Power cable automatic detection alarm device

Abstract

The invention relates to the technical field of detection, in particular to a power cable automatic detection alarm device which comprises a cable marker pile body buried in the ground surface above an underground cable. The cable marker pile body comprises a sealing cover, a pile body and an end cover which are fixedly connected in sequence from top to bottom; the pile body is hollow, a partition plate is arranged in the middle of the interior of the pile body, a measurement and control component is arranged in the pile body above the partition plate, and a current transformer is arranged in the pile body below the partition plate. The automatic detection and alarm device for the power cable has a toppling alarm function; and the underground cable is detected and alarmed.

Description

Technical Field

[0001] The invention relates to the technical field of power detection, and in particular to an automatic detection and alarm device for a power cable. Background Art

[0002] There are many ways to lay power cables, suitable for different power transmission environments to ensure the safety and stability of the power system. Conventional power cable laying methods are: Underground laying: direct burial method directly buried in underground trenches; pipeline laying method placed in pre-laid underground pipelines. Overhead laying: overhead cable pole method suspended by cable poles; hanging cables fixed on brackets by hanging devices. Ground laying: directly laid on the ground and covered with protective materials. Bridge laying: supported and protected by metal or non-metal bridge systems. Indoor laying: concealed laying method hidden in walls, floors or ceilings; open laying method directly arranged in open spaces indoors. Special environment laying: underwater laying method laid in underwater environments; high temperature or low temperature environment laying method under extreme temperature conditions that requires the use of special insulation and sheathing.

[0003] At present, in order to protect the buried power cables, cable marker stakes are placed on the ground above the buried power cables as a reminder. However, in actual scenarios, cable marker stakes often fall down due to accidental contact.

[0004] Fault detection and alarm are performed through the secondary protection system in the distribution cabinets at both ends of the power cable. However, the secondary protection systems at both ends are independent of each other and cannot unify the signal status and judgment method, resulting in false alarms. Summary of the invention

[0005] In order to solve the technical problems existing in the background technology, the present invention provides an automatic detection and alarm device for power cables, which has a tipping alarm function and performs detection and alarm on underground cables.

[0006] The technical solution adopted by the present invention is:

[0007] An automatic detection alarm device for power cables comprises a cable marker pile body buried on the ground surface above the underground cable.

[0008] The cable marker pile body comprises:

[0009] The cover, pile body and end cover are fixedly connected in sequence from top to bottom; the pile body is arranged to be hollow, and a partition is arranged in the middle of the interior thereof; the pile body content above the partition is provided with a measurement and control component, and the pile body content below the partition is provided with a current transformer.

[0010] Furthermore, a side slideway group and a pair of slideway groups are arranged on the inner wall of the pile body, two side slideway groups are arranged in parallel, and two pair of slideway groups are arranged opposite to each other;

[0011] An inner through hole penetrating the side wall of the pile body is arranged on the upper part of the slideway group.

[0012] Furthermore, a downwardly extending limiting pressure rod and a limiting pressure block are arranged in the cover, the limiting pressure rod is inserted in the side slideway group, and the limiting pressure block is inserted in the opposite slideway group;

[0013] The limiting pressing block is provided with a screw hole through it;

[0014] An external through hole is penetrated through the side wall of the cover.

[0015] Furthermore, the limiting pressure block is spaced apart from the side wall of the cover for inserting the pile body.

[0016] Furthermore, the inner through hole, the outer through hole and the screw hole share a common central axis.

[0017] Furthermore, a limiting clamping plate is provided on the inner side of the lower end of the limiting pressure block and protrudes downward.

[0018] Furthermore, the measurement and control component includes:

[0019] A control box is contained in the pile body between the partition and the cover, a side sliding rod is protruding from the bottom of the control box, the side sliding rod is slidably inserted in the side slideway group, an extension rod is abutted against the upper end of the side sliding rod, and the upper end of the extension rod abuts against the limit pressure rod;

[0020] A pair of slide bars are slidably inserted in the pair of slide rails, and upper and lower ends of the slide bars are provided with upper and lower cross bars parallel to each other. A tilt switch is provided between the upper and lower cross bars, and a switch lead is electrically connected to the tilt switch.

[0021] Furthermore, a tension spring is provided at the connection between the upper end of the tilt switch and the upper cross bar.

[0022] Furthermore, the current transformer is electrically connected with a transformer lead, which is spirally arranged and accommodated in the pile body between the partition and the end cover;

[0023] A fixing plate is fixed on the side wall of the current transformer by screws, and a waist hole for passing the screws is penetrated on the fixing plate. A semicircular crimping ring is arranged at the end of the fixing plate. The crimping ring is provided in multiple groups for clamping underground cables.

