CN117854958A - Wide frequency general heavy current switch - Google Patents

Abstract

The application relates to the technical field of electrical elements, in particular to a wide-frequency universal high-current switch, which comprises a first electrode, a second electrode and a driving assembly, wherein the first electrode and the second electrode are mutually overlapped, an insulating plate is arranged between the first electrode and the second electrode, and the first electrode and the second electrode are both connected to the insulating plate; the first electrode comprises two first conductive plates and a first movable contact, the two first conductive plates are fixedly connected to the insulating plate, a gap exists between the two first conductive plates, and the first movable contact can be connected with the two first conductive plates at the same time; the second electrode comprises two second conductive plates and a second movable contact, the two second conductive plates are fixedly connected to the insulating plate, a gap exists between the two second conductive plates, and the second movable contact can be connected with the two second conductive plates at the same time; the driving component can drive the first movable contact and the second movable contact to move in opposite directions. This application has the space saving, small effect.

Description

Wide frequency general heavy current switch

Technical Field

The application relates to the technical field of electrical elements, in particular to a wide-frequency universal high-current switch.

Background

For example, for industrial heating, including electric smelting furnaces, a power supply with 2 or even more furnace coils is often required, and the need to make non-standard switches requires the passage of particularly large ac currents with a relatively wide ac current frequency. Each switch needs to be provided with two electrodes, one electrode is used for supplying current, and the other electrode is used for backflow, so that the current forms a loop. The two electrodes of the switch usually need to be placed at two different positions, the insulation of the two electrodes is achieved through an air insulation mode, and the distance between the two electrodes is larger through the air insulation mode, so that the frequency that the electrodes can bear is lower and the occupied space of the switch is larger.

Disclosure of Invention

The utility model aims at providing a general heavy current switch of wide frequency, it has small characteristics.

The application provides a general heavy current switch of wide frequency adopts following technical scheme:

the universal high-current switch with the wide frequency comprises a first electrode, a second electrode and a driving assembly, wherein the first electrode and the second electrode are mutually overlapped, an insulating plate is arranged between the first electrode and the second electrode, and the first electrode and the second electrode are connected to the insulating plate;

the first electrode comprises two first conductive plates and a first movable contact, the two first conductive plates are fixedly connected to the insulating plate, a gap exists between the two first conductive plates, and the first movable contact can be connected with the two first conductive plates at the same time;

the second electrode comprises two second conductive plates and a second movable contact, the two second conductive plates are fixedly connected to the insulating plate, a gap exists between the two second conductive plates, and the second movable contact can be connected with the two second conductive plates at the same time;

the driving component can drive the first movable contact and the second movable contact to move in opposite directions.

Through adopting above-mentioned technical scheme, with first electrode and second electrode coincide together, separate first electrode and second electrode each other through the insulation board, be difficult to produce the electricity between messenger's first electrode and the second electrode and be connected, reduce the condition of short circuit, with first electrode and second electrode coincide together, make whole switch integrated together, save volume, through using the insulation board to insulate first electrode and second electrode, make first electrode and second electrode can be close to more to make first electrode and second electrode can bear wider frequency.

Optionally, the driving assembly includes a telescopic member, a mounting plate and a connecting rod, the telescopic member includes a sliding section and a mounting section, the sliding section is slidably inserted into the mounting section, the mounting plate is fixedly connected with the mounting section, the sliding section penetrates through the mounting plate and is connected with the second electrode, and the sliding section can slide relative to the mounting plate;

one end of the connecting rod is fixedly connected with the mounting plate, and the other end of the connecting rod is fixedly connected with the first movable contact.

Through adopting above-mentioned technical scheme, through the flexible of extensible member, drive second movable contact and remove, make second movable contact and two second current-conducting plates separation to realize the disconnection of switch, its operational process is simple and convenient, simple structure, occupation space is little.

Optionally, the driving assembly further includes a first elastic member, one end of the first elastic member is fixedly connected to the sliding section, and the other end of the first elastic member is fixedly connected to the mounting section.

Through adopting above-mentioned technical scheme, after the extension of extensible member, make first elastic component produce elastic deformation, when the extensible member needs to shrink, make first elastic component pulling sliding section slip to realize the shrink of extensible member, and then make things convenient for the shrink of extensible member, reduce the condition that the extensible member takes place to block and produce.

