CN219873204U

CN219873204U - Dual-power transfer switch

Info

Publication number: CN219873204U
Application number: CN202321366299.3U
Authority: CN
Inventors: 叶金飞; 蔡明明; 郑玖贤
Original assignee: One Two Three Electric Co ltd
Current assignee: One Two Three Electric Co ltd
Priority date: 2023-05-31
Filing date: 2023-05-31
Publication date: 2023-10-20
Anticipated expiration: 2033-05-31

Abstract

The utility model discloses a dual-power transfer switch, which relates to the technical field of transfer switches and comprises a shell, wherein a control main shaft is rotationally arranged in the shell, auxiliary switches are arranged on two sides of the control main shaft and used for controlling an exciting coil to be powered off, a sliding block is arranged on the control main shaft, and movable auxiliary contacts are arranged on two sides of the sliding block and used for connecting the auxiliary switches. According to the dual-power transfer switch, the sliding of the two auxiliary contacts is controlled through the rotation of the sliding block, so that the auxiliary contacts are connected with the auxiliary switch, damage to the auxiliary contacts is avoided, the sliding block is stable in movement of the auxiliary contacts, the transmission process is short, the internal structure is simple, the transmission effect is good, the auxiliary contacts are ensured to be connected stably, the use reliability of the switch is improved, and the dual-power transfer switch is convenient to use.

Description

Dual-power transfer switch

Technical Field

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

Background

The double-power change-over switch is used for one path of common power and one path of standby power, and when the common power suddenly fails or fails, the double-power change-over switch is automatically switched on the standby power, so that the equipment can still normally operate. The most common backup power source is a battery pack.

In the prior art, the application number is as follows: the name disclosed in CN201320666180.8 is: the transmission mechanism of the dual-power automatic transfer switch and the dual-power automatic transfer switch are characterized in that the cross section of an output shaft of a motor is changed into a non-circular shape, and the inner hole surface of a shaft sleeve is also non-circular, so that the inner hole surface can be automatically blocked when the output shaft rotates, the shaft sleeve is obtained to rotate, the output shaft and the inner hole surface do not need to be accurately aligned, a shaft pin is cancelled between the output shaft and the shaft sleeve, and the shaft sleeve is directly driven by the output shaft.

However, in the prior art, the application number is as follows: the transfer switch mentioned in CN201320666180.8, when the transmission mechanism performs transfer transmission, the terminal will be damaged, after long-term use, the terminal will be broken, the operation cannot be performed, and the process of disassembling and repairing the terminal for power connection is troublesome, and the maintenance cost is high.

Disclosure of Invention

The utility model aims to provide a dual-power transfer switch so as to solve the problems in the prior art.

The aim of the utility model can be achieved by the following technical scheme:

the utility model provides a dual power change-over switch, change-over switch includes the casing, the casing rotation is equipped with control main shaft, and control main shaft's both sides are provided with auxiliary switch, and auxiliary switch is used for controlling excitation coil outage, is provided with the slider on the control main shaft, and the both sides of slider are provided with mobilizable auxiliary contact, control excitation coil outage.

Preferably, the mounting grooves are formed in the shell and located on two sides of the control main shaft, the auxiliary switch is arranged in the mounting grooves, a fixing groove is formed between the mounting grooves and the control main shaft, and a plurality of wiring grooves are formed in the shell.

Preferably, one end of the control main shaft is rotationally connected with the shell, the other end of the control main shaft is fixedly provided with a connecting pipe, a sliding block is fixedly arranged on the connecting pipe, the sliding block is of an arc-shaped structure, and a driving handle is fixedly arranged on the sliding block.

Preferably, a connecting groove is formed in one side of the auxiliary switch, a push rod is movably arranged in the fixing groove, a bump is arranged at one end of the push rod, an auxiliary contact is arranged at the other end of the push rod, and the push rod slides in the fixing groove.

Preferably, the auxiliary contact is arranged in the connecting groove and is used for connecting an auxiliary switch.

Preferably, the lug is matched with a sliding block, and the sliding block rotates along with the control main shaft to control the lug to move.

