Cable circulation monitoring device

Abstract

The utility model discloses a cable circulating current monitoring device, comprising a pedestal in which an accommodating cavity is defined; the current transformer is arranged on the base, and a through hole is formed in the current transformer, so that a wire harness can pass through the through hole; the fixing piece is arranged on the base, a through fixing groove is formed in the fixing piece, the aperture size of the fixing groove can be adjusted, and the fixing groove is used for fixing wire harnesses of different sizes penetrating through the current transformer. According to the cable circulation monitoring device, the current transformer and the fixing piece are respectively arranged on the base, the wire harness is fixed through the fixing piece, and installation is convenient and fast. And meanwhile, the size of the fixing groove in the fixing piece is adjustable, so that the wire harness fixing piece is suitable for wire harnesses with different thicknesses, and the universality is good.

Description

Technical Field

[0001] The utility model relates to the technical field of circulating current monitoring, and more specifically to a cable circulating current monitoring device. Background Art

[0002] In the prior art, the monitoring of high-voltage cable circulation is usually achieved by installing a grounding box on the grounding wire of the coaxial cable of the cable sheath, and the grounding box is powered by inductive power. However, the prior art solution requires power off for installation, and there are problems such as installation difficulties. A set of equipment can only be adapted to a fixed type of connection wire, and the adaptability is poor. Utility Model Content

[0003] One purpose of the utility model is to provide a new technical solution for a cable circulation monitoring device, which can at least solve the problems of poor adaptability and troublesome installation in the prior art.

[0004] The utility model provides a cable circulation monitoring device, comprising: a base, wherein a accommodating cavity is defined in the base; a current transformer, wherein the current transformer is arranged on the base, and the current transformer is provided with a through hole for a wire harness to pass through; a fixing member, wherein the fixing member is arranged on the base, and the fixing member is provided with a through fixing groove, wherein the aperture size of the fixing groove is adjustable, and the fixing groove is used to fix wire harnesses of different sizes passing through the current transformer.

[0005] Optionally, the fixing member is a rubber member, and the fixing member includes:

[0006] A fixing portion, wherein the fixing groove is provided in the fixing portion, and the top of the fixing groove is open;

[0007] The clamping part is arranged on the fixing part, the clamping part can open or close the fixing groove, and the clamping position of the clamping part on the fixing part is adjustable to adjust the size of the fixing groove.

[0008] Optionally, first latching teeth are provided on the inner wall surface of the fixing groove, and the first latching teeth are distributed along the inner wall of the fixing groove.

[0009] Optionally, a cross-sectional width of a bottom wall of the fixing groove is smaller than a cross-sectional width of a side of the fixing groove facing the clamping portion.

[0010] Optionally, a second locking tooth is provided on an outer side wall of the fixing portion, the locking portion is a buckle, and the buckle is connected to the second locking tooth.

[0011] Optionally, the second latching teeth are distributed along the height direction on the outer side wall of the fixing portion.

[0012] Optionally, the base includes a cover body and a shell, the cover body is disposed on the shell, and the current transformer and the fixing member are spaced apart and disposed opposite to each other on the cover body.

[0013] Optionally, an installation cavity is provided in the shell, and a battery and a control board are provided in the installation cavity. The battery is used to power the control board, and the control board is connected to the current transformer signal to transmit data.

[0014] Optionally, a waterproof pad is provided on the bottom wall of the shell.

[0015] Optionally, the current transformer is screwed to the base, the fixing piece is screwed to the cover, and the cover is screwed to the housing.

[0016] The cable circulation monitoring device of the utility model is provided with a current transformer and a fixing part on the base, and the wiring harness is fixed by the fixing part, so the installation is convenient and quick. At the same time, the size of the fixing groove in the fixing part is adjustable, so it is convenient to adapt to wiring harnesses of different thicknesses, and the versatility is good.

[0017] Other features and advantages of the present invention will become apparent from the following detailed description of exemplary embodiments of the present invention with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the present invention and, together with the description, serve to explain the principles of the present invention.