Optionally, a bearing is arranged between the connecting rod and the insulating plate, the bearing is fixedly connected to the insulating plate, and the connecting rod is inserted into the bearing and connected with the bearing.

Through adopting above-mentioned technical scheme, through setting up the bearing, reduce the frictional force between connecting rod and the insulation board to make things convenient for the insulation board to slide along connecting rod axis direction.

Optionally, the device further comprises a guide assembly, wherein the guide assembly comprises a plurality of guide rods, one ends of the guide rods are fixedly connected with the second movable contacts, and the other ends of the guide rods penetrate through the mounting plate and are in sliding connection with the mounting plate.

Through adopting above-mentioned technical scheme, through setting up the guide bar, make second movable contact remove along the axis direction of guide bar all the time in the removal in-process, reduce the possibility that second movable contact takes place the position offset in the removal in-process, reduced the switch promptly and taken place the possibility of position offset in the switching in-process.

Optionally, a second elastic element is arranged between the insulating plate and the mounting plate, one end of the second elastic element is fixedly connected with the mounting plate, and the other end of the second elastic element is fixedly connected with the insulating plate.

Through adopting above-mentioned technical scheme, through setting up the second elastic component, make second movable contact move down in-process, the second elastic component can drive the mounting panel and move up, drive first movable contact promptly and move up to realize that first movable contact is kept away from each other with the second movable contact, make first movable contact and first current conducting plate mutually separate, make second movable contact and second current conducting plate mutually separate, reduced the switch when breaking off, the possibility of taking place the electric shock, make the circuit of this switch of installation safer.

Optionally, the second elastic piece is sleeved on the connecting rod.

By adopting the technical scheme, the second elastic piece is sleeved on the connecting rod, so that the possibility of radial bending between the second elastic pieces is reduced.

Optionally, the connecting rod quantity has a plurality of, a plurality of the connecting rod all with the mounting panel first movable contact fixed connection.

Through adopting above-mentioned technical scheme, through setting up a plurality of connecting rod, make first movable contact and mounting panel be connected more stable.

Optionally, a positioning component is disposed between the first conductive plate and the first movable contact and between the second conductive plate and the second movable contact, the positioning component includes a U-shaped block and a U-shaped groove formed on the first movable contact or the second movable contact, the first conductive plate and the second conductive plate are fixedly connected with the U-shaped block, and the U-shaped block can be inserted into the corresponding U-shaped groove.

Through adopting above-mentioned technical scheme, through the cooperation in U type piece and U type groove, make the position relatively fixed between first movable contact and the first current-conducting plate, make the position relatively fixed between second movable contact and second current-conducting plate and the second movable contact, reduce the possibility that first movable contact and second movable contact mounted position take place the deviation.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the first electrode and the second electrode are overlapped together, the first electrode and the second electrode are mutually separated through the insulating plate, electric connection is not easy to generate between the first electrode and the second electrode, the short circuit condition is reduced, the first electrode and the second electrode are overlapped together, the whole switch is integrated together, the size is saved, the first electrode and the second electrode are insulated through the insulating plate, the first electrode and the second electrode can be close to each other, and accordingly the first electrode and the second electrode can bear wider frequency.

2. After the telescopic piece is stretched, the first elastic piece is elastically deformed, and when the telescopic piece needs to be contracted, the sliding section is pulled by the first elastic piece to slide, so that the telescopic piece is contracted, the telescopic piece is contracted conveniently, and the situation that the telescopic piece is clamped is reduced;

3. through setting up the second elastic component, make second movable contact move down in-process, the second elastic component can drive the mounting panel and move up, drive first movable contact promptly and move up to realize that first movable contact is kept away from each other with the second movable contact, make first movable contact and first current conducting plate mutually separate, make second movable contact and second current conducting plate mutually separate, reduced the switch when breaking off, the possibility that takes place the electric shock, make the circuit of this switch of installation safer.

Drawings

Fig. 1 is a schematic diagram of an overall structure of a wide-frequency universal high-current switch according to an embodiment of the present application.

Fig. 2 is a schematic structural view of a first conductive plate according to an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a first movable contact according to an embodiment of the present application.

