CN220855029U - Copper material resistance measuring device - Google Patents

Abstract

The utility model discloses a copper wire resistance measuring device which comprises a bottom plate and a digital resistance tester, wherein a second detecting device is arranged on the bottom plate, two groups of second detecting devices are transversely and symmetrically distributed on the bottom plate, the second detecting device comprises a copper wire winding part, a copper wire guiding part I and a copper wire guiding part II, and a winding center of the wire winding part, a guiding point of the wire guiding part I and a guiding point of the wire guiding part II form a triangle. The utility model solves the constraint that the conventional bridge resistance tester can only measure the wire resistance in a specific wire diameter range, does not need to purchase a plurality of resistance testers, and reduces the detection cost; meanwhile, the operation is convenient, a detector does not need to master the using methods of a plurality of devices, the error possibility is reduced, the fine line resistivity testing accuracy is improved, and the parallel connection method is adopted for the two sets of detection devices, so that the effect of measuring the resistance of copper alloy products with various specifications is realized.

Description

Copper material resistance measuring device

Technical Field

The utility model relates to the technical field of wire resistance measurement, in particular to a copper material resistance measurement device.

Background

The conductivity is an important performance index of copper and copper alloy, and in the production process, the production is often guided according to whether the value of the conductivity meets the requirement, the parameters of the process are optimized and adjusted, and the conductivity is generally measured to judge the quality of the conductivity of the alloy; at present, the copper and copper alloy wires are mostly detected by adopting a direct current bridge resistance measuring device, copper wires are fixed by clamps at two ends, and the resistance of copper wires with different wire diameters can be detected, but the bridge resistance measuring device has certain limitation, has requirements on the size specification of the wires, can only measure the resistance of the wires within a specific wire diameter range, is too small in size, is difficult to fix by the clamps, is easy to cause the contact non-fitting between the detection clamps and the wires, causes larger fluctuation of measured values, and causes larger detection errors; during detection, the wire rod position needs to be continuously adjusted, the efficiency is low, and real and effective data are difficult to obtain.

Therefore, we propose a copper resistance measuring device to solve the above problems.

Disclosure of utility model

The utility model aims to provide a copper wire resistance measuring device, which is used for solving the problems that the prior copper and copper alloy wires proposed in the background technology mostly adopt a direct current bridge resistance measuring device to detect resistance, copper wires are fixed by clamps at two ends, and the resistance of copper wires with different wire diameters can be detected; during detection, the position of the wire rod needs to be continuously adjusted, the efficiency is low, and real and effective data are difficult to obtain.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a copper material resistance measurement device, includes bottom plate and digital resistance tester, install second detection device on the bottom plate, second detection device transversely symmetric distribution has two sets of on the bottom plate, and second detection device includes wire winding piece, wire guide piece of copper first and wire guide piece of copper second, wire winding piece's wire winding center, wire guide piece's direction point and wire guide piece's direction point constitute triangle-shaped.

In a further embodiment, the wire winding piece is composed of a bolt and a square pad, a screw hole is formed in the position, corresponding to the wire winding piece, of the bottom plate, and after the bolt passes through the screw hole, a gap is kept between a cover cap of the bolt and the square pad.

In a further embodiment, the wire guide part one consists of a cylinder and a concave ring guide cylinder sleeved outside the cylinder.

In a further embodiment, the second wire guide is an arrow-shaped plate body, and the thickness of an arrow part of the arrow-shaped plate body is greater than that of a flat plate part of the arrow-shaped plate body.

In a further embodiment, the bottom plate is further provided with first detection devices which are transversely and symmetrically distributed, the first detection devices are parallel to the upper portion of the second detection device, and the first detection devices comprise a copper fixing clamp and a copper detection clamp.

In a further embodiment, the fixing clamp and the detecting clamp are identical in shape and structure, and are axially symmetrically distributed.

In a further embodiment, the fixing clamp and the detecting clamp comprise an upper pressing plate, a lower bottom plate and a through bolt, the upper pressing plate and the lower bottom plate are overlapped through the through bolt, and the contact surface of the upper pressing plate and the lower bottom plate is provided with a perforation.

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

The copper material resistance measuring device solves the constraint that the conventional bridge resistance tester can only measure the resistance of the wire in a specific wire diameter range, does not need to purchase a plurality of resistance testers, and reduces the detection cost; meanwhile, the operation is convenient, a detector does not need to master the using method of a plurality of devices, the error possibility is reduced, the fine wire resistivity testing accuracy is improved, the parallel connection method is adopted by two sets of detection devices, the effect of measuring the resistance of copper alloy products with various specifications is achieved, particularly when the fine wire resistivity with the specification phi of 0.10mm or below is required to be detected, the situation that wire contact is poor due to abrasion of the surface of a clamp is avoided, and the detection accuracy and efficiency are obviously improved.

Drawings

FIG. 1 is a schematic top view of the present utility model;

FIG. 2 is a schematic view of a fixing clamp according to the present utility model;

FIG. 3 is a schematic view of a structure of a detection fixture according to the present utility model;

Fig. 4 is a schematic view of a wire wound piece according to the present utility model;

fig. 5 is a schematic view of a wire guide according to the present utility model;

fig. 6 is a schematic view of a wire guide structure of the present utility model.