[0019] Figure 1 It is a structural schematic diagram of a cable circulation monitoring device according to an embodiment of the utility model;

[0020] Figure 2 It is a structural explosion diagram of a cable circulation monitoring device according to an embodiment of the utility model.

[0021] Reference numerals:

[0022] Base 10; cover 11; housing 12;

[0023] Current transformer 20; through hole 21;

[0024] Fixing member 30; fixing portion 31; locking portion 32; fixing groove 33; first locking tooth 34; second locking tooth 35;

[0025] Battery 41; control board 42; waterproof pad 43. DETAILED DESCRIPTION

[0026] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that unless otherwise specifically stated, the relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention.

[0027] The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the present invention, its application, or uses.

[0028] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered as part of the specification.

[0029] In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not limiting. Therefore, other examples of the exemplary embodiments may have different values.

[0030] It should be noted that like reference numerals and letters refer to similar items in the following figures, and therefore, once an item is defined in one figure, it need not be further discussed in subsequent figures.

[0031] The cable circulation monitoring device according to the embodiment of the utility model is described in detail below with reference to the accompanying drawings.

[0032] like Figure 1 and Figure 2 As shown, the cable circulating current monitoring device according to the embodiment of the utility model includes a base 10 , a current transformer 20 and a fixing member 30 .

[0033] Specifically, a receiving cavity is defined in the base 10. The current transformer 20 is disposed on the base 10, and the current transformer 20 is provided with a through hole 21 for the wire harness to pass through. The fixing member 30 is disposed on the base 10, and the fixing member 30 is provided with a through fixing groove 33, the aperture size of the fixing groove 33 is adjustable, and the fixing groove 33 is used to fix the wire harnesses of different sizes passing through the current transformer 20.

[0034] In other words, if Figure 1 and Figure 2As shown, the cable circulating current monitoring device according to the embodiment of the utility model is mainly composed of a base 10, a current transformer 20 and a fixing part 30. Among them, a accommodating cavity is arranged in the base 10. The current transformer 20 is mounted on the base 10, and the current transformer 20 is provided with a through hole 21, and the through hole 21 passes through along the thickness direction of the current transformer 20, and the wiring harness can pass through the through hole 21. It should be noted that the circulating current of the cable refers to the current generated on its outer conductor (usually a metal sheath) by the current passing through the cable. The circulating current can cause heating and energy loss of the cable, and affect the current carrying capacity and service life of the power system. The cable circulating current monitoring device of the utility model can monitor the circulating current of the cable.

[0035] like Figure 1 and Figure 2 As shown, the fixing member 30 is installed on the base 10, and a through fixing groove 33 is provided on the fixing member 30, and the aperture size of the fixing groove 33 can be adjusted. The wiring harness is fixed by the fixing member 30, and the installation is convenient and quick. The fixing groove 33 is mainly used to fix the wiring harness passing through the current transformer 20. By adjusting the size of the fixing groove 33, it can be ensured that the fixing member 30 is adapted to wiring harnesses of different sizes, thereby improving versatility.

[0036] Therefore, according to the cable circulation monitoring device of the embodiment of the utility model, the current transformer 20 and the fixing member 30 are respectively provided on the base 10, and the wiring harness is fixed by the fixing member 30, which is convenient and quick to install. At the same time, the size of the fixing groove 33 in the fixing member 30 is adjustable, which is convenient for adapting to wiring harnesses of different thicknesses, and has good versatility.

[0037] According to an embodiment of the present invention, the fixing member 30 is a rubber member, and the fixing member 30 includes a fixing portion 31 and a clamping portion 32 .

[0038] Specifically, a fixing groove 33 is provided in the fixing portion 31, and the top of the fixing groove 33 is open. The clamping portion 32 is provided on the fixing portion 31, and the clamping portion 32 can open or close the fixing groove 33, and the clamping position of the clamping portion 32 on the fixing portion 31 is adjustable to adjust the size of the fixing groove 33.