Fig. 4 is a schematic diagram of the overall structure of a circuit according to an embodiment of the present application.

In the figure, 1, a first electrode; 11. a first conductive plate; 12. a first movable contact;

2. a second electrode; 21. a second conductive plate; 22. a second movable contact;

3. an insulating plate;

4. a positioning assembly; 41. a U-shaped block; 42. a U-shaped groove;

5. a guide assembly; 51. A guide rod; 52. a bearing;

6. a second elastic member;

7. a drive assembly; 71. a telescoping member; 711. a sliding section; 712. a mounting section; 72. a first elastic member; 73. a mounting plate; 74. a connecting rod;

81. a first wire; 82. a second wire; 83. a third wire; 84. a fourth wire; 85. copper plate;

9. and fixing the column.

Detailed Description

The present application is described in further detail below with reference to fig. 1-4.

Referring to fig. 1, a wide-frequency universal high-current switch comprises a first electrode 1 and a second electrode 2, wherein the first electrode 1 and the second electrode 2 are mutually overlapped, in this embodiment, the first electrode 1 and the second electrode 2 are mutually overlapped in the vertical direction, the first electrode 1 is located above, the second electrode 2 is located below, an insulating plate 3 is arranged between the first electrode 1 and the second electrode 2, and the first electrode 1 and the second electrode 2 are fixedly connected to the insulating plate 3. In this embodiment, the insulating plate 3 is fixed on the external environment, and the frame body may be separately provided, so that the insulating plate 3 is fixed on the frame body, or fixed on other external environments.

When the switch is closed, the current firstly passes through the first electrode 1, then flows into the carrier to be electrified, and finally flows back through the second electrode 2, so that a whole current loop is formed.

By the arrangement of the insulating plate 3, the first electrode 1 and the second electrode 2 are made to be close to each other, so that the frequency that the first electrode 1 and the second electrode 2 can bear is increased, and the first electrode 1 and the second electrode 2 are closer, and the size of the switch is smaller.

Referring to fig. 2 and 3, the first electrode 1 includes two first conductive plates 11 and first movable contacts 12, in this embodiment, the first conductive plates 11 are symmetrically disposed, the first movable contacts 12 are mounted on the two first conductive plates 11, when the switch is in a closed state, the first movable contacts 12 are simultaneously abutted against the two first conductive plates 11, so that the two first conductive plates 11 are connected, one ends of the two first conductive plates 11, which are far away from each other, are bent upwards, in this embodiment, a positioning assembly 4 is disposed between the first conductive plates 11 and the first movable contacts 12, the positioning assembly 4 includes a U-shaped groove 42 and a U-shaped block 41, the first conductive plates 11 are fixedly connected with the U-shaped blocks 41, the two U-shaped blocks 41 are symmetrically disposed, the first movable contacts 12 are provided with the U-shaped grooves 42, the two U-shaped grooves 42 correspond to the two U-shaped blocks 41, and when the first movable contacts 12 are mounted, the first movable contacts 12 are inserted into the first movable blocks 41, so that the first movable contacts are fixed to the first conductive plates 12.

Referring to fig. 1, 2 and 3, the second electrode 2 includes two second conductive plates 21 and second movable contacts 22, in this embodiment, two second conductive plates 21 are symmetrically disposed, the second movable contacts 22 are mounted on the two second conductive plates 21, when the switch is in a closed state, the second movable contacts 22 are simultaneously abutted against the two second conductive plates 21, so that the two second conductive plates 21 are connected, one ends of the two second conductive plates 21, which are far away from each other, are bent upwards, the second movable contacts 22 are fixedly connected on the second conductive plates 21, in this embodiment, the positioning assembly 4 is also disposed between the second conductive plates 21 and the second movable contacts 22, the two U-shaped blocks 41 are fixedly connected on the second conductive plates 21, the two U-shaped blocks 41 are symmetrically disposed, the two U-shaped grooves 42 are formed on the second movable contacts 22, the two U-shaped grooves 42 are corresponding to the two U-shaped blocks 41, and the second movable contacts 22 are inserted into the second movable contacts 22 at positions corresponding to the second movable blocks 22, so as to realize the fixing of the two movable contacts in the second conductive plates 41.

