upper surface of connecting plate closely pastes with the lower surface of first stationary contact.

By any of the above schemes, preferably, an insertion groove is formed on the upper surface of the second stationary contact, and one side of the connecting plate is inserted into the insertion groove.

By the above-mentioned scheme preferred, the lower surface fixedly connected with of connecting plate inserts the piece, the shape and the size of inserting the piece and all being fit with the shape and the size of grafting groove, the surface of inserting the piece is pegged graft in the inside of grafting groove.

The technical effect achieved by adopting the scheme is as follows: through the cooperation setting of second screw hole and plug-in block for the connecting plate can be fast and inseparable with the surface of first stationary contact and second stationary contact be connected, thereby connect it as a whole.

The embodiment of the other aspect of the utility model provides a static contact structure of a dual-power transfer switch, wherein one side of each of the first static contact and the second static contact is provided with a T-shaped groove, two sides of each connecting plate are fixedly connected with a connecting block, the two connecting blocks are symmetrically arranged on the upper surface and the lower surface of each connecting plate, and the outer surfaces of the two connecting blocks are respectively inserted into the two T-shaped grooves.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

through the second screw hole of seting up in first static contact and connecting plate one side for the connecting plate can realize quick and firm connection through corresponding screw and first static contact, through seting up in the jack groove of second static contact upper surface and set up the grafting piece in connecting plate lower surface department, make the connecting plate can splice with the second static contact fast and light, thereby connect first static contact and second static contact, when reducing the processing degree of difficulty of static contact, make first static contact and second static contact dismantle the change respectively, thereby when having prolonged its holistic life, avoided the excessive waste of relevant resource.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic diagram of an overall structure according to an embodiment of the present utility model;

FIG. 2 is a schematic illustration of a cut-away view of an overall structure according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a connecting plate according to an embodiment of the present utility model;

FIG. 4 is a schematic view of the overall structure of another embodiment according to the present utility model;

fig. 5 is a schematic view of a connection board structure according to another embodiment of the utility model.

In the figure: the device comprises a first fixed contact, a second fixed contact, a 3-connecting plate, a 4-contact, a 5-first threaded hole, a 6-second threaded hole, a 7-inserting groove, an 8-inserting block and a 9-connecting block.

Detailed Description

Embodiment one: as shown in fig. 1 to 3, a static contact structure of a dual power transfer switch comprises a first static contact 1, a second static contact 2 and a connecting plate 3, wherein the first static contact 1 and the second static contact 2 are connected through the connecting plate 3, one sides of the first static contact 1 and the second static contact 2 are fixedly connected with a contact head 4, the first static contact 1, the second static contact 2 and the connecting plate 3 are made of alloy materials doped with silver, the conductivity of the alloy materials is ensured, the alloy materials are tougher and durable, the first static contact 1 and the second static contact 2 are connected into a whole through the connecting plate 3, the first static contact is used for being connected with a static contact of a standby power end, and the second static contact 2 is used for being connected with a load.

Two first threaded holes 5 are formed in one side of each of the first fixed contact 1 and the second fixed contact 2.

Four first screw holes 5 are the symmetry setting, through the existence of the first screw hole 5 of seting up in first static contact 1 and second static contact 2 one side for first static contact 1 and second static contact 2 can be connected through corresponding screw and automatic transfer switch's inner structure, thereby when making its connection comparatively firm, more conveniently dismantle and change it.

A second threaded hole 6 is formed in one side of each of the first fixed contact 1 and the connecting plate 3, the two second threaded holes 6 are arranged coaxially, the upper surface of the connecting plate 3 is closely attached to the lower surface of the first fixed contact 1, and an attaching plate with an attaching surface is fixedly connected to the connecting position of the connecting plate 3 and the first fixed contact 1, so that the contact surface of the connecting plate and the first fixed contact 1 is wider, the conductive cross section is larger, meanwhile, the connection between the connecting plate and the fixed contact 1 is firmer, and an attaching plate is also arranged at the connecting position of the connecting plate and the second fixed contact 2.

An inserting groove 7 is formed in the upper surface of the second fixed contact 2, and one side of the connecting plate 3 is inserted into the inserting groove 7.

The lower fixed surface of connecting plate 3 is connected with a plug 8, and plug 8's shape and size all with the shape and the size looks adaptation of jack groove 7, plug 8's surface peg graft in the inside of jack groove 7, exist through jack groove 7 and plug 8 for connecting plate 3 can be connected with second stationary contact 2 fast through inserting plug 8 into the inside of jack groove 7, also make it dismantle and change light convenient more when conveniently splice it.