In the figure: 1. a bottom plate; 21. a fixing clamp; 23. detecting a clamp; 31. a wire wound piece; 41. a first wire guide; 51. wire guide two.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

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

Referring to fig. 1-3, a copper resistance measuring device includes a base plate 1, a digital resistance tester, and a first detecting device transversely symmetrically distributed on the base plate 1, wherein the first detecting device is composed of a copper fixing clamp 21 and a copper detecting clamp 23, the fixing clamp 21 and the detecting clamp 23 are positioned on the same horizontal line, the fixing clamp 21 and the detecting clamp 23 have the same shape and structure, the fixing clamp 21 and the detecting clamp 23 are axisymmetrically distributed, each are composed of an upper pressing plate, a lower bottom plate and a through bolt, the upper pressing plate and the lower bottom plate are overlapped through the through bolt, and a contact surface of the upper pressing plate and the lower bottom plate is provided with a through hole for a detected wire to pass through.

As shown in fig. 1, when the diameter is greater than 0.10mm, the first detection device is generally used for detecting the wire rod, the wire rod is straightened and sequentially fixed on the two fixing clamps 21 and the two detection clamps 23, and the resistance of the wire rod can be detected by pressing the corresponding range key through the digital resistance tester.

Here, the relationship among the base plate 1, the digital resistance tester, and the first detection device is the prior art.

Referring to fig. 1 and fig. 4-6, since the first detecting device has limitation in detecting the resistances of the wires with different diameters, a second detecting device is further installed on the base plate 1, and two groups of second detecting devices are laterally and symmetrically distributed on the base plate 1, wherein the second detecting device includes a copper wire winding piece 31, a copper wire guiding piece 41 and a copper wire guiding piece 51, the winding center of the wire winding piece 31, the guiding point of the wire guiding piece 41 and the guiding point of the wire guiding piece 51 form a triangle, the detected wire is firstly wound on the wire winding piece 31, then guided by the two wire guiding pieces 41 and 51, and finally, the wire winding piece 31, the wire guiding piece 41 and the wire guiding piece 51 form a triangle distribution on the other wire winding piece 31, so that the wire is more convenient to fix and the wire is pulled more straight.

Specifically, the wire winding piece 31 is composed of a bolt and a square pad, a screw hole is formed in the position, corresponding to the wire winding piece 31, of the bottom plate 1, after the bolt passes through the screw hole, a gap is kept between a cap of the bolt and the square pad, namely, the wire is wound on the bolt, after the bolt is wound, the bolt is turned into the screw hole, the wire is fixed, then the front end of the wire is guided through the wire guiding piece I41, the wire guiding piece I41 is composed of a cylinder and a concave ring guiding cylinder sleeved outside the cylinder, the wire is attached to the outside of the concave ring guiding cylinder, the detected wire is attached to the outside of the wire guiding piece II 51 after being guided by the wire guiding piece I41, the wire guiding piece II 51 is continuously guided by the wire guiding piece II 51, the thickness of the arrow part of the arrow-shaped plate is larger than that of the flat plate of the arrow-shaped plate, the detected wire is attached to the arrow part of the wire guiding piece II 51, and the sharp arrow part of the wire guiding piece II 51 is polished smoothly, so that safety accidents are prevented.

As shown in FIG. 1, when the wire with the specification phi of 0.10mm and below is detected by adopting a second detection device, one end of the wire is wound on a bolt, the bolt is screwed down for fixation, the wire is wound on a copper concave ring guide cylinder after being straightened, the wire is straightened to pass through a copper conical wire guide II 51 and a next wire guide II 51, the wire is wound on a copper wire guide I41, the wire is straightened to be fixedly wound on another bolt, and the resistance of the wire can be detected by pressing a corresponding range key through a digital resistance tester.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (7)

1. The utility model provides a copper material resistance measurement device, includes bottom plate (1) and digital resistance tester, its characterized in that: install second detection device on bottom plate (1), second detection device transversely symmetrically distributes two sets of on bottom plate (1), and second detection device includes wire rod winding piece (31) of copper, wire rod direction spare (41) of copper and wire rod direction spare two (51) of copper, the wire winding center of wire rod winding piece (31), the direction point of wire rod direction spare one (41) and the direction point of wire rod direction spare two (51) constitute triangle-shaped.

2. The copper material resistance measuring device according to claim 1, wherein: the wire winding piece (31) consists of a bolt and a square base plate, a screw hole is formed in the position, corresponding to the wire winding piece (31), of the bottom plate (1), and after the bolt passes through the screw hole, a gap is kept between a cover cap of the bolt and the square base plate.

3. The copper material resistance measuring device according to claim 1, wherein: the first wire guide piece (41) consists of a cylinder and a concave ring guide cylinder sleeved outside the cylinder.

4. The copper material resistance measuring device according to claim 1, wherein: the second wire guide piece (51) is an arrow-shaped plate body, and the thickness of an arrow part of the arrow-shaped plate body is larger than that of a flat plate part of the arrow-shaped plate body.

5. The copper material resistance measuring device according to claim 1, wherein: the base plate (1) is also provided with first detection devices which are transversely and symmetrically distributed, the first detection devices are parallel to the upper part of the second detection device, and each first detection device comprises a copper fixing clamp (21) and a copper detection clamp (23).

6. The copper material resistance measuring apparatus according to claim 5, wherein: the shape and the structure of the fixing clamp (21) and the detecting clamp (23) are the same, and the fixing clamp (21) and the detecting clamp (23) are axisymmetrically distributed.

7. The copper material resistance measuring apparatus according to any one of claims 5 to 6, wherein: the fixing clamp (21) and the detecting clamp (23) comprise an upper pressing plate, a lower bottom plate and a through bolt, the upper pressing plate and the lower bottom plate are overlapped through the through bolt, and a perforation is formed on the contact surface of the upper pressing plate and the lower bottom plate.