In this embodiment, the first conductive plate 11 and the second conductive plate 21 are made of copper plate 85, and in other embodiments, other materials may be used as long as they can perform a conductive function.

Referring to fig. 1, a wide-frequency universal high-current switch further includes a driving component 7, where the driving component 7 includes a telescopic member 71, a mounting plate 73 and a connecting rod 74, the telescopic member 71 penetrates the mounting plate 73 and is connected with the second electrode 2, in this embodiment, a fixing rod is disposed between the telescopic member 71 and the mounting plate 73, the telescopic member 71 is fixedly connected with the mounting plate 73 through the fixing rod, in this embodiment, a pin seat is fixedly connected to the second movable contact 22, and the telescopic member 71 is hinged with the pin seat, so as to realize the hinge connection between the telescopic member 71 and the second movable contact 22. The second electrode 2 is moved by the extension of the extension member 71.

One end of the connecting rod 74 is fixedly connected with the mounting plate 73, the other end of the connecting rod 74 penetrates through the insulating plate 3 and is in sliding connection with the insulating plate 3, in the embodiment, the number of the connecting rods 74 is four, the four connecting rods 74 are respectively distributed at four corners of the insulating plate 3, and in other embodiments, the number of the connecting rods 74 can be five, six or any other number, so long as the guiding function can be provided for the insulating plate 3.

In this embodiment, in order to make the connecting rod 74 slide with the insulating plate 3 more smoothly, a bearing 52 is provided between the connecting rod 74 and the insulating plate 3, the bearing 52 is fixedly connected to the insulating plate 3, the connecting rod 74 is inserted into the bearing 52 and connected to the bearing 52, and the connecting rod 74 is slidably connected to the insulating plate 3 through the bearing 52. In the present embodiment, the bearing 52 is a linear bearing 52.

In the present embodiment, the connecting rod 74 penetrates both the first movable contact 12 and the insulating plate 3. And the connecting rod 74 is fixedly connected with the first movable contact 12, and when the connecting rod 74 moves up and down, the first movable contact 12 is driven to move up and down.

In this embodiment, the telescopic member 71 is an electric push rod capable of maintaining a fixed force when power is cut off, and in other embodiments, the telescopic member 71 may be another member, so long as the second electrode 2 is driven to move.

The telescopic member 71 comprises a sliding section 711 and a mounting section 712, wherein the sliding section 711 is slidably inserted into the mounting section 712 and hinged with the second electrode 2, and the sliding section 711 is made to slide on the mounting section 712 by supplying power to the telescopic member 71, thereby realizing the driving of the second electrode 2.

The drive assembly 7 further comprises a first resilient member 72, in this embodiment the first resilient member 72 is a spring, and in other embodiments the first resilient member 72 may be other resiliently deformable members. One end of the first elastic member 72 is fixedly connected to the sliding section 711, and the other end of the first elastic member 72 is fixedly connected to the mounting section 712, in this embodiment, in order to reduce the possibility of radial bending of the first elastic member 72, the first elastic member 72 is sleeved on the mounting section 712.

In the sliding process of the sliding section 711, the first elastic member 72 is driven to elastically deform, when the sliding section 711 is required to be reset, the first elastic member 72 is reset, and the sliding section 711 is pulled to reset, compared with the process that the sliding section 711 is driven to reset under the action of gravity of the first electrode 1 and the second electrode 2, the sliding section 711 is more convenient to reset by using the first elastic member 72.

The wide-frequency universal high-current switch further comprises a guide assembly 5, the guide assembly 5 comprises guide rods 51, one ends of the guide rods 51 are fixedly connected with the second movable contacts 22, the other ends of the guide rods 51 penetrate through the mounting plate 73 and are in sliding connection with the mounting plate 73, in the embodiment, the number of the guide rods 51 is four, and the four guide rods 51 are respectively arranged at four corners of the second movable contacts 22.

A second elastic member 6 is disposed between the insulating plate 3 and the mounting plate 73, and in this embodiment, the second elastic member 6 is a spring, and in other embodiments, other elastic members capable of elastically deforming may be used for the second elastic member 6. One end of the second elastic member 6 is fixedly connected to the mounting plate 73, the other end of the second elastic member 6 is fixedly connected to the insulating plate 3, in this embodiment, each guide post is sleeved with one of the second elastic members 6, and the second elastic member 6 is fixedly connected to the bearing 52, so that the second elastic member 6 is fixedly connected to the insulating plate 3.

