CN221077831U - Enclosed bus conductor temperature measurement structure - Google Patents

Abstract

The utility model provides a closed bus conductor temperature measurement structure, which comprises a temperature measurement leading-out head arranged on a shell of a closed bus, wherein the shell is provided with a threaded hole, one end of a fixing clamp of the temperature measurement leading-out head is in threaded connection with the threaded hole, the fixing clamp is provided with a central internal threaded hole, one end of an infrared probe of the temperature measurement leading-out head is in threaded connection with the central internal threaded hole, and the other end of the infrared probe is provided with a signal optical cable; the temperature measuring lead head is in threaded connection with the fixing clamp and the fixing clamp is in threaded connection with the shell, the fixing mode is reliable, and the disassembly and the replacement are convenient; on the premise of not damaging the tightness, the real-time temperature measurement of the conductor of the enclosed bus is realized; the temperature measuring lead head is not in direct contact with the shell, is not influenced by the current of the shell, and has strong electromagnetic interference resistance.

Description

Enclosed bus conductor temperature measurement structure

Technical Field

The utility model relates to the technical field of conductor temperature measurement, in particular to a closed bus conductor temperature measurement structure.

Background

The enclosed bus is widely applied to power transmission occasions with current-carrying capacity exceeding 4000A, and is important to monitor the temperature of a conductor in a bus shell due to large passing current. Because the enclosed bus shell needs to flow a larger current during normal operation, larger interference can be generated on the electric signal of the common temperature measuring resistor, and inaccurate temperature measurement is caused. Some power stations adopt germanium glass arranged on a shell, temperature measurement is periodically carried out through an infrared temperature measuring gun, temperature data cannot be obtained in real time by the method, labor cost is required, and the infrared temperature measuring probe is directly or indirectly fixed on a bus shell to measure the temperature, so that the infrared temperature measuring probe is easily damaged due to the fact that the infrared temperature measuring probe is impacted by the instantaneous voltage of the bus shell, or the fixing mode is difficult to operate and difficult to disassemble.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art, and provides a closed bus conductor temperature measurement structure which can solve the problems that the fixing mode is difficult to operate and difficult to assemble and disassemble when an infrared temperature measurement probe is fixed on a bus shell in the prior art.

For this purpose, the utility model adopts the following technical scheme:

The utility model provides a closed busbar conductor temperature measurement structure, includes the temperature measurement draws the head on the shell of closed busbar that sets up, is equipped with the screw hole on the shell, the temperature measurement draws the head including infrared probe and fixing clip, fixing clip one end threaded connection in screw hole, the fixing clip is equipped with central internal thread hole, infrared probe one end threaded connection in central internal thread hole, the other end of infrared probe is equipped with signal optical cable.

On the basis of adopting the technical scheme, the utility model can also adopt the following further technical schemes or use the further technical schemes in combination:

The fixing clamp is composed of two cylinders with different diameters, the section of the fixing clamp is T-shaped, the cylinder forming the lower part of the T-shaped is a bulge, and the surface of the bulge is provided with external threads and is in threaded connection with the threaded hole.

The diameter of the bulge is smaller than that of the cylinder forming the T-shaped upper part, and the connection surface of the cylinder forming the T-shaped upper part and the bulge forms a pressing surface of the fixing clamp.

One end of the infrared probe for measuring temperature is simultaneously positioned in the fixing card and the shell and is not in contact with the shell, the other end of the infrared probe is also in threaded connection with a nut of the temperature measuring leading head, and the nut is in butt joint with the fixing card.

The shell top has the ear, fixedly connected with optical cable card on the ear, the signal optical cable passes optical cable card and pass through optical cable card is fixed in on the ear.

One end of the signal optical cable is connected with the infrared probe, and the other end of the signal optical cable is connected into the signal box.

And an included angle a between the temperature measuring leading-out head and the optical cable clamp is 30-45 degrees.

Compared with the prior art, the utility model has the following advantages: the temperature measuring lead head is in threaded connection with the fixing clamp and the fixing clamp is in threaded connection with the shell, the fixing mode is reliable, and the disassembly and the replacement are convenient; on the premise of not damaging the tightness, the real-time temperature measurement of the conductor of the enclosed bus is realized; the temperature measuring lead head is not in direct contact with the shell, is not influenced by the current of the shell, and has strong electromagnetic interference resistance.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is an enlarged schematic view at a in fig. 1.

Fig. 3 is an enlarged schematic view at B in fig. 1.

Detailed Description

For a better understanding of the technical solutions of the present utility model by those skilled in the art, a preferred embodiment of the present utility model is described below with reference to specific examples, which are illustrated in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar functional elements throughout, but it is understood that the drawings are for illustrative purposes only and are not to be construed as limiting the utility model; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted in order to illustrate the utility model only and not to limit the utility model.

The utility model is further illustrated by the following figures and examples, which are not intended to be limiting.

The utility model provides a temperature measuring structure of a conductor of a closed bus, which comprises a temperature measuring leading head 3 arranged on a shell 2 of the closed bus, wherein a threaded hole 21 is formed in the shell 2, the temperature measuring leading head 3 comprises an infrared probe 31 and a fixing clamp 33, one end of the fixing clamp 33 is in threaded connection with the threaded hole 21, the fixing clamp 33 is provided with a central internal threaded hole, one end of the infrared probe 31 is in threaded connection with the central internal threaded hole, and the other end of the infrared probe 31 is provided with a signal optical cable 5.

The inside of the shell 2 of the enclosed bus is the conductor 1 needing temperature measurement, in this embodiment, three enclosed buses are provided, and the shell 2 of each enclosed bus is provided with a temperature measurement leading head respectively.