Preferably, the control main shaft is symmetrically provided with a supporting rod, the supporting rod is fixedly provided with a connecting shaft, one side, which is positioned on the supporting rod, of the shell is fixedly provided with a U-shaped block, the U-shaped block is symmetrically provided with a sliding groove, a movable shaft is arranged in the sliding groove in a sliding manner, the movable shaft is connected with a connecting rod, the connecting rod is clamped with the connecting shaft, a spring is fixedly arranged in the U-shaped block, and energy storage of the spring is used for driving the movable shaft to move in the sliding groove.

The utility model has the beneficial effects that:

1. according to the dual-power transfer switch, the sliding translation of the two auxiliary contacts is controlled through the rotation of the sliding block, so that the auxiliary contacts are connected with the auxiliary switch, the auxiliary contacts are not damaged, the sliding block is stable in movement of the auxiliary contacts, and the transmission process is short;

2. the dual-power transfer switch has the advantages of simple internal structure, good transmission effect, stable connection of auxiliary contacts, improvement of the use reliability of the switch and convenient use.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic diagram of a transfer switch of the present utility model;

FIG. 2 is a cross-sectional view of the transfer switch of the present utility model;

FIG. 3 is a schematic diagram of a transfer switch according to the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3A according to the present utility model;

fig. 5 is a schematic view of the structure of the control spindle of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in FIG. 1, the dual-power transfer switch comprises a shell 1, a control main shaft 2 is rotationally arranged in the shell 1, mounting grooves 11 are formed in two sides of the control main shaft 2, an auxiliary switch 3 is arranged in the mounting grooves 11, the control main shaft 2 moves to control two auxiliary contacts to slide and translate, the auxiliary contacts are connected with the auxiliary switch 3, and after dual-power switching operation, the auxiliary switch 3 is triggered to obtain signal feedback excitation power failure, so that the control main shaft 2 stops moving.

As shown in fig. 1, 2, 3 and 4, one end of the control main shaft 2 is rotatably connected with the housing 1, the other end is fixedly provided with a connecting pipe 21, a sliding block 22 is fixedly arranged on the connecting pipe 21, the sliding block 22 is in an arc structure, a driving handle 23 is fixedly arranged on the sliding block 22, one side of the auxiliary switch 3 is provided with a connecting groove 31, and an auxiliary contact 32 is arranged in the connecting groove 31.

The fixed slot 12 is arranged in the shell 1 and positioned on two sides of the control main shaft 2, the fixed slot 12 is communicated with the mounting slot 11, a plurality of wiring slots 13 are arranged on the shell 1, a push rod 33 is movably arranged in the fixed slot 12, one end of the push rod 33 is provided with a bump 34, the other end of the push rod 33 is fixedly connected with the auxiliary contact 32, the push rod 33 slides in the fixed slot 12, the auxiliary contact 32 is controlled to be connected with the connecting slot 31 of the auxiliary switch 3, and the exciting coil is controlled to be powered off.

The bump 34 is abutted against the slider 22, the rotation control spindle 2 controls the slider 22 to rotate, and after one end of the slider 22 contacts with one bump 34, the bump 34 is pushed to move toward the connecting groove 31 of one auxiliary switch 3, and at this time, the other bump 34 slides down from the other end of the slider 22 to be separated from the other auxiliary switch 3.

The control main shaft 2 is provided with symmetrically distributed supporting rods 24, the supporting rods 24 are fixedly provided with connecting shafts 25, one side, which is positioned on the supporting rods 24, of the shell 1 is fixedly provided with U-shaped blocks 14, symmetrically distributed sliding grooves 15 are formed in the U-shaped blocks 14, movable connecting rods 16 are arranged in the U-shaped blocks 14, one ends of the connecting rods 16 are fixedly provided with movable shafts 17, the other ends of the connecting rods are clamped with the connecting shafts 25, the connecting rods 16 are in sliding connection with the sliding grooves 15 through the movable shafts 17, one side of each movable shaft 17 is provided with a spring 18, one end of each spring 18 is fixedly connected with the corresponding U-shaped block 14, and the other ends of the springs 18 are in butt joint with the movable shafts 17.