Embodiment two: as shown in fig. 4 to 5, an embodiment of another aspect of the present utility model provides a static contact structure of a dual power transfer switch, one side of a first static contact 1 and one side of a second static contact 2 are provided with a T-shaped slot, two sides of a connecting plate 3 are fixedly connected with a connecting block 9, two connecting blocks 9 are symmetrically arranged on the upper surface and the lower surface of the connecting plate 3, the outer surfaces of the two connecting blocks 9 are respectively inserted into the interiors of the two T-shaped slots, and the shape and the size of the connecting block 9 are matched with the shape and the size of the T-shaped slot, so that the connecting plate 3 can move in the interiors of the T-shaped slots by pushing the connecting block 9, thereby achieving the purpose of quickly splicing and dismantling the first static contact 1 and the second static contact 2.

A static contact structure of a dual-power transfer switch has the following working principle:

1) The first fixed contact 1 and the second fixed contact 2 are connected with the transfer switch body in a mounting way through inserting corresponding screws into first threaded holes formed in the positions of the first fixed contact 1 and the second fixed contact 2, the second fixed contact 2 is connected with an external load, the contact heads 4 arranged on one sides of the first fixed contact 1 and the second fixed contact 2 are convenient to connect with moving contacts in the transfer switch, the first fixed contact 1 is convenient to connect with fixed contacts of a standby power supply end, the connecting plate 3 is connected with the first fixed contact 1 through inserting corresponding screws into second threaded holes 6 formed in the positions of the first fixed contact 1 and the connecting plate 3, and the connecting plate 3 is spliced with the second fixed contact 2 through inserting a splicing block 8 arranged at the bottom of the connecting plate 3 into an inserting groove 7, so that the first fixed contact 1 and the second fixed contact 2 are connected;

2) The connecting plate 3 is connected with the first fixed contact 2 by pushing the connecting block 9 arranged on the upper surface of the connecting plate 3 into the T-shaped groove formed in the lower surface of the first fixed contact 1, the second fixed contact 2 is connected with the connecting plate 3 by pushing the connecting block 9 arranged on the lower surface of the connecting plate 3 into the T-shaped groove formed in the upper surface of the second fixed contact 2, so that the first fixed contact 1 and the second fixed contact 2 can be connected into a whole through the connecting plate 3, and corresponding screws are inserted into the first threaded hole 5 by wiping, so that the first fixed contact 1 and the second fixed contact 2 are connected with an automatic transfer switch.

Compared with the prior art, the utility model has the following beneficial effects compared with the prior art:

through the second screw hole 6 of opening in first static contact 1 and connecting plate 3 one side for connecting plate 3 can realize quick and firm connection through corresponding screw and first static contact 1, through opening in the grafting groove 7 of second static contact 2 upper surface and set up in the grafting piece 8 of connecting plate 3 lower surface department, make connecting plate 3 can splice with second static contact 2 fast and light, thereby connect first static contact 1 and second static contact, when reducing the processing degree of difficulty of static contact, make first static contact 1 and second static contact 2 dismantle the change respectively, thereby avoid the excessive waste of relevant resource when having prolonged its holistic life.

Claims

1. The utility model provides a dual power change-over switch's stationary contact structure which characterized in that: the novel high-voltage power supply device comprises a first fixed contact (1), a second fixed contact (2) and a connecting plate (3), wherein the first fixed contact (1) and the second fixed contact (2) are connected through the connecting plate (3), and one sides of the first fixed contact (1) and the second fixed contact (2) are fixedly connected with a contact head (4).

2. The stationary contact structure of a dual power transfer switch of claim 1, wherein: two first threaded holes (5) are formed in one side of each of the first fixed contact (1) and the second fixed contact (2).

3. The stationary contact structure of a dual power transfer switch of claim 2, wherein: the four first threaded holes (5) are symmetrically arranged.

4. A stationary contact structure of a dual power transfer switch as claimed in claim 3, wherein: one side of the first fixed contact (1) and one side of the connecting plate (3) are respectively provided with a second threaded hole (6), the two second threaded holes (6) are coaxially arranged, and the upper surface of the connecting plate (3) is closely attached to the lower surface of the first fixed contact (1).

5. The stationary contact structure of a dual power transfer switch of claim 4, wherein: an inserting groove (7) is formed in the upper surface of the second fixed contact (2), and one side of the connecting plate (3) is inserted into the inserting groove (7).

6. The stationary contact structure of a dual power transfer switch of claim 5, wherein: the lower surface of connecting plate (3) fixedly connected with grafting piece (8), the shape and the size of grafting piece (8) all with the shape and the size looks adaptation of grafting groove (7), the surface grafting of grafting piece (8) is in the inside of grafting groove (7).