Shunts to resist alternating magnetic field interference

Abstract

A flow divider resistant to alternating magnetic field interference includes a flow divider plate, a first sampling unit, and a second sampling unit; the flow divider plate is provided with a first sampling column and a second sampling column; the first sampling unit includes a first side piece, a first transverse connecting portion, a second side piece, and a first connecting portion connected in sequence; the second sampling unit includes a third side piece, a second transverse connecting portion, a fourth side piece, and a second connecting portion connected in sequence; the first side piece is located directly above the fourth side piece, and the third side piece is located directly above the second side piece; the top of the flow divider plate abuts against the first transverse connecting portion and the second transverse connecting portion, the first side piece, the fourth side piece, and the second connecting portion are located on the first side of the flow divider plate, and the second side piece, the first connecting portion, and the third side piece are located on the second side of the flow divider plate. In this way, the induced magnetic fields cancel each other out from top to bottom and from left to right, and the ability to resist alternating magnetic field interference is strong.

Description

Technical Field

[0001] The invention relates to the technical field of low-voltage electrical appliances, in particular to a shunt capable of resisting alternating magnetic field interference. Background Art

[0002] The Chinese patent "Shunter" (patent number ZL201720308242.6) discloses a shunt with the ability to resist alternating magnetic fields. A first sampling line connection hole 11 and a second sampling line connection hole 12 are provided on a shunt plate 1. The first sampling line 2 and the second sampling line 3 are respectively connected to the positions on the shunt plate 1 close to the first sampling line connection hole 11 and the second sampling line connection hole 12. The upper parts of the first sampling line 2 and the second sampling line 3 are intertwined together. The induced magnetic field formed by the intertwined first sampling line 2 and the second sampling line 3 is relatively complex, and it is difficult to ensure that the induced magnetic fields can offset each other, and the ability to resist alternating magnetic field interference is not ideal. In addition, the assembly and disassembly of the product requires the arrangement of cables, which is troublesome and has a low degree of modularization. Summary of the invention

[0003] In view of this, the present invention provides a shunt that can resist alternating magnetic field interference and has strong anti-alternating magnetic field interference capability, in order to solve the above problems.

[0004] A flow divider resistant to alternating magnetic field interference comprises a flow divider plate, a first sampling unit and a second sampling unit; the flow divider plate is provided with a first sampling hole, a second sampling hole and a middle opening, the first sampling hole, the second sampling hole and the middle opening are distributed in a horizontal direction, and the middle opening is located between the first sampling hole and the second sampling hole; a first sampling column is provided between the first sampling hole and the middle opening, and a second sampling column is provided between the middle opening and the second sampling hole; the first sampling unit comprises a first side piece, a first transverse connecting part, a second side piece and a first connecting part connected in sequence, the first side piece and the second side piece are both vertically arranged, and the first transverse connecting part and the first connecting part are both It is arranged horizontally, and the first connecting part is connected to the first sampling column; the second sampling unit includes a third side piece, a second transverse connecting part, a fourth side piece and a second connecting part which are connected in sequence, the third side piece and the fourth side piece are arranged, the second transverse connecting part and the second connecting part are arranged horizontally, and the second connecting part is connected to the second sampling column; the first side piece is located directly above the fourth side piece, and the third side piece is located directly above the second side piece; the top of the diverter plate abuts against the first transverse connecting part and the second transverse connecting part, the first side piece, the fourth side piece and the second connecting part are located on the first side of the diverter plate, and the second side piece, the first connecting part and the third side piece are located on the second side of the diverter plate.

[0005] Furthermore, it also includes an insulating limit mounting block; the middle part of the insulating limit mounting block is respectively provided with a first positioning hole and a second positioning hole corresponding to the first side piece and the third side piece, and the first side piece and the third side piece pass through the first positioning hole and the second positioning hole respectively.

[0006] Furthermore, two mounting protrusions are protruding upward from the top of the diverter plate, and two mounting grooves or mounting holes are respectively provided on the bottom surfaces at both ends of the insulating limit mounting block corresponding to the two mounting protrusions, and the two mounting protrusions are respectively located in the two mounting grooves or mounting holes.

[0007] Furthermore, the two mounting protrusions correspond to the first sampling column and the second sampling column respectively.