[0039] That is to say, Figure 1 and Figure 2As shown, the fixing member 30 can be integrally formed of a rubber material, and the rubber has good elastic properties. The fixing member 30 is mainly composed of a fixing portion 31 and a clamping portion 32. Among them, a fixing groove 33 is arranged in the fixing portion 31, and the top of the fixing groove 33 is open. The fixing groove 33 can be arranged into a similar U-shaped groove. The clamping portion 32 is installed on the fixing portion 31, and the clamping portion 32 can open or close the fixing groove 33. And the clamping position of the clamping portion 32 on the fixing portion 31 can be adjusted. By adjusting the clamping position of the clamping portion 32 on the fixing portion 31, the size of the fixing groove 33 can be adjusted, so that the fixing member 30 can be adapted to different thicknesses of connecting wires, thereby improving the adaptability of the point cable circulation monitoring device.

[0040] In some specific embodiments of the present invention, a first latching tooth 34 is provided on the inner wall surface of the fixing groove 33, and the first latching tooth 34 is distributed along the inner wall of the fixing groove 33. The cross-sectional width of the bottom wall of the fixing groove 33 is smaller than the cross-sectional width of the side of the fixing groove 33 facing the clamping portion 32. A second latching tooth 35 is provided on an outer side wall of the fixing portion 31, and the clamping portion 32 is a buckle, which is connected to the second latching tooth 35. The second latching tooth 35 is distributed along the height direction on the outer side wall of the fixing portion 31.

[0041] In other words, Figure 1 and Figure 2 As shown, a first latching tooth 34 is provided on the inner wall surface of the fixing groove 33, wherein the first latching tooth 34 can be distributed along the inner wall of the fixing groove 33. The cross-sectional width of the bottom wall of the fixing groove 33 is designed to be smaller than the cross-sectional width of the side of the fixing groove 33 facing the clamping portion 32 (top opening). The first latching tooth 34 of the fixing groove 33 is arranged to be gradually increased from the bottom wall of the fixing groove 33 upward, so that the fixing member 30 can be adapted to wire harnesses of different sizes. A second latching tooth 35 is provided on an outer side wall of the fixing portion 31, and the clamping portion 32 can be designed as a buckle, and the buckle is connected with the second latching tooth 35 by clamping. The second latching tooth 35 is distributed along the height direction on the outer side wall of the fixing portion 31. By making the fixing member 30 of rubber material, it is ensured that the fixing member 30 has a certain elasticity. And the connection mode of clamping the clamping portion 32 and the fixing portion 31 is adopted to improve the fixing efficiency of the wire harness.

[0042] In some specific embodiments of the present utility model, the base 10 includes a cover 11 and a shell 12, the cover 11 is covered on the shell 12, and the current transformer 20 and the fixing member 30 are spaced apart and relatively arranged on the cover 11. The shell 12 is provided with an installation cavity, and a battery 41 and a control board 42 are provided in the installation cavity. The battery 41 is used to power the control board 42, and the control board 42 is connected to the current transformer 20 by signal to transmit data. A waterproof pad 43 is provided on the bottom wall of the shell 12. The current transformer 20 is screwed to the base 10, the fixing member 30 is screwed to the cover 11, and the cover 11 is screwed to the shell 12.

[0043] That is to say, Figure 2 As shown, the base 10 is mainly composed of a cover body 11 and a shell 12, and a accommodating cavity is arranged in the shell 12. The cover body 11 can be covered on the shell 12, and the shell 12 and the cover body 11 can be connected and fixed by screws. The current transformer 20 and the fixing member 30 are spaced apart and relatively arranged on the cover body 11. An installation cavity is arranged in the shell 12, and a battery 41 and a control board 42 are arranged in the installation cavity. The battery 41 is used to power the control board 42, and the battery 41 can be a dry battery 41 such as a lithium battery 41. The control board 42 is powered by the battery 41, and there is no need to connect other batteries 41 and sensors externally. Therefore, there is no need to turn off the power during installation, and live installation can be achieved, which is convenient to operate and greatly improves the operation and maintenance efficiency.

