CN213303928U

CN213303928U - Universal change-over switch contact parallel arrangement

Info

Publication number: CN213303928U
Application number: CN202022159883.4U
Authority: CN
Inventors: 张鹏
Original assignee: Gansu Jiu Steel Group Hongxing Iron and Steel Co Ltd
Current assignee: Gansu Jiu Steel Group Hongxing Iron and Steel Co Ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-05-28
Anticipated expiration: 2030-09-27

Abstract

The utility model belongs to the electrical field, and provides a universal change-over switch contact parallel device, which solves the problems that any point of the existing change-over switch fails to be connected, the control loop is out of power and stops under the condition of operation of equipment, and the higher-level interlocking system is in heavy load stop, and the universal change-over switch contact parallel device comprises a universal change-over switch body and a contact extension body, wherein the universal change-over switch body comprises an actuator, a primary contact group and an extension contact group, the contact number of the primary contact group is correspondingly provided with an extension contact number, the contact of the primary contact group and the contact of the extension contact group are connected in parallel by using a terminal short-circuit strip, the universal change-over switch body and the through shaft of the contact extension body are integrally connected, the utility model changes the structural form of the existing universal change-over switch, and connects the contact connected by the switching angle in parallel by using the terminal short-circuit strip after being extended, the major accident caused by the fault of the change-over switch is avoided.

Description

Universal change-over switch contact parallel arrangement

Technical Field

The utility model belongs to the electrical field, concretely relates to reduce omnipotent change over switch contact parallel arrangement of trouble.

Background

In the electric control loop system, because the universal change-over switch is positioned in an operation box beside a field machine, dust, steam and high temperature exist on the field, the running environment of the electric equipment is poor, the universal change-over switch is in the long-term use process, the contact is poor due to impurities such as dust and the like, and the contact is used for a long time, the equipment is shut down due to the loss of power of the control loop after the contact is disconnected, if the automatic control mode is adopted on the field, the superior equipment interlocked with the contact of the change-over switch can be immediately shut down in an interlocking manner after the contact of the change-over switch is broken down, the whole system is a heavy load shutdown, and the motor is started under the heavy load, so that the soft start current is large, the.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a omnipotent change over switch contact parallel arrangement to solve current omnipotent change over switch because the heavy load that the contact trouble leads to shuts down the back, the production is difficult to the problem that resumes in the short time.

In order to achieve the above purpose, the technical scheme of the utility model is that:

the utility model provides a omnipotent change over switch contact parallel arrangement, includes omnipotent change over switch body, omnipotent change over switch body includes former contact group at least, omnipotent change over switch body still includes contact extension body, contact extension body is including extending contact group, the contact quantity of extension contact group has the multiunit, and corresponding with the contact quantity of former contact group, the contact that corresponds in former contact group and the extension contact group uses the terminal short circuit strip that corresponds parallelly connected, contact extension body and omnipotent change over switch body lead to axle body coupling.

Preferably, omnipotent change over switch body still includes actuator, panel frame, actuator and panel frame suit are in proper order on omnipotent change over switch body's lead to epaxially, there is a plurality of gear on the panel frame, and every gear corresponds corresponding conversion angle, and every gear all is equipped with corresponding contact group, when actuator rotated to arbitrary gear, the contact number of former contact group all corresponds the contact number that is equipped with extension contact group.

Preferably, the plurality of gears are respectively an off-machine manual gear, a zero gear and an automatic gear from left to right, the corresponding rotation angle of the off-machine manual gear is 45 degrees of leftward rotation, the corresponding rotation angle of the zero gear is 0 degree, and the corresponding rotation angle of the automatic gear is 45 degrees of rightward rotation.

Preferably, the number of contacts of the original contact set is 4, respectively contacts 3-4, 7-8, 1-2 and 5-6, and the number of contacts of the corresponding extended contact set is 4, respectively contacts 9-10, 13-14, 11-12 and 15-16.

Preferably, the terminal shorting bars have multiple sets, contacts 3-4 are connected in parallel with contacts 11-12 using a first terminal shorting bar, contacts 7-8 are connected in parallel with contacts 15-16 using a second terminal shorting bar, contacts 1-2 are connected in parallel with contacts 9-10 using a third terminal shorting bar, and contacts 13-14 are connected in parallel with contacts 5-6 using a fourth terminal shorting bar.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses change current omnipotent change over switch's structural style, the number of knots with former omnipotent change over switch increases at double, thereby the contact increases at double, corresponding inner structure increases at double, use terminal short circuit strip parallel contact back installation to use, equipment is at the in-process of automatic interlocking operation under this kind of parallel technology, even when the contact breaks down under the conversion angle, and the contact of hookup point does not break down, can not lead to control circuit to lose the electricity and shut down and cause entire system heavy load interlocking to shut down.