[0008] Furthermore, a first inclined portion is provided on the top of the second side piece, which is inclined toward one side of the second sampling hole.

[0009] Furthermore, a second inclined portion is provided at the bottom of the second side piece, which is inclined toward the first sampling column.

[0010] Furthermore, a third inclined portion is provided on the top of the fourth side piece, which is inclined toward one side of the first sampling column.

[0011] Furthermore, a fourth inclined portion is provided at the bottom of the fourth side piece, which is inclined toward the second sampling column.

[0012] Compared with the prior art, the diverter resistant to alternating magnetic field interference of the present invention comprises a diverter plate, a first sampling unit and a second sampling unit; the diverter plate is provided with a first sampling hole, a second sampling hole and a middle opening, the first sampling hole, the second sampling hole and the middle opening are distributed in a horizontal direction, and the middle opening is located between the first sampling hole and the second sampling hole; a first sampling column is provided between the first sampling hole and the middle opening, and a second sampling column is provided between the middle opening and the second sampling hole; the first sampling unit comprises a first side piece, a first transverse connecting part, a second side piece and a first connecting part connected in sequence, the first side piece and the second side piece are both vertically arranged, the first transverse connecting part and the first side piece are vertically arranged, and the first transverse connecting part and the first side piece are vertically arranged. The first connection part is horizontally arranged, and the first connection part is connected to the first sampling column; the second sampling unit includes a third side piece, a second transverse connection part, a fourth side piece and a second connection part connected in sequence, the third side piece and the fourth side piece are arranged, the second transverse connection part and the second connection part are horizontally arranged, and the second connection part is connected to the second sampling column; the first side piece is located directly above the fourth side piece, and the third side piece is located directly above the second side piece; the top of the diverter plate abuts against the first transverse connection part and the second transverse connection part, the first side piece, the fourth side piece and the second connection part are located on the first side of the diverter plate, and the second side piece, the first connection part and the third side piece are located on the second side of the diverter plate. In this way, the induced magnetic fields cancel each other up and down and cancel each other left and right, and the ability to resist alternating magnetic field interference is strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The embodiments of the present invention are described below in conjunction with the accompanying drawings, wherein:

[0014] Figure 1A three-dimensional schematic diagram of a shunt for resisting alternating magnetic field interference provided by the present invention.

[0015] Figure 2 Schematic diagram of the explosion of the shunt resistant to alternating magnetic field interference provided by the present invention.

[0016] Figure 3 A side schematic diagram of a first viewing angle of a shunt for resisting alternating magnetic field interference provided by the present invention.

[0017] Figure 4 A side schematic diagram of a second viewing angle of the shunt for resisting alternating magnetic field interference provided by the present invention.

[0018] Figure 5 A side schematic diagram of the splitter for resisting alternating magnetic field interference provided by the present invention from a first viewing angle.

[0019] Figure 6 A side schematic diagram of the splitter for resisting alternating magnetic field interference provided by the present invention from a second viewing angle. DETAILED DESCRIPTION

[0020] The specific embodiments of the present invention are further described in detail below based on the accompanying drawings. It should be understood that the description of the embodiments of the present invention herein is not intended to limit the protection scope of the present invention.

[0021] Please refer to Figure 1 and Figure 2 The shunt device for resisting alternating magnetic field interference provided by the present invention includes a shunt plate 10 , a first sampling unit 21 , a second sampling unit 22 and an insulating limit mounting block 30 .

[0022] The manifold 10 is provided with a first sampling hole 11 , a second sampling hole 12 and a middle opening 13 . The first sampling hole 11 , the second sampling hole 12 and the middle opening 13 are horizontally distributed, and the middle opening 13 is located between the first sampling hole 11 and the second sampling hole 12 .

[0023] A first sampling column 111 is disposed between the first sampling hole 11 and the middle opening 13 , and a second sampling column 121 is disposed between the middle opening 13 and the second sampling hole 12 .

[0024] A mounting protrusion 14 is protruded upwardly from the top of the splitter plate 10 at positions corresponding to the first sampling column 111 and the second sampling column 121 .

[0025] The first sampling unit 21 includes a first side piece 211 , a first transverse connecting portion 212 , a second side piece 213 and a first connecting portion 214 which are connected in sequence.