The threaded hole 21 may be a through hole or a blind hole, and the threaded hole 21 in this embodiment is a through hole.

The fixing clip 33 is formed by two cylinders with different diameters and has a T-shaped cross section, wherein the cylinder forming the lower part of the T-shape is a protrusion 331, and the surface of the protrusion 331 is provided with external threads and is in threaded connection with the threaded hole 21.

The diameter of the protrusion 331 is smaller than that of the cylinder constituting the T-shaped upper portion, and the connection surface of the cylinder constituting the T-shaped upper portion and the protrusion 331 forms a pressing surface of the fixing clip 33.

The height of the boss 331 in this embodiment is about one-half the height of the threaded bore 21; the abutment surface of the fixing clip 33 is used to abut against the outer surface of the housing 2 to ensure that the protrusion 331 is screwed into the threaded hole 21 to a suitable depth.

One end of the infrared probe 31 for measuring temperature is simultaneously positioned in the fixing card 33 and the shell 2 and is not in contact with the shell 2, the other end of the infrared probe 31 is also in threaded connection with a nut 32 of the temperature measuring leading head 3, and the nut 32 is abutted against the fixing card 33.

The infrared probe 31 is screwed into the central internal threaded hole of the fixing clip 33, the central internal threaded hole penetrates through the fixing clip 33, and the boss 331 of the fixing clip 33 is screwed into the threaded hole 21 of the housing 2, so that the central internal threaded hole and the threaded hole 21 of the housing 2 have a coincident part; the depth of the infrared probe 31 screwed into the central internal threaded hole is slightly smaller than the through length of the central internal threaded hole, but the infrared probe is still partially overlapped with the threaded hole 31, namely, one end of the infrared probe 31 for measuring the temperature is positioned inside the shell 2 so as to ensure the accuracy of measuring the temperature.

The lug 4 is arranged right above the shell 2, the optical cable clamp 6 is fixedly connected to the lug 4, and the signal optical cable 5 passes through the optical cable clamp 6 and is fixed on the lug 4 through the optical cable clamp 6.

One end of the signal optical cable 5 is connected with the infrared probe 31, and the other end is connected into the signal box 7.

The temperature measurement signal of the infrared probe 31 is transmitted to the signal box 7 through the signal optical cable 5.

The included angle a between the temperature measuring lead-out head 3 and the optical cable clamp 6 is 30-45 degrees.

In this embodiment, the included angle a between the temperature measuring head 3 and the cable clamp 6 is 45 °.

One skilled in the art can readily make or use a closed bus conductor temperature measurement structure in accordance with the description of the present utility model and the accompanying drawings, and can produce the positive effects described herein.

It is noted that the terms "comprising" and "having" and any variations thereof in the description of the utility model and the claims and the foregoing drawings are intended to cover non-exclusive inclusions. The terms "mounted," "configured," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two mechanisms, elements, or components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present utility model, it should be understood that the terms "one end," "another end," "outer side," "inner side," "horizontal," "end," "length," "outer end," "left," "right," and the like indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the mechanisms or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. The terms "first," "second," and the like, are also used for simplicity of description only and are not indicative or implying relative importance.

Furthermore, variations to the disclosed embodiments can be understood and effected by those skilled in the art in practicing the claimed utility model, from a study of the drawings, the disclosure, and the appended claims. Furthermore, in the claims, the specification, the words "comprise", "comprising", and the like do not exclude other elements or steps, and the non-plural terms do not exclude a plurality.

The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, i.e. all equivalent changes and modifications that may be made in accordance with the present utility model are covered by the appended claims, which are not intended to be construed as limiting.

Claims (7)

1. The utility model provides a closed busbar conductor temperature measurement structure, its characterized in that, including setting up temperature measurement draws head (3) on closed busbar's shell (2), be equipped with screw hole (21) on shell (2), temperature measurement draws head (3) including infrared probe (31) and fixing clip (33), fixing clip (33) one end threaded connection in screw hole (21), fixing clip (33) are equipped with central internal thread hole, infrared probe (31) one end threaded connection in central internal thread hole, the other end of infrared probe (31) is equipped with signal optical cable (5).

2. A closed busbar conductor temperature measurement structure according to claim 1, wherein the fixing clip (33) is formed by two cylinders with different diameters and is T-shaped in cross section, wherein the cylinder forming the lower part of the T-shape is a protrusion (331), and the surface of the protrusion (331) is provided with external threads and is in threaded connection with the threaded hole (21).

3. A closed busbar conductor temperature measurement structure according to claim 2, wherein the diameter of the boss (331) is smaller than that of a cylinder constituting a T-shaped upper portion, and a pressing surface of the fixing clip (33) is formed at a junction surface of the cylinder constituting the T-shaped upper portion and the boss (331).

4. A closed busbar conductor temperature measurement structure according to claim 1, wherein one end of the infrared probe (31) for measuring temperature is located inside the fixing card (33) and the casing (2) at the same time and is not in contact with the casing (2), the other end of the infrared probe (31) is further connected with a nut (32) of the temperature measurement leading head (3) in a threaded manner, and the nut (32) is abutted against the fixing card (33).

5. A closed busbar conductor temperature measurement structure according to claim 1, wherein an ear (4) is arranged above the housing (2), an optical cable card (6) is fixedly connected to the ear (4), and the signal optical cable (5) passes through the optical cable card (6) and is fixed to the ear (4) through the optical cable card (6).

6. A closed busbar conductor temperature measurement structure according to claim 1 or 5, wherein one end of the signal cable (5) is connected to the infrared probe (31) and the other end is connected to the signal box (7).

7. The enclosed busbar conductor temperature measurement structure according to claim 5, wherein an included angle a between the temperature measurement lead (3) and the optical cable card (6) is 30-45 °.