CN218298348U

CN218298348U - Shunt with anti-interference structure

Info

Publication number: CN218298348U
Application number: CN202222379411.9U
Authority: CN
Inventors: 沈铃玲; 沈筠凯; 陈天慧; 沈方娴; 刘帅; 朱天乐; 沈佳成; 季崔铤
Original assignee: Shanghai Songyuan Network Technology Development Co ltd
Current assignee: Shanghai Songyuan Network Technology Development Co ltd
Priority date: 2022-09-07
Filing date: 2022-09-07
Publication date: 2023-01-13
Anticipated expiration: 2032-09-07

Abstract

The utility model discloses a shunt with anti-interference structure, including the purple copper body, vertical structure and installation component, the top fixed mounting of the purple copper body has vertical structure, vertical structure's outer wall fixed mounting has transverse structure, the top fixed mounting of the purple copper body has the support frame, the one end fixed mounting that vertical structure was kept away from to the support frame has the pipe of bending, the outer wall of the purple copper body runs through and is equipped with the through-hole. The utility model discloses an install transverse structure, vertical structure, transverse structure and vertical structure fixed connection, form the wiring pin of falling "L" shape sampling line, be connected to transverse structure with the sampling line, each other hank twine the back and reduce the distance between the sampling line root, the distance reduces, the scope of being disturbed by magnetic field reduces, set up perpendicularly with transverse structure through the terminal, make power frequency magnetic field offset each other, set up symmetrical through-hole through the outer wall at the manganese copper body, offset the magnetic field interference of shunt itself, improve anti-interference effect, in order to improve measurement accuracy.

Description

Shunt with anti-interference structure

Technical Field

The utility model relates to a shunt technical field specifically is a shunt with anti-interference structure.

Background

The shunt is an instrument for measuring direct current, and is manufactured according to the principle that voltage is generated at two ends of a resistor when direct current passes through the resistor, the shunt is widely applied to an electronic electric energy meter, the shunt is generally used for sampling the power supply voltage and current of a user in real time, the traditional shunt adopts a sampling line to sample the voltage flowing through a manganin shunt, the current is sampled, the traditional welding direction of the manganin shunt is welding along the direction of a manganin sampling pin, the distance of the bottom end of the sampling line is larger, the distance is larger, the range interfered by a magnetic field is enlarged, and the shunt is easily interfered by the magnetic field.

The existing flow divider has the following defects:

patent document CN211293007U discloses a manganese-copper shunt resistant to electromagnetic interference, and the protection right comprises a conducting sheet, a manganese-copper sheet and an alternating magnetic field shielding case; the conducting plate and the manganin plate are arranged in the alternating magnetic field shielding case; the conducting strips comprise a first conducting strip and a second conducting strip, and the first conducting strip, the manganese copper sheet and the second conducting strip are sequentially connected and positioned on the same plane; the middle part of the manganese copper sheet is provided with a through hole, and the upper end and the lower end of the manganese copper sheet are respectively provided with a first connecting end and a second connecting end; the first connecting end is fixedly connected with the first signal wire, the second connecting end is fixedly connected with the second signal wire, the second signal wire penetrates through the through hole and is wound together with the first signal wire, and two ends of the twisted part of the first signal wire and the second signal wire are fixed through a heat-shrinkable sleeve. Anti worker magnetic interference's manganin shunt, solved the manganin shunt and received the problem that worker magnetic interference leads to electronic type electric energy meter measurement accuracy to reduce.

The patent document provides a manganese-copper shunt of anti worker magnetic interference, needs to be provided with the through-hole in manganese-copper piece middle part to set up the sampling line in both sides, make sampling line length longer, improved manufacturing cost.

Under thinking, can study a shunt with anti-interference structure, through being provided with transverse structure, vertical structure and through-hole, weaken the influence of magnetic field to the shunt, improve the anti-interference effect of shunt.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shunt with anti-interference structure to solve the problem that the shunt that proposes among the above-mentioned background art is disturbed by magnetic field easily.

In order to achieve the above object, the utility model provides a following technical scheme: a shunt with an anti-interference structure comprises a red copper body, a vertical structure and a mounting assembly, wherein the vertical structure is fixedly mounted at the top of the red copper body;

a transverse structure is fixedly installed on the outer wall of the vertical structure, a supporting frame is fixedly installed at the top of the red copper body, the outer wall of the supporting frame is fixedly connected with the outer wall of the vertical structure, a bending pipe is fixedly installed at one end, away from the vertical structure, of the supporting frame, a sampling line is welded on the outer wall of the transverse structure and penetrates through the inner wall of the bending pipe, and a through hole is formed in the outer wall of the red copper body in a penetrating mode;

and a binding post is fixedly arranged at the top of the red copper body.