[0026] The first side piece 211 and the second side piece 213 are both arranged vertically, the first transverse connecting portion 212 and the first connecting portion 214 are both arranged horizontally, and the first connecting portion 214 is connected to the first sampling column 111 by welding, riveting, screwing, etc.

[0027] Preferably, a first inclined portion 215 is provided at the top of the second side piece 213 slanting toward the second sampling hole 12 , and a second inclined portion 216 is provided at the bottom slanting toward the first sampling column 111 .

[0028] The second sampling unit 22 includes a third side piece 221 , a second transverse connecting portion 222 , a fourth side piece 223 and a second connecting portion 224 which are sequentially connected.

[0029] The third side piece 221 and the fourth side piece 223 are both arranged, the second transverse connecting portion 22 and the second connecting portion 224 are both arranged horizontally, and the second connecting portion 224 is connected to the second sampling column 121, such as by welding, riveting, screw connection, etc.

[0030] Preferably, a third inclined portion is provided at the top of the fourth side piece 223 and is inclined toward one side of the first sampling column 111 , and a fourth inclined portion is provided at the bottom of the fourth side piece 223 and is inclined toward the second sampling column 121 .

[0031] Please refer to Figure 3 The first side piece 211 is located directly above the fourth side piece 223, and the third side piece 221 is located directly above the second side piece 213. From a side view, the alternating magnetic field formed above the first transverse connecting portion 212 or the second transverse connecting portion 222 and the induced magnetic field formed below cancel each other out.

[0032] Please refer to Figure 4 , viewed from another side, the induced magnetic fields formed on both sides of the diverter plate 10 cancel each other out. In this way, the induced magnetic fields cancel each other out up and down and left and right.

[0033] A first positioning hole 31 and a second positioning hole 32 are respectively opened in the middle of the insulating limit mounting block 30 corresponding to the first side piece 211 and the third side piece 221 . The first positioning hole 31 is located above the first side piece 211 , and the second positioning hole 32 is located above the third side piece 221 .

[0034] The first side piece 211 and the third side piece 221 respectively pass through the first positioning hole 31 and the second positioning hole 32. The bottom surfaces of the two ends of the insulating limit mounting block 30 are respectively provided with two mounting grooves 33 or mounting holes 33 corresponding to the two mounting protrusions 14, and the two mounting protrusions 14 are respectively located in the two mounting grooves 33 or mounting holes 33.

[0035] During production and assembly, the insulating limiter mounting block 30 is first sleeved on the first side piece 211 of the first sampling unit 21 and the third side piece 221 of the second sampling unit 22 to form a combined kit. Then the combined kit is placed on the manifold 10, that is, the top of the manifold 10 abuts against the first transverse connecting portion 212 and the second transverse connecting portion 222, so that the first side piece 211, the fourth side piece 223 and the second connecting portion 224 are located on the first side of the manifold 10, and the second side piece 213, the first connecting portion 214 and the third side piece 221 are located on the second side of the manifold 10.

[0036] The first side piece 211 and the third side piece 221 are used to connect with slots provided on external electronic components, which are convenient for plugging and unplugging and realize quick connection.

[0037] Please refer to Figure 5 and Figure 6 , an upper equivalent loop is formed between the first side piece 211 and the third side piece 221 at the upper part, and a lower equivalent loop is formed between the fourth side piece 223 and the second side piece 213 at the lower part, as shown by the dotted line.