[0024] Furthermore, the control box is provided with a control component, including:

[0025] A power supply unit electrically connected to the transformer lead, the power supply unit is electrically connected to a battery unit and a control unit, the battery unit is used to supply power and charge the power supply unit, the control unit is electrically connected to the switch lead, and is electrically connected to a communication unit, the communication unit is communicatively connected to a host computer at a measurement and control center.

[0026] The beneficial effects of the automatic detection and alarm device for power cables of the present invention are:

[0027] 1. Collect multiple current signals of buried cables, and judge the fault status and alarm according to the current signals;

[0028] 2. The pile body integrates measurement and control components and current transformers to facilitate transportation and construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the specific implementation of the present invention, the drawings required in the specific implementation are briefly introduced below. The drawings in the following description are implementations of the present invention.

[0030] Figure 1 It is a general three-dimensional schematic diagram of a power cable automatic detection alarm device provided by an example of the present invention;

[0031] Figure 2 It is a three-dimensional schematic diagram of a pile cutaway of a power cable automatic detection alarm device provided by an example of the present invention;

[0032] Figure 3 It is a three-dimensional schematic diagram of a cover of an automatic detection and alarm device for power cables provided by an example of the present invention;

[0033] Figure 4 It is a three-dimensional schematic diagram of the measurement and control components of a power cable automatic detection and alarm device provided by an example of the present invention;

[0034] Figure 5 It is a three-dimensional schematic diagram of a current transformer of an automatic detection and alarm device for power cables provided by an example of the present invention;

[0035] Figure 6 The invention provides an electrical principle diagram of an automatic detection and alarm device for power cables.

[0036] In the figure:

[0037] 1. Pile body,

[0038] 10. Partition plate, 11. Side slideway assembly, 12. Counter slideway assembly, 13. Internal through hole,

[0039] 2. Capping,

[0040] 21. Limiting pressure rod, 22. Limiting pressure block, 23. Screw hole, 24. External through hole,

[0041] 3. End cap,

[0042] 40. Control box, 41. Side slide bar, 42. Extension bar, 43. Slide bar, 44. Upper cross bar, 45. Lower cross bar, 46. Tilt switch, 47. Extension spring, 48. Switch lead wire,

[0043] 5. Current transformer,

[0044] 50. Transformer lead wire, 51. Fixing plate, 52. Waist hole, 53. Crimp ring. DETAILED DESCRIPTION

[0045] In order to more clearly and specifically explain the specific implementation purpose and implementation mode of the present invention, the technical solution of the present invention will be fully described below. The described embodiments are part of the embodiments of the present invention, but not all of them. Without making creative work, all other embodiments based on the embodiments described in the present invention belong to the protection scope of the present invention.

[0046] The invention discloses an automatic detection alarm device for power cables, comprising a cable marker pile body buried on the ground surface above the underground cable.

[0047] The cable marker pile body, such as Figure 1 As shown, including:

[0048] The cover 2, pile body 1 and end cover 3 are fixedly connected in sequence from top to bottom.

[0049] The pile body 1 is configured to be hollow. Figure 2 As shown, a partition 10 is provided in the middle of the interior thereof, and the pile body 1 above the partition 10 is provided with a measurement and control component, and the inner wall of the pile body 1 is provided with a side slideway group 11 and a pair of slideway groups 12, wherein two side slideway groups 11 are provided in parallel, and two pair of slideway groups 12 are provided opposite to each other, and an inner through hole 13 penetrating the side wall of the pile body 1 is provided on the upper part of the pair of slideway groups 12; the pile body 1 below the partition 10 is provided with a current transformer 5, as shown in FIG. Figure 5 As shown, the current transformer 5 is electrically connected with a transformer lead 50, which is in a spiral shape and accommodated in the pile body 1 between the partition 10 and the end cover 3; a fixing plate 51 is fixed on the side wall of the current transformer 5 by screws, and a waist hole 52 for passing the screws is penetrated on the fixing plate 51, and a semicircular crimping ring 53 is provided at the end of the fixing plate 51, and the crimping ring 53 is provided in multiple groups for clamping underground cables.

[0050] like Figure 3As shown, the cover 2 is provided with a downwardly extending limit pressure rod 21 and a limit pressure block 22, the limit pressure rod 21 is inserted in the side slide group 11, the limit pressure block 22 is inserted in the opposite slide group 12, and a limit clamping plate is protruding downward from the inner side of the lower end of the limit pressure block 22. The limit pressure block 22 is spaced apart from the side wall of the cover 2 for inserting the pile body 1, a screw hole 23 is penetrated on the limit pressure block 22, and an external through hole 24 is penetrated on the side wall of the cover 2.