Referring to fig. 1 and 4, a circuit includes a first wire 81, a second wire 82, a third wire 83, a fourth wire 84, and a copper plate 85, a gap exists between the first wire 81 and the second wire, a gap also exists between the third wire 83 and the fourth wire 84, the two gaps are commonly used for installing a switch, one end of the first wire 81 far away from the second wire 82 is used for being connected with a power supply, one end of the first wire 81 near the second wire 82 is fixedly connected with the copper plate 85, one end of the second wire 82 near the first wire 81 is fixedly connected with the copper plate 85, one end of the second wire 82 far away from the first wire 81 is connected with a carrier to be supplied with power, one end of the third wire 83 far away from the fourth wire 84 is connected with the copper plate 85, one end of the fourth wire 84 near the third wire 83 is fixedly connected with the copper plate 85, and one end of the fourth wire 84 far away from the third wire 83 is connected with the power supply.

In the initial stage, the two first conductive plates 11 are respectively and fixedly connected with the copper plates 85 on the first conductive wire 81 and the second conductive wire 82, and the two second conductive plates 21 are respectively and fixedly connected with the copper plates 85 on the third conductive wire 83 and the fourth conductive wire 84. When the switch is closed, the first movable contact 12 is simultaneously abutted against the two first conductive plates 11, so that the two first conductive plates 11 are connected, the second movable contact 22 is simultaneously abutted against the two second conductive plates 21, so that the two second conductive plates 21 are connected, and at the moment, current sequentially passes through the first wire 81, the first electrode 1, the second wire 82, the carrier to be powered, the third wire 83 and the fourth wire 84, so that the carrier to be powered is powered.

When the switch is required to be turned on, the first movable contact 12 is separated from the first conductive plate 11, and the second movable contact 22 is separated from the second conductive plate 21, so that the circuit can be disconnected.

The implementation principle of the embodiment of the application is as follows: in the initial state, the first movable contact 12 is abutted against the first conductive plate 11, the second movable contact 22 is abutted against the second conductive plate 21, at this time, the second movable contact 22 has a downward movement trend under the action of self gravity, namely, the second guide post and the telescopic piece 71 have downward movement trends, and the telescopic piece 71 is fixedly connected with the mounting plate 73 through the fixed post 9, so that the mounting plate 73 is driven to have downward movement trends, the mounting plate 73 is fixedly connected with the first movable contact 12 through the first guide post, the first movable contact 12 is limited to move downwards by the insulating plate 3, and then the mounting plate 73 is limited to move downwards, namely, the telescopic piece 71 and the second movable contact 22 are limited to move downwards, the second elastic piece 6 is in a stretching state, the mounting plate 73 is pulled to generate upward movement trends, the second movable contact 22 is abutted against the second conductive plate 21, and further the telescopic piece 71 is limited to move upwards, so that the mounting plate 73 is limited to move upwards, and at this time, the switch is in the closed state.

When the switch is required to be turned off, the telescopic piece 71 is contracted, the sliding section 711 slides into the mounting section 712, so that the length of the whole telescopic piece 71 is shortened, the sliding section 711 drives the second movable contact 22 to move downwards, when the second movable contact 22 is separated from the insulating plate 3, the second elastic piece 6 is contracted, the mounting plate 73 is driven to move upwards, namely, the telescopic piece 71 is driven to move integrally upwards, the telescopic piece 71 drives the second movable contact 22 to move to be abutted with the second conductive plate 21, and in the process of moving upwards the mounting plate 73, the connecting rod 74 is driven to move upwards, and the connecting rod 74 drives the first movable contact 12 to move upwards, so that the first movable contact 12 and the first conductive plate 11 are separated from each other.

The telescopic piece 71 is continuously contracted, and the moving process is repeated until the second elastic piece 6 is not contracted, and at the moment, the telescopic piece 71 is contracted, so that the second movable contact 22 is driven to move downwards, the second movable contact 22 is separated from the second conductive plate 21, and the whole switch is disconnected.