Drawings

FIG. 1 is a left side view of the transfer switch of the present invention;

fig. 2 is a top view of the transfer switch structure of the present invention;

FIG. 3 is a right side view of the transfer switch structure of the present invention;

fig. 4 shows a contact point of the present invention.

In the drawings, 1-actuator; 2-converting the angle; 301-contacts; 302-a contact; 4-original contact group; 5-extended contact set; 601-a first terminal shorting bar; 602-second terminal shorting bar; 603-a third terminal shorting bar; 604-a fourth terminal shorting bar; 9-panel frame; 10-through shaft.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following detailed description of the present invention is made in conjunction with the accompanying drawings and the embodiments, it should be understood that the specific embodiments described herein are only used for explaining the present invention, and are not used for limiting the present invention.

Example 1

Referring to fig. 1 and 3, a omnipotent change over switch contact parallel arrangement, including omnipotent change over switch body, omnipotent change over switch body includes former contact group 4 at least, omnipotent change over switch still includes contact extension body, contact extension body includes extension contact group 5, the contact quantity of extension contact group 5 has the multiunit, and corresponding with the contact quantity of former contact group 4, contact 301 of former contact group 4 and the contact 302 that corresponds in the extension contact group 5 use the terminal short circuit strip that corresponds parallelly connected, contact extension body and omnipotent change over switch body lead to axle 10 body coupling, the utility model discloses an increase the extension contact to use the terminal short circuit strip parallelly connected with former contact and extension contact, when arbitrary pair contact breaks down, can not break down with its parallelly connected contact, can effectual reduction omnipotent change over switch's fault rate.

Among the above-mentioned device, first terminal short circuit strip 601 short contact point 3-4 and contact 11-12, fourth terminal short circuit strip 604 short contact point 5-6 and contact 13-14, third terminal short circuit strip 603 short contact point 1-2 and contact 9-10, second terminal short circuit strip 602 short contact point 7-8 and contact 15-16, the utility model discloses an every contact number all has reserve contact number, can increase the extension contact number of nodes according to former contact number of nodes, and uses the terminal short circuit strip to connect in parallel, under this kind of omnipotent change over switch contact parallel technology, above-mentioned device can effectual reduction omnipotent change over switch's fault rate at the in-process of work operation.

Example 2

Referring specifically to fig. 2 and 4, fig. 4 is an electric shock closing meter of the present invention, where x represents on and blank represents off.

On the basis of embodiment 1, the universal transfer switch of the present embodiment further includes an actuator 1 and a panel frame 9, the actuator 1 and the panel frame 9 are sequentially sleeved on a through shaft 10 of the universal transfer switch body, the panel frame 9 on the actuator 1 is provided with a plurality of gears, each gear corresponds to a corresponding conversion angle 2, each gear is provided with a corresponding contact group, and when the actuator 1 rotates to any gear, a contact point number of an original contact group 4 corresponds to a contact point number of an extended contact group 5.

When the conversion angle 2 of the actuator 1 of the universal conversion switch of the embodiment rotates 45 degrees rightwards, the actuator 1 rotates to an automatic gear, and at the moment, the contacts 1-2 and 9-10 are closed; contacts 7-8 and 15-16 are closed.

When the change-over angle 2 of the actuator 1 of the universal change-over switch of the present embodiment is turned 45 ° to the left, the actuator 1 is turned to the side hand gear, the contacts 3-4 and 11-12 are closed, and the contacts 5-6 and 13-14 are closed.

When the change-over angle 2 of the actuator 1 of the universal change-over switch of the present embodiment is rotated by 0 °, the actuator 1 is rotated to the neutral position, and all the contacts are opened.

When the gear of the device is shifted on a nearby manual gear, contacts 3-4, 5-6, 11-12 and 13-14 are closed, contacts 1-2, 7-8, 9-10 and 15-16 are opened, contacts 3-4 and contacts 11-12 are connected in parallel through a first terminal short-circuit strip 601, when any pair of contact groups has a fault, the contacts 3-4 and contacts 11-12 are connected in parallel, and the contacts connected in parallel with the contacts are normal, at the moment, the universal change-over switch cannot have a fault, and the control loop cannot be powered off to stop so as to cause the interlocking stop of the whole heavy load system; the contacts 5-6 and the contacts 13-14 are connected in parallel through a fourth terminal short-circuit strip, when any one pair of contact groups has a fault, the contacts 5-6 and the contacts 13-14 are connected in parallel, and the contacts connected in parallel with the contacts are normal, so that the universal change-over switch cannot have the fault, and the control circuit is not lost to power and shut down, and the heavy-load interlocking shutdown of the whole system cannot be caused.

