Novel high-voltage switch

Abstract

The invention discloses a novel high-voltage switch, and relates to the new energy high-voltage electrical field, the novel high-voltage switch comprises a bearing base, a linear motor, an insulating frame, a first contact piece and an arc extinguishing groove, the linear motor is installed on the left side of the bearing base, the insulating frame is installed on the upper surface of the bearing base, and a pushing rod is installed at the center line position of the insulating frame; a first contact piece and a second contact piece are arranged on the right side of the pushing rod, an arc guide block is installed at the center line position of the pushing rod, and an arc extinguishing groove is formed in the inner wall of the insulating frame. And the arc guide block can be automatically lifted after reaching a specific position through the characteristic of heteropole repulsion, so that the generation of an electric arc is prevented.

Description

Technical Field

[0001] The present invention relates to the field of new energy high-voltage electrical equipment, and in particular to a novel high-voltage switch. Background Art

[0002] High-voltage switches are electrical appliances with a rated voltage of 3kV or above that are mainly used to open and close conductive circuits. However, existing high-voltage switches have some shortcomings, such as:

[0003] A sealed high-voltage switch described in application number: CN96114085.2, since the device is not provided with an arc extinguishing structure, it is easy to generate an arc in the gap between the devices during actual use. A long arc will greatly increase the heat generation of the device, thereby causing damage to the device or burning. Summary of the invention

[0004] The purpose of the present invention is to provide a new type of high-voltage switch to solve the problem that the equipment on the existing market mentioned in the above background technology is not equipped with an arc extinguishing structure. During actual use, it is easy to generate an arc in the gap between the equipment. Long-term arcing will greatly increase the heat generation of the equipment, thereby causing damage to the equipment or burning.

[0005] To achieve the above object, the present invention provides the following technical solutions: a novel high-voltage switch, comprising a bearing base, a linear motor, an insulating frame, a first contact piece and an arc extinguishing groove;

[0006] A linear motor is installed on the left side of the bearing base;

[0007] An insulating frame is installed on the upper surface of the bearing base, a push rod is installed at the midline position of the insulating frame, a first contact piece and a second contact piece are arranged on the right side of the push rod, an arc guide block is installed at the midline position of the push rod, and an arc extinguishing groove is arranged on the inner wall of the insulating frame.

[0008] As a preferred technical solution of the present invention, the edge of the bearing base is fixedly connected to a fixing block, the fixing block of the bearing base is a square rounded structure with threads on the inner side, and there are six fixing blocks in total;

[0009] By adopting the above technical solution, the device can effectively improve the stability with the insulation frame by arranging a total of six bolt connection blocks on the edge of the bearing base.

[0010] As a preferred technical solution of the present invention, the upper surface of the left side of the bearing base is fixedly connected to the linear motor, the right side of the linear motor is fixedly connected to the propulsion rod, the propulsion rod is a rectangular structure as a whole, and the right side of the propulsion rod is a hollow design, the midline position of the propulsion rod is slidably connected to the arc guide block, and the bottom of the arc guide block is fixedly connected to the magnetic block;

[0011] By adopting the above technical solution, the device can separate the driving structure from the internal conductive structure by fixing the linear motor on the upper surface of the left side of the supporting base to improve the reliability of the device. The hollow design on the right side of the propulsion rod can effectively reduce the overall weight of the device while ensuring the volume and carrying capacity of the propulsion rod.

[0012] As a preferred technical solution of the present invention, a magnetic sheet is fixedly connected to the bottom of the insulating frame at a corresponding position below the arc guide block, and the magnetic poles of the magnetic sheet and the arc guide block are opposite, an insulating frame is threadedly installed above the bearing base, and a grid structure is arranged inside the insulating frame, and a push rod is slidably connected inside the insulating frame, and an arc extinguishing groove is fixedly connected above the insulating frame;

[0013] By adopting the above technical solution, the device fixes a magnetic sheet with opposite magnetic poles to the arc guide block at the bottom of the insulating frame at the corresponding position below the arc guide block. The arc guide block can be automatically lifted after reaching a specific position due to the repulsion between opposite poles, thereby preventing the generation of an arc.