When the switch is required to be closed, the telescopic piece 71 stretches to push the second movable contact 22 to move upwards, so that the second movable contact 22 is abutted against the second conductive plate 21, and when the telescopic piece 71 stretches, the mounting plate 73 is driven to move downwards, so that the second elastic piece 6 stretches, the first movable contact 12 is driven to move downwards, the first movable contact 12 is abutted against the first conductive plate 11, and the switch is closed.

The embodiments of this embodiment are all preferred embodiments of the present application, and are not intended to limit the scope of the present application, in which like parts are denoted by like reference numerals. Therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (9)

1. The universal high-current switch with the wide frequency range is characterized by comprising a first electrode (1), a second electrode (2) and a driving assembly (7), wherein the first electrode (1) and the second electrode (2) are mutually overlapped, an insulating plate (3) is arranged between the first electrode (1) and the second electrode (2), and the first electrode (1) and the second electrode (2) are connected to the insulating plate (3);

the first electrode (1) comprises two first conductive plates (11) and a first movable contact (12), the two first conductive plates (11) are fixedly connected to the insulating plate (3) and a gap exists between the two first conductive plates (11), and the first movable contact (12) can be connected with the two first conductive plates (11) at the same time;

the second electrode (2) comprises two second conductive plates (21) and a second movable contact (22), the two second conductive plates (21) are fixedly connected to the insulating plate (3) and a gap exists between the two second conductive plates (21), and the second movable contact (22) can be connected with the two second conductive plates (21) at the same time;

the driving component (7) can drive the first movable contact (12) and the second movable contact (22) to move in opposite directions.

2. A broad frequency universal high current switch according to claim 1, wherein the drive assembly (7) comprises a telescopic member (71), a mounting plate (73) and a connecting rod (74), the telescopic member (71) comprising a sliding section (711) and a mounting section (712), the sliding section (711) being slidably inserted into the mounting section (712), the mounting plate (73) being fixedly connected to the mounting section (712), the sliding section (711) extending through the mounting plate (73) and being connected to the second electrode (2), the sliding section (711) being slidable relative to the mounting plate (73);

one end of the connecting rod (74) is fixedly connected with the mounting plate (73), and the other end of the connecting rod (74) is fixedly connected with the first movable contact (12).

3. The wide-frequency universal high-current switch according to claim 2, wherein the driving assembly (7) further comprises a first elastic member (72), one end of the first elastic member (72) is fixedly connected to the sliding section (711), and the other end of the first elastic member (72) is fixedly connected to the mounting section (712).

4. The wide-frequency universal high-current switch according to claim 2, wherein a bearing (52) is arranged between the connecting rod (74) and the insulating plate (3), the bearing (52) is fixedly connected to the insulating plate (3), and the connecting rod (74) is inserted into the bearing (52) and is connected with the bearing (52).

5. The wide-frequency universal high-current switch according to claim 2, further comprising a guide assembly (5), wherein the guide assembly (5) comprises a plurality of guide rods (51), one ends of the guide rods (51) are fixedly connected with the second movable contacts (22), and the other ends of the guide rods (51) penetrate through the mounting plate (73) and are in sliding connection with the mounting plate (73).

6. The wide-frequency universal high-current switch according to claim 2, wherein a second elastic member (6) is arranged between the insulating plate (3) and the mounting plate (73), one end of the second elastic member (6) is fixedly connected with the mounting plate (73), and the other end of the second elastic member (6) is fixedly connected with the insulating plate (3).

7. A broad frequency universal high current switch according to claim 6, wherein said second elastic member (6) is sleeved on said connecting rod (74).

8. The wide-frequency universal high-current switch according to claim 2, wherein a plurality of connecting rods (74) are provided, and the plurality of connecting rods (74) are fixedly connected with the mounting plate (73) and the first movable contact (12).

9. The wide-frequency universal high-current switch according to claim 1, wherein positioning components (4) are arranged between the first conductive plate (11) and the first movable contact (12) and between the second conductive plate (21) and the second movable contact (22), the positioning components (4) comprise U-shaped blocks (41) and U-shaped grooves (42) formed in the first movable contact (12) or the second movable contact (22), the first conductive plate (11) and the second conductive plate (21) are fixedly connected with the U-shaped blocks (41), and the U-shaped blocks (41) can be inserted into the corresponding U-shaped grooves (42).