When the gear of the device is in the zero gear, all the contacts are disconnected.

When the gear of the device is in an automatic gear, the contacts 1-2, 7-8, 9-10 and 15-16 are closed, the contacts 3-4, 5-6, 11-12 and 13-14 are opened, the contacts 1-2 and the contacts 9-10 are connected in parallel through a third terminal short-circuit strip 603, when any pair of contact groups has a fault, the contacts 1-2 and the contacts 9-10 are connected in parallel, the contacts connected in parallel with the contacts are normal, the universal change-over switch cannot have a fault at the moment, the control loop power failure shutdown cannot be caused to cause the heavy load interlocking shutdown of the whole system, the contacts 7-8 and the contacts 15-16 are connected in parallel through a second terminal short-circuit strip 602, when any pair of contact groups has a fault, the contacts 7-8 and the contacts 15-16 are connected in parallel, the contacts connected in parallel with the contacts are normal, at the moment, the universal change-over switch cannot break down, and the control loop is not powered off and stopped, so that the whole system is not stopped in a heavy-load interlocking manner.

The utility model discloses current omnipotent change over switch's structural style has been changed, the line number festival number of former omnipotent change over switch increases at double, the contact increases at double, corresponding inner structure increases at double, the former contact extension back that the conversion angle that will operate the ware put through, form the extension contact group, the contact of former contact group and the contact of extension contact group use the terminal short circuit strip parallelly connected, under this kind of parallel technology, equipment is at the in-process of automatic interlocking operation, even when the contact breaks down in equipment operation, the contact that breaks down and its parallelly connected contact can not break down, can not lead to control return circuit power failure to shut down and cause entire system heavy load interlocking to shut down, can effectual reduction omnipotent change over switch's fault rate.

It is to be understood that the above-described embodiments are illustrative only and not restrictive of the broad invention, and that various other modifications and changes in light thereof will be suggested to persons skilled in the art based upon the above teachings. It is not necessary or necessary to exhaustively enumerate all embodiments herein, and obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. The utility model provides a omnipotent change over switch contact parallel arrangement, includes omnipotent change over switch body, omnipotent change over switch body includes former contact group (4) at least, its characterized in that: the universal change-over switch body further comprises a contact extension body, the contact extension body comprises an extension contact group (5), the number of contacts of the extension contact group (5) is multiple, the number of contacts of the extension contact group (5) is corresponding to that of contacts of an original contact group (4), corresponding contacts (302) in the original contact group (4) and the extension contact group (5) are connected in parallel through corresponding terminal short-circuit strips, and the contact extension body is integrally connected with a through shaft (10) of the universal change-over switch body.

2. A universal transfer switch contact parallel arrangement as claimed in claim 1, wherein: omnipotent change over switch body still includes actuator (1) and panel frame (9), actuator (1) and panel frame (9) suit in proper order on the logical axle (10) of omnipotent change over switch body, there is a plurality of gear on panel frame (9), and every gear corresponds corresponding conversion angle (2), and every gear all corresponds corresponding contact group, when actuator (1) is rotatory to arbitrary gear, the contact number of former contact group (4) all corresponds the contact number that is equipped with extension contact group (5).

3. A universal transfer switch contact parallel arrangement as claimed in claim 2, wherein: a plurality of gears are respectively an beside-machine manual gear, a zero gear and an automatic gear from left to right, the conversion angle (2) corresponding to the beside-machine manual gear is 45 degrees of leftward rotation, the conversion angle (2) corresponding to the zero gear is 0 degree, and the conversion angle (2) corresponding to the automatic gear is 45 degrees of rightward rotation.

4. A universal transfer switch contact parallel arrangement as claimed in claim 1, wherein: the contacts (301) of the original contact set (4) are contacts 3-4, 7-8, 1-2 and 5-6 respectively, and the contacts (302) of the corresponding extended contact set (5) are contacts 9-10, 13-14, 11-12 and 15-16 respectively.

5. A universal transfer switch contact parallel arrangement as claimed in claim 1, wherein: the terminal shorting bars have multiple sets, contacts 3-4 are connected in parallel with contacts 11-12 using a first terminal shorting bar (601), contacts 7-8 are connected in parallel with contacts 15-16 using a second terminal shorting bar (602), contacts 1-2 are connected in parallel with contacts 9-10 using a third terminal shorting bar (603), and contacts 13-14 are connected in parallel with contacts 5-6 using a fourth terminal shorting bar (604).