Preferably, the outer wall of the red copper body is fixedly connected with a manganese copper body.

Preferably, the top end of the binding post is fixedly connected with a lead, and the lead is used for connecting a load.

Preferably, the outer walls of the red copper body and the manganese copper body are fixedly provided with an installation box, and the outer wall of the installation box is provided with a rectangular hole.

Preferably, the outer wall fixed mounting of install bin has the installation component, and the outer wall of installation component runs through and is equipped with the spout, and the inner wall fixed mounting of spout has the spring, the other end fixedly connected with connecting rod of spring, and the connecting rod runs through the outer wall of install bin.

Preferably, the outer wall fixed mounting of connecting rod has the extrusion piece, and the bottom fixed mounting of connecting rod has the fixture block, and the inner wall bottom of install bin is equipped with the recess.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an install transverse structure, vertical structure, a through-hole, transverse structure and vertical structure fixed connection, form the wiring pin of falling "L" shape sampling line, be connected to transverse structure with the sampling line, each other hank and twine the back and reduce the distance between the sampling line root, the distance reduces, the scope of being disturbed by magnetic field reduces, set up perpendicularly with transverse structure through the terminal, make power frequency magnetic field offset each other, improve anti-interference effect, set up the symmetry through-hole through the outer wall at the manganin body, can offset the magnetic field interference of shunt itself, improve anti-interference effect, improve the measurement accuracy of shunt.

2. The utility model discloses an install the installation component, with both sides extrusion piece inwards promotion, drive the connecting rod along spout inward movement, the connecting rod drives the fixture block inward movement, make the fixture block retract along the rectangular hole, go into the mounting groove of electric energy meter inner wall with shunt bottom card again, the installation is accomplished the back, loosen the extrusion piece, under the drive of spring, drive the connecting rod and outwards remove, it stretches out to promote the fixture block, make the fixture block card go into in the draw-in groove, accomplish the installation of shunt, through setting up the installation component, make the installation and the dismantlement of shunt become convenient.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic front structural view of the present invention;

FIG. 3 is a schematic view of the structure of the bending pipe of the present invention;

fig. 4 is a schematic view of a part of the structure of the mounting assembly of the present invention.

In the figure: 1. a red copper body; 101. a manganese-copper body; 2. a vertical structure; 201. a lateral structure; 202. a support frame; 203. bending the pipe; 204. sampling lines; 205. a through hole; 3. a binding post; 301. a wire; 4. installing a box; 401. a rectangular hole; 5. mounting the component; 501. a chute; 502. a spring; 503. a connecting rod; 504. extruding the block; 505. a clamping block; 506. and (4) a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 and 2, a shunt with an anti-interference structure comprises a red copper body 1, vertical structures 2 and an installation assembly 5, wherein the vertical structures 2 are fixedly installed at the top of the red copper body 1, the manganin body 101 is fixedly connected to the outer wall of the red copper body 1, the installation groups of the red copper body 1 are in a group and are respectively fixedly connected with the outer walls of two sides of the manganin body 101, a binding post 3 is fixedly installed at the top of the red copper body 1 on the left side, a lead 301 is fixedly connected to the top end of the binding post 3, the lead 301 is used for connecting a load, an installation box 4 is fixedly installed on the outer walls of the red copper body 1 and the manganin body 101, rectangular holes 401 are formed in the outer wall of the installation box 4, the number of the rectangular holes 401 is three groups, and the installation boxes are uniformly arranged along the length direction of the installation box 4.

Referring to fig. 2 and 4, a transverse structure 201 is fixedly mounted on the outer wall of a vertical structure 2, a support frame 202 is fixedly mounted on the top of a red copper body 1, the outer wall of the support frame 202 is fixedly connected with the outer wall of the vertical structure 2, a bending tube 203 is fixedly mounted at one end of the support frame 202 far away from the vertical structure 2, a sampling line 204 is welded on the outer wall of the transverse structure 201, the sampling line 204 penetrates through the inner wall of the bending tube 203, the number of the support frame 202 and the number of the bending tubes 203 are two, the support frame 202 and the bending tubes 203 are symmetrically mounted, a through hole 205 is formed in the outer wall of the red copper body 1, the transverse structure 201 is fixedly connected with the vertical structure 2 to form wiring pins of the inverted L-shaped sampling line 204, the number of the wiring pins is one group, along the manganin body 101 symmetric distribution, pass the pipe 203 of bending respectively with sampling line 204, and be connected sampling line 204 near the one end of the copper body 1 and the one end of transverse structure 201, sampling line 204 spiral winding again, through installation vertical structure 2 and transverse structure 201, make the distance between the both sides sampling line 204 root reduce, the distance reduces, the scope of being disturbed by the magnetic field reduces, the anti-interference effect of shunt has been improved, set up perpendicularly with transverse structure 201 through terminal 3, make the power frequency magnetic field offset each other, improve the anti-interference effect of shunt, through setting up symmetrical through-hole 205 at the outer wall of manganin body 101, can offset the magnetic field interference of shunt itself, improve the anti-interference effect, in order to improve measurement accuracy.