[0014] As a preferred technical solution of the present invention, a pair of second contact pieces are clamped on the right side of the push rod, the left and right sides of the second contact piece are arc-shaped structures, and the first contact piece is mounted on both sides of the push rod, the first contact piece is slidably connected to the second contact piece, and the first contact piece is mounted on both ends of the second contact piece.

[0015] By adopting the above technical solution, the device can effectively improve the docking efficiency between the first contact piece and the second contact piece by setting the left and right sides of the second contact piece as arc surface structures, and the first contact piece is mounted on both ends of the second contact piece to ensure sufficient conductive area of ​​the device, thereby increasing the load capacity and safety of the device.

[0016] As a preferred technical solution of the present invention, the bearing base is a rectangular structure as a whole, and the bearing base is set as a two-step structure. The bearing base is divided into four parts as a whole, and the height of the left third of the bearing base is twice that of the right three quarters;

[0017] By adopting the above technical solution, the equipment can improve the regional space utilization of the equipment by dividing the entire supporting base into four parts, and the height of the left third of the supporting base is twice that of the right three quarters, which can better provide installation space and docking efficiency for the insulation frame.

[0018] As a preferred technical solution of the present invention, a redundant length is provided on the left side of the propulsion rod of the linear motor, and the propulsion rod is parallel to the side of the bearing base after being retracted to the left to the bottom;

[0019] By adopting the above technical solution, the device is provided with a redundant length on the left side of the push rod, and the push rod is parallel to the side of the supporting base after being retracted to the left to the bottom. This can prevent the push rod from moving excessively outward when driven by the linear motor, causing squeezing of other components, affecting the functional structure, and improving the safety of the equipment.

[0020] As a preferred technical solution of the present invention, the criss-cross grid structure inside the insulating frame is provided with grooves, the insulating frame groove area is the activity space of the first contact sheet and the second contact sheet, and the areas on both sides of the insulating frame groove area coincide with the edges of the first contact sheet and the second contact sheet;

[0021] By adopting the above technical solution, the device can provide sufficient movement space for the first contact piece and the second contact piece when opening and closing the switch by opening a groove structure in the insulating frame, and at the same time play a guiding role to prevent them from deflecting.

[0022] As a preferred technical solution of the present invention, the height of the insulating frame is the same as that of the bearing base, and the arc extinguishing groove in the insulating frame is an existing technical solution, and the size of the arc extinguishing groove is half of the grid size of the insulating frame;

[0023] By adopting the above technical solution, the device can support the linear motor under the two-step structure of the bearing base by making the height of the insulating frame the same as that of the bearing base, so as to provide sufficient activity space for the linear motor.

[0024] As a preferred technical solution of the present invention, the first contact piece is divided into two parts, the left side of the first contact piece is a clip structure, and the right side of the first contact piece is a fixed connecting piece, a U-shaped groove is provided at the edge of the clip on the left side of the first contact piece, and the U-shaped groove structure also begins at the connection between the two parts on the right side of the first contact piece;

[0025] By adopting the above technical solution, the device can increase the non-contact space between the first contact piece and the second contact piece by symmetrically arranging a total of four U-shaped groove structures at both ends of the midline of the first contact piece. When the second contact piece is detached, the force point can be increased, thereby improving the convenience of equipment maintenance and disassembly.

[0026] Compared with the prior art, the present invention has the following beneficial effects:

[0027] 1. The equipment can effectively improve the stability with the insulation frame by setting a total of six bolt connection blocks on the edge of the bearing base;

[0028] 2. The device is fixedly connected to the linear motor on the upper surface of the left side of the bearing base, which can separate the driving structure from the internal conductive structure to improve the reliability of the device. The hollow design on the right side of the propulsion rod can effectively reduce the overall weight of the device while ensuring the volume and carrying capacity of the propulsion rod;

[0029] 3. The device can prevent the generation of arc by fixing a magnetic sheet with opposite magnetic poles to the arc guide block at the bottom of the insulating frame at the corresponding position below the arc guide block. The characteristic of opposite poles repelling each other can make the arc guide block automatically rise after reaching a specific position, thereby preventing the generation of arc;