[0038] Compared with the prior art, the diverter resistant to alternating magnetic field interference of the present invention comprises a diverter plate 10, a first sampling unit 21, and a second sampling unit 22; the diverter plate 10 is provided with a first sampling hole 11, a second sampling hole 12, and a middle opening 13, the first sampling hole 11, the second sampling hole 12, and the middle opening 13 are distributed in the horizontal direction, and the middle opening 13 is located between the first sampling hole 11 and the second sampling hole 12; a first sampling column 111 is provided between the first sampling hole 11 and the middle opening 13, and a second sampling column 121 is provided between the middle opening 13 and the second sampling hole 12; the first sampling unit 21 comprises a first side piece 211, a first transverse connecting portion 212, a second side piece 213, and a first connecting portion 214 connected in sequence, the first side piece 211 and the second side piece 213 are both vertically arranged, and the first transverse connecting portion 212 and the first connecting portion 214 are both horizontally arranged. The first connection part 214 is connected to the first sampling column 111; the second sampling unit 22 includes a third side piece 221, a second transverse connection part 222, a fourth side piece 223 and a second connection part 224 connected in sequence, the third side piece 221 and the fourth side piece 223 are both arranged, the second transverse connection part 22 and the second connection part 224 are both arranged horizontally, and the second connection part 224 is connected to the second sampling column 121; the first side piece 211 is located directly above the fourth side piece 223, and the third side piece 221 is located directly above the second side piece 213; the top of the diverter plate 10 abuts against the first transverse connection part 212 and the second transverse connection part 222, the first side piece 211, the fourth side piece 223 and the second connection part 224 are located on the first side of the diverter plate 10, and the second side piece 213, the first connection part 214 and the third side piece 221 are located on the second side of the diverter plate 10. In this way, the induced magnetic fields cancel each other up and down and cancel each other left and right, and the ability to resist alternating magnetic field interference is strong.

[0039] The above are only preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention. Any modification, equivalent substitution or improvement within the spirit of the present invention is included in the scope of the claims of the present invention.

Claims

1. A shunt resistant to alternating magnetic field interference, characterized in that: The invention comprises a flow divider, a first sampling unit and a second sampling unit; the flow divider is provided with a first sampling hole, a second sampling hole and a middle opening, the first sampling hole, the second sampling hole and the middle opening are distributed in a horizontal direction, and the middle opening is located between the first sampling hole and the second sampling hole; a first sampling column is provided between the first sampling hole and the middle opening, and a second sampling column is provided between the middle opening and the second sampling hole; the first sampling unit comprises a first side piece, a first transverse connecting part, a second side piece and a first connecting part connected in sequence, the first side piece and the second side piece are both vertically arranged, the first transverse connecting part and the first connecting part are both horizontally arranged, and the first The connecting part is connected to the first sampling column; the second sampling unit includes a third side piece, a second transverse connecting part, a fourth side piece and a second connecting part which are connected in sequence, the third side piece and the fourth side piece are both vertically arranged, the second transverse connecting part and the second connecting part are both horizontally arranged, and the second connecting part is connected to the second sampling column; the first side piece is located directly above the fourth side piece, and the third side piece is located directly above the second side piece; the top of the diverter plate abuts against the first transverse connecting part and the second transverse connecting part, the first side piece, the fourth side piece and the second connecting part are located on the first side of the diverter plate, and the second side piece, the first connecting part and the third side piece are located on the second side of the diverter plate.

2. The shunt device for resisting alternating magnetic field interference as claimed in claim 1, characterized in that: It also includes an insulating limit mounting block; a first positioning hole and a second positioning hole are respectively opened in the middle of the insulating limit mounting block corresponding to the first side piece and the third side piece, and the first side piece and the third side piece pass through the first positioning hole and the second positioning hole respectively.

3. The shunt device for resisting alternating magnetic field interference as claimed in claim 2, characterized in that: The top of the diverter plate is provided with two mounting protrusions protruding upwards, and the bottom surfaces at both ends of the insulating limit mounting block are respectively provided with two mounting grooves or mounting holes corresponding to the two mounting protrusions, and the two mounting protrusions are respectively located in the two mounting grooves or mounting holes.

4. The shunt device for resisting alternating magnetic field interference as claimed in claim 3, characterized in that: The two mounting protrusions correspond to the first sampling column and the second sampling column respectively.

5. The shunt device for resisting alternating magnetic field interference as claimed in claim 1, characterized in that: A first inclined portion is provided on the top of the second side piece, which is inclined toward the second sampling hole.

6. The shunt device for resisting alternating magnetic field interference as claimed in claim 1, characterized in that: The bottom of the second side piece is provided with a second inclined portion inclined toward the first sampling column.

7. The shunt device for resisting alternating magnetic field interference as claimed in claim 1, characterized in that: A third inclined portion is arranged on the top of the fourth side piece, which is inclined toward one side of the first sampling column.

8. The shunt device for resisting alternating magnetic field interference as claimed in claim 1, characterized in that: The bottom of the fourth side piece is provided with a fourth inclined portion inclined toward the second sampling column.

Images