The stroke of the control main shaft 2 is divided into two sections, the first half section moves through an electromagnet coil, when the driving handle 23 moves to a dead point along with the control main shaft 2, the spring 18 compresses and stores energy in the first half section process, the second half section pushes the movable shaft 17 through the spring 18, the movable shaft 17 moves in the chute 15, the control main shaft 2 is driven to complete the second half section stroke by utilizing the elasticity released by compression of the spring 18, the opening and closing speed is improved, and the design of the spring 18 connecting rod 16, the movable shaft 17 and the chute 15 enables the control main shaft 2 to stably rotate to pass the dead point, so that opening and closing operations are rapidly completed.

When in use, the working principle of the dual-power transfer switch is as follows:

the main shaft 2 is driven by excitation, so that the main shaft 2 is controlled to rotate to drive the sliding block 22, the auxiliary contact 32 triggers the auxiliary switch to cut off power for assistance, the sliding block 22 gives the auxiliary contact 32 a horizontal force, the auxiliary contact 32 is not easy to damage, after double-power conversion is realized, the auxiliary switch 3 is triggered to obtain a signal to feed back excitation power, and the main shaft 2 is controlled not to move.

In this embodiment, the main shaft 2 is controlled to rotate mainly through excitation driving control, the sliding block 22 rotates to translate the ejector rod 33, so that the auxiliary contact 32 triggers the auxiliary switch 3, excitation outage operation is performed after switching of the switch is completed, the auxiliary contact 32 is protected, and the ejector rod 33 horizontally moves the auxiliary contact 32, so that the auxiliary contact 32 is not damaged easily.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. The utility model provides a dual power change-over switch, change-over switch includes casing (1), its characterized in that, casing (1) rotation is equipped with control main shaft (2), and the both sides of control main shaft (2) are provided with auxiliary switch (3), are provided with slider (22) on control main shaft (2), and the both sides of slider (22) are provided with mobilizable auxiliary contact (32) for switch on auxiliary switch (3) control exciting coil outage.

2. The dual-power transfer switch according to claim 1, wherein mounting grooves (11) are formed in the shell (1) and located at two sides of the control main shaft (2), the auxiliary switch (3) is arranged in the mounting grooves (11), a fixing groove (12) is formed between the mounting grooves (11) and the control main shaft (2), and a plurality of wiring grooves (13) are formed in the shell (1).

3. The dual-power transfer switch according to claim 2, wherein one end of the control main shaft (2) is rotatably connected with the housing (1), the other end is fixedly provided with a connecting pipe (21), a sliding block (22) is fixedly arranged on the connecting pipe (21), the sliding block (22) is of an arc-shaped structure, and a driving handle (23) is fixedly arranged on the sliding block (22).

4. A dual power transfer switch according to claim 2, characterized in that a connecting groove (31) is provided on one side of the auxiliary switch (3), a push rod (33) is movably provided in the fixing groove (12), a bump (34) is provided at one end of the push rod (33), an auxiliary contact (32) is provided at the other end, and the push rod (33) slides in the fixing groove (12).

5. A dual power transfer switch according to claim 4, characterized in that the auxiliary contact (32) is arranged in a connecting slot (31) for connecting an auxiliary switch (3).

6. A dual power transfer switch as claimed in claim 5, wherein the cam (34) cooperates with a slider (22), the slider (22) being rotatable with the control spindle (2) for controlling movement of the cam (34).

7. A dual-power transfer switch according to claim 3, characterized in that the control main shaft (2) is symmetrically provided with a supporting rod (24), the supporting rod (24) is fixedly provided with a connecting shaft (25), one side of the supporting rod (24) in the shell (1) is fixedly provided with a U-shaped block (14), the U-shaped block (14) is symmetrically provided with a chute (15), the chute (15) is slidably provided with a movable shaft (17), the movable shaft (17) is connected with a connecting rod (16), the connecting rod (16) is clamped with the connecting shaft (25), the U-shaped block (14) is internally fixedly provided with a spring (18), and energy storage of the spring (18) is used for driving the movable shaft (17) to move in the chute (15).