[0030] 4. The device can effectively improve the docking efficiency between the first contact piece and the second contact piece by setting the left and right sides of the second contact piece as arc structures, and the first contact piece is mounted on both ends of the second contact piece to ensure sufficient conductive area of ​​the device, thereby improving the load capacity and safety of the device;

[0031] 5. The equipment can improve the regional space utilization of the equipment by dividing the entire load-bearing base into four parts, and the height of the left third of the load-bearing base is twice that of the right third, which can better provide installation space and docking efficiency for the insulation frame;

[0032] 6. The device has a redundant length on the left side of the propulsion rod, and the propulsion rod is parallel to the side of the bearing base after being retracted to the left, which can prevent the propulsion rod from moving excessively outward when driven by the linear motor, causing squeezing of other components, affecting the functional structure, and improving the safety of the equipment;

[0033] 7. The device provides sufficient space for movement of the first contact piece and the second contact piece when they are opened and closed by opening a groove structure in the insulating frame, and at the same time plays a guiding role to prevent them from shifting;

[0034] 8. By making the height of the insulating frame the same as that of the bearing base, the equipment can support the linear motor under the two-step structure of the bearing base to provide sufficient activity space for the linear motor;

[0035] 9. The device can increase the non-contact space between the first contact piece and the second contact piece by symmetrically setting a total of four U-shaped groove structures at both ends of the midline of the first contact piece. When the second contact piece is detached, the force point can be increased, thereby improving the convenience of equipment maintenance and disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 It is a side view structural schematic diagram of the present invention;

[0037] Figure 2 It is a schematic diagram of the cross-sectional side view of the insulating frame of the present invention;

[0038] Figure 3 This is a schematic diagram of the connection structure between the second contact piece and the propulsion rod of the present invention;

[0039] Figure 4 This is a schematic diagram of the front view structure of the propulsion rod of the present invention;

[0040] Figure 5 It is a schematic diagram of the side view structure of the first contact piece of the present invention;

[0041] Figure 6 It is a schematic diagram of the connection structure between the insulating frame and the arc extinguishing trough of the present invention;

[0042] Figure 7 This is a schematic diagram of the output control circuit structure of the present invention;

[0043] Figure 8 It is a schematic diagram of the switch circuit structure of the present invention.

[0044] In the figure: 1. bearing base; 2. linear motor; 3. insulating frame; 4. first contact piece; 5. magnetic piece; 6. second contact piece; 7. pushing rod; 8. arc guide block; 9. arc extinguishing groove. DETAILED DESCRIPTION

[0045] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0046] See also Figure 1-6 , the technical solution of the present invention: a new type of high-voltage switch, including a bearing base 1, a linear motor 2, an insulating frame 3, a first contact piece 4, a magnetic piece 5, a second contact piece 6, a push rod 7, an arc guide block 8 and an arc extinguishing groove 9;

[0047] A linear motor 2 is installed on the left side of the bearing base 1;