[0044] like Figure 2 As shown, the control board 42 is connected to the current transformer 20 signal, and the control board 42 is mainly used to transmit data. The circulating current data is transmitted to the cloud server through the communication device on the control board 42. The control board 42 can be set as an embedded structure, and the embedded control board 42 has ultra-low power consumption control technology. A waterproof pad 43 is provided on the bottom wall of the shell 12, which plays a good waterproof role. The current transformer 20 and the base 10 can be fixedly connected by screws, the fixing member 30 and the cover body 11 can be fixedly connected by screws, and the cover body 11 and the shell 12 can be fixedly connected by screws, so as to further improve the installation efficiency of the cable circulating current monitoring device.

[0045] In summary, according to the cable circulation monitoring device of the embodiment of the utility model, a current transformer 20 and a fixing member 30 are respectively provided on the base 10, and the wiring harness is fixed by the fixing member 30, so the installation is convenient and quick. At the same time, the size of the fixing groove 33 in the fixing member 30 is adjustable, which is convenient for adapting to wiring harnesses of different thicknesses and has good versatility. At the same time, an integrated design is adopted, and no external battery 41 and CT sensor are required. Therefore, there is no need to turn off the power during installation, and live installation can be achieved, which is easy to operate and greatly improves the operation and maintenance efficiency.

[0046] Of course, for those skilled in the art, other structures and working principles of the cable circulating current monitoring device are understandable and achievable, and will not be described in detail in the present utility model.

[0047] Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the present invention. It should be understood by those skilled in the art that the above embodiments may be modified without departing from the scope and spirit of the present invention. The scope of the present invention is defined by the appended claims.

Claims

1. A cable circulation monitoring device, characterized in that: include: A base, wherein a receiving cavity is defined in the base; A current transformer, the current transformer is arranged on the base, and the current transformer is provided with a through hole for the wire harness to pass through; A fixing piece is arranged on a base, and a through fixing groove is provided on the fixing piece. The aperture size of the fixing groove is adjustable, and the fixing groove is used to fix wire harnesses of different sizes passing through the current transformer.

2. The cable circulation monitoring device according to claim 1, characterized in that: The fixing member is a rubber member, and the fixing member includes: A fixing portion, wherein the fixing groove is provided in the fixing portion, and the top of the fixing groove is open; The clamping part is arranged on the fixing part, the clamping part can open or close the fixing groove, and the clamping position of the clamping part on the fixing part is adjustable to adjust the size of the fixing groove.

3. The cable circulation monitoring device according to claim 2, characterized in that: The inner wall surface of the fixing groove is provided with first latching teeth, and the first latching teeth are distributed along the inner wall of the fixing groove.

4. The cable circulation monitoring device according to claim 2, characterized in that: The cross-sectional width of the bottom wall of the fixing groove is smaller than the cross-sectional width of the side of the fixing groove facing the clamping portion.

5. The cable circulation monitoring device according to claim 2, characterized in that: A second locking tooth is provided on an outer side wall of the fixing portion, and the locking portion is a buckle, and the buckle is connected to the second locking tooth.

6. The cable circulation monitoring device according to claim 5, characterized in that: The second latching teeth are distributed along the height direction on the outer side wall of the fixing portion.

7. The cable circulation monitoring device according to claim 1, characterized in that: The base comprises a cover body and a shell, wherein the cover body is arranged on the shell, and the current transformer and the fixing member are arranged on the cover body with a distance therebetween and opposite to each other.

8. The cable circulation monitoring device according to claim 7, characterized in that: An installation cavity is provided in the shell, and a battery and a control board are provided in the installation cavity. The battery is used to supply power to the control board, and the control board is connected to the current transformer signal to transmit data.

9. The cable circulation monitoring device according to claim 7, characterized in that: A waterproof pad is arranged on the bottom wall of the shell.

10. The cable circulation monitoring device according to claim 7, characterized in that: The current transformer is screwed to the base, the fixing piece is screwed to the cover, and the cover is screwed to the housing.

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