Referring to fig. 1 and 4, an installation assembly 5 is fixedly installed on an outer wall of an installation box 4, a sliding groove 501 is formed in the outer wall of the installation assembly 5 in a penetrating manner, a spring 502 is fixedly installed on an inner wall of the sliding groove 501, the other end of the spring 502 is fixedly connected with a connecting rod 503, the connecting rod 503 penetrates through the outer wall of the installation box 4, the outer wall of the connecting rod 503 is embedded in the inner wall of the sliding groove 501, an extrusion block 504 is fixedly installed on the outer wall of the connecting rod 503, the outer wall of the extrusion block 504 is attached to the outer wall of the installation assembly 5, a fixture block 505 is fixedly installed at the bottom of the connecting rod 503, a groove 506 is formed in the bottom of the inner wall of the installation box 4, the outer wall of the fixture block 505 is attached to the inner wall of the groove 506, the groove 506 plays a guiding role on the fixture block 505, the extrusion blocks 504 on two sides are pushed inwards, the connecting rod 503 is driven to move inwards along the sliding groove 501, the fixture block 505 is driven to move inwards by the connecting rod 503, the fixture block 505 is driven by the connecting rod 503 to retract along a rectangular hole 401, the fixture block 505 to be clamped into the inner wall of the installation box 401, after the installation is completed, the installation block 504 is loosened, the shunt is driven by the spring 502 to move outwards, the fixture block 505 to be clamped into the installation assembly 505 to be clamped into the installation box 505, and the installation assembly 5 is convenient to be disassembled, and the shunt to be disassembled.

The theory of operation, the during operation is installed the shunt in the mounting groove of electric energy meter through installation component 5, passes through wire 3 with the load and is connected to terminal 301 top, passes sampling line 204 from the inner wall of the pipe 203 that bends, with the outer wall connection of the one end of sampling line 204 and transverse structure 201, connects the back, with sampling line 204 spiral winding, reduces the distance between the both sides sampling line 204, reduces magnetic field interference.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a shunt with anti-interference structure, includes the purple copper body (1), vertical structure (2) and installation component (5), its characterized in that: a vertical structure (2) is fixedly arranged at the top of the red copper body (1);

a transverse structure (201) is fixedly installed on the outer wall of the vertical structure (2), a support frame (202) is fixedly installed at the top of the red copper body (1), the outer wall of the support frame (202) is fixedly connected with the outer wall of the vertical structure (2), a bending pipe (203) is fixedly installed at one end, away from the vertical structure (2), of the support frame (202), a sampling line (204) is welded on the outer wall of the transverse structure (201), the sampling line (204) penetrates through the inner wall of the bending pipe (203), and a through hole (205) is formed in the outer wall of the red copper body (1) in a penetrating mode;

and a binding post (3) is fixedly arranged at the top of the red copper body (1).

2. The shunt with anti-tamper structure according to claim 1, wherein: the outer wall of the red copper body (1) is fixedly connected with a manganese copper body (101).

3. The shunt with anti-tamper structure according to claim 1, wherein: the top end of the binding post (3) is fixedly connected with a lead (301).

4. The shunt with interference rejection feature of claim 1, wherein: the outer walls of the red copper body (1) and the manganin body (101) are fixedly provided with an installation box (4), and the outer wall of the installation box (4) is provided with a rectangular hole (401).

5. The shunt with interference rejection feature of claim 4, wherein: the outer wall fixed mounting of install bin (4) has installation component (5), and the outer wall of installation component (5) runs through and is equipped with spout (501), and the inner wall fixed mounting of spout (501) has spring (502), the other end fixedly connected with connecting rod (503) of spring (502), and connecting rod (503) run through the outer wall of install bin (4).

6. The shunt with interference rejection feature of claim 5, wherein: the outer wall of the connecting rod (503) is fixedly provided with an extrusion block (504), the bottom of the connecting rod (503) is fixedly provided with a clamping block (505), and the bottom of the inner wall of the mounting box (4) is provided with a groove (506).