[0048] An insulating frame 3 is installed on the upper surface of the bearing base 1, and a fixing block is fixedly connected to the edge of the bearing base 1. The fixing block of the bearing base 1 is a square rounded structure with a thread on the inner side. There are six fixing blocks in total. The device is provided with a total of six bolt connection blocks on the edge of the bearing base 1, which can effectively improve the stability with the insulating frame 3. The left upper surface of the bearing base 1 is fixedly connected to the linear motor 2, and the right side of the linear motor 2 is fixedly connected to the propulsion rod 7. The propulsion rod 7 is a rectangular structure as a whole, and the right side of the propulsion rod 7 is a hollow design. The midline position of the propulsion rod 7 is slidably connected to the arc guide block 8, and the bottom of the arc guide block 8 is fixedly connected to the magnetic block. The device is fixedly connected to the linear motor 2 on the left upper surface of the bearing base 1, which can separate the driving structure from the internal conductive structure to improve the reliability of the device, and the right side of the propulsion rod 7 The hollow design on the side can effectively reduce the overall weight of the equipment while ensuring the volume and carrying capacity of the push rod 7. The push rod 7 is installed at the midline position of the insulating frame 3, and the bottom of the insulating frame 3 is fixedly connected to the magnetic sheet 5 at the corresponding position below the arc guide block 8, and the magnetic sheet 5 has opposite magnetic poles to the arc guide block 8. The insulating frame 3 is threadedly installed above the bearing base 1, and the insulating frame 3 is set as a grid structure, and the push rod 7 is slidably connected inside the insulating frame 3, and the arc extinguishing groove 9 is fixedly connected above the insulating frame 3. The device is fixedly connected to the magnetic sheet 5 with opposite magnetic poles to the arc guide block 8 at the bottom of the insulating frame 3 at the corresponding position below the arc guide block 8. The arc guide block 8 can be automatically lifted after reaching a specific position through the characteristic of repulsion between opposite poles, thereby preventing the generation of an arc. The first contact sheet 4 and A second contact piece 6 is provided, and an arc guide block 8 is installed at the midline position of the push rod 7, an arc extinguishing groove 9 is provided on the inner wall of the insulating frame 3, a pair of second contact pieces 6 are clamped on the right side of the push rod 7, the left and right sides of the second contact piece 6 are arc surface structures, and the first contact piece 4 is sleeved on both sides of the push rod 7, the first contact piece 4 is slidably connected with the second contact piece 6, and the first contact piece 4 is sleeved on both ends of the second contact piece 6. The device can effectively improve the docking efficiency of the first contact piece 4 and the second contact piece 6 by setting the left and right sides of the second contact piece 6 as an arc surface structure, and the first contact piece 4 is sleeved on both ends of the second contact piece 6 to ensure sufficient conductive area of ​​the device, thereby improving the load capacity and safety of the device. The bearing base 1 is a rectangular structure as a whole, and the bearing base 1 is set with two steps in total. The structure of the support base 1 is divided into four parts as a whole, and the height of the left third of the support base 1 is twice that of the right three quarters. The device can improve the regional space utilization rate of the device by dividing the support base 1 as a whole into four parts, and the height of the left third of the support base 1 is twice that of the right three quarters, which can better provide installation space and docking efficiency for the insulating frame 3. The left side of the propulsion rod 7 of the linear motor 2 is provided with a redundant length, and the propulsion rod 7 is parallel to the side of the support base 1 after being retracted to the left. The device can prevent the propulsion rod 7 from excessively moving outward when driven by the linear motor 2, causing squeezing of other components, by arranging a redundant length on the left side of the propulsion rod 7, and the propulsion rod 7 is parallel to the side of the support base 1 after being retracted to the left.The functional structure is affected to improve the safety of the equipment. The criss-cross grid structure inside the insulating frame 3 is provided with grooves. The groove area of ​​the insulating frame 3 is the activity space of the first contact piece 4 and the second contact piece 6, and the areas on both sides of the groove area of ​​the insulating frame 3 coincide with the edges of the first contact piece 4 and the second contact piece 6. The device provides sufficient activity space when the first contact piece 4 and the second contact piece 6 are opened and closed by providing a groove structure in the insulating frame 3, and at the same time plays a guiding role to prevent them from shifting. The height of the insulating frame 3 is the same as that of the bearing base 1, and the arc extinguishing groove 9 in the insulating frame 3 is an existing technical solution. The size of the arc extinguishing groove 9 is half of the grid size of the insulating frame 3. The device is achieved by connecting the height of the insulating frame 3 to the bearing base 1. The base 1 is the same, and can support the linear motor 2 under the two-step structure set on the supporting base 1 to provide sufficient activity space for the linear motor 2. The first contact piece 4 is divided into two parts. The left side of the first contact piece 4 is a clamping piece structure, and the right side of the first contact piece 4 is a fixed connecting piece. A U-shaped groove is provided at the edge of the clamping piece on the left side of the first contact piece 4, and the connection between the two parts on the right side of the first contact piece 4 also starts with a U-shaped groove structure. The device can increase the non-contact space between the first contact piece 4 and the second contact piece 6 by symmetrically setting a total of four U-shaped groove structures at both ends of the center line of the first contact piece 4. When the second contact piece 6 is detached, the force point can be increased, and the convenience of equipment maintenance and disassembly can be improved. ,

[0049] Working principle: When using a new type of high-voltage switch, first fix the cables to both sides of the first contact piece 4 with bolts. When the equipment needs to be connected, you only need to start the linear motor 2 to drive the second contact piece 6 to move to the right through the push rod 7 until it fits with the first contact piece 4. While the push rod 7 moves, the arc guide block 8 gradually loses the support of the magnetic piece 5, begins to descend and fits together with the upper and lower ends of the push rod 7.

[0050] Thereby completing a series of tasks, the contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0051] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A novel high-voltage switch, comprising a bearing base (1), a linear motor (2), an insulating frame (3), a first contact piece (4) and an arc extinguishing groove (9); A linear motor (2) is installed on the left side of the bearing base (1); Features: An insulating frame (3) is installed on the upper surface of the bearing base (1), a push rod (7) is installed at the midline position of the insulating frame (3), a first contact piece (4) and a second contact piece (6) are arranged on the right side of the push rod (7), an arc guide block (8) is installed at the midline position of the push rod (7), and an arc extinguishing groove (9) is arranged on the inner wall of the insulating frame (3).

2. A novel high voltage switch according to claim 1, characterized in that: The edge of the bearing base (1) is fixedly connected to a fixing block, the fixing block of the bearing base (1) is a square rounded structure with threads provided on the inner side, and there are six fixing blocks in total.

3. A novel high voltage switch according to claim 2, characterized in that: The upper left surface of the supporting base (1) is fixedly connected to the linear motor (2), and the right side of the linear motor (2) is fixedly connected to the propulsion rod (7). The propulsion rod (7) is a rectangular structure as a whole, and the right side of the propulsion rod (7) is a hollow design. The center line position of the propulsion rod (7) is slidably connected to the arc guide block (8), and the bottom of the arc guide block (8) is fixedly connected to the magnetic block.

4. A novel high voltage switch according to claim 3, characterized in that: A magnetic sheet (5) is fixedly connected to the bottom of the insulating frame (3) at a corresponding position below the arc guide block (8), and the magnetic poles of the magnetic sheet (5) and the arc guide block (8) are opposite. The insulating frame (3) is threadedly mounted above the supporting base (1), and a grid structure is provided inside the insulating frame (3), and a push rod (7) is slidably connected inside the insulating frame (3). The top of the insulating frame (3) is fixedly connected to an arc extinguishing groove (9).

5. A novel high voltage switch according to claim 4, characterized in that: A pair of second contact pieces (6) are clamped on the right side of the push rod (7); the left and right sides of the second contact piece (6) are arc surface structures; the first contact piece (4) is sleeved on both sides of the push rod (7); the first contact piece (4) is slidably connected to the second contact piece (6), and the first contact piece (4) is sleeved on both ends of the second contact piece (6).

6. A novel high voltage switch according to claim 5, characterized in that: The supporting base (1) is a rectangular structure as a whole, and the supporting base (1) is arranged as a two-step structure. The supporting base (1) is divided into four parts as a whole, and the height of the left third of the supporting base (1) is twice that of the right three quarters.

7. A novel high voltage switch according to claim 6, characterized in that: The left side of the propulsion rod (7) of the linear motor (2) is provided with a redundant length, and the propulsion rod (7) is parallel to the side of the supporting base (1) after being retracted to the left to the bottom.

8. A novel high voltage switch according to claim 7, characterized in that: The crisscross grid structure inside the insulating frame (3) is provided with grooves, the groove area of ​​the insulating frame (3) is the movable space of the first contact piece (4) and the second contact piece (6), and the areas on both sides of the groove area of ​​the insulating frame (3) coincide with the edges of the first contact piece (4) and the second contact piece (6).

9. A novel high voltage switch according to claim 8, characterized in that: The height of the insulating frame (3) is the same as that of the bearing base (1), and the arc extinguishing groove (9) in the insulating frame (3) is an existing technical solution, and the size of the arc extinguishing groove (9) is half the size of the grid of the insulating frame (3).

10. A novel high voltage switch according to claim 9, characterized in that: The first contact piece (4) is divided into two parts. The left side of the first contact piece (4) is a clamping piece structure, and the right side of the first contact piece (4) is a fixed connecting piece. A U-shaped groove is provided at the edge of the clamping piece on the left side of the first contact piece (4), and the U-shaped groove structure also begins at the connection between the two parts on the right side of the first contact piece (4).

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