[0051] The inner through hole 13, the screw hole 23 and the outer through hole 24 share a central axis.

[0052] The measurement and control components, such as Figure 4 As shown, including:

[0053] A control box 40 is accommodated in the pile body 1 between the partition 10 and the cover 2, and a side sliding rod 41 is protruding from the bottom of the control box 40. The side sliding rod 41 is slidably inserted in the side slideway group 11, and an extension rod 42 is abutted against the upper end of the side sliding rod 41. The upper end of the extension rod 42 abuts against the limit pressure rod 21;

[0054] A pair of slide rods 43 are slidably inserted in the pair of slide rails 12, and upper and lower ends of the pair of slide rods 43 are provided with upper and lower cross bars 44 and 45 which are parallel to each other. A tilt switch 46 is provided between the upper and lower cross bars 44 and 45, and a switch lead 48 is electrically connected to the tilt switch 46. A tension spring 47 is provided at the connection between the upper end of the tilt switch 46 and the upper cross bar 44.

[0055] The control box 40 is provided with control components, such as Figure 6 As shown, including:

[0056] A power supply unit electrically connected to the transformer lead 50, the power supply unit is electrically connected to a battery unit and a control unit, the battery unit is used to supply power and charge the power supply unit, the control unit is electrically connected to the switch lead 48, and is electrically connected to a communication unit, the communication unit is communicatively connected to a host computer at a measurement and control center.

[0057] According to the specific structure of a power cable automatic detection alarm device in the above embodiment, it is further described below:

[0058] In order to facilitate transportation, the transformer lead wire 50 and the current transformer 5 are stored in the pile body 1 .

[0059] First, coil the transformer lead wire 50 and place it together with the current transformer 5 in the pile body 1 below the partition 10;

[0060] Secondly, the end cover 3 is sealed on the lower end of the pile body 1;

[0061] Finally, a soft filler is placed in the pile body 1 below the partition 10 .

[0062] During installation, the end cap 3 is removed from the lower end of the pile body 1, the current transformer 5 is taken out, the transformer lead 50 is pulled out, the current transformer 5 is put on the underground cable, and the pile body 1 is buried in the pre-buried pit and fixed.

[0063] After installation, perform data acquisition test and communication test.

[0064] Process multiple current signals along the underground cable, determine the cable power supply status through the processed data, and issue an alarm based on the power supply status.

[0065] Based on the above, an embodiment of an automatic detection and alarm device for power cables of the present invention is used as inspiration. Through the above description, relevant personnel can make various changes and modifications without departing from the technical idea of ​​the present invention.

Claims

1. A power cable automatic detection alarm device, comprising: The cable marker body is buried on the surface above the underground cable, and is characterized by: The cable marker pile body comprises: A cover (2), a pile body (1), and an end cover (3) are fixedly connected in sequence from top to bottom; The pile body (1) is arranged in a hollow shape, and a partition (10) is arranged in the middle of the interior thereof; the pile body (1) above the partition (10) is provided with a measurement and control component, and the pile body (1) below the partition (10) is provided with a current transformer (5).

2. The automatic detection and alarm device for power cables according to claim 1 is characterized in that: The inner wall of the pile body (1) is provided with a side slideway group (11) and a pair of slideway groups (12), wherein two side slideway groups (11) are arranged in parallel, and two pair of slideway groups (12) are arranged opposite to each other; An inner through hole (13) penetrating the side wall of the pile body (1) is arranged on the upper part of the slideway group (12).

3. The automatic detection and alarm device for power cables according to claim 2 is characterized in that: The cover (2) is provided with a downwardly extending limiting pressure rod (21) and a limiting pressure block (22); the limiting pressure rod (21) is inserted into the side slideway group (11), and the limiting pressure block (22) is inserted into the opposite slideway group (12); The limiting pressing block (22) is provided with a screw hole (23); An external through hole (24) is provided through the side wall of the cover (2).

4. The automatic detection and alarm device for power cables according to claim 3 is characterized in that: The limiting pressure block (22) is spaced apart from the side wall of the cover (2) and is used for inserting the pile body (1).

5. The automatic detection and alarm device for power cables according to claim 3 is characterized in that: The inner through hole (13), the outer through hole (24) and the screw hole (23) share a central axis.

6. The automatic detection and alarm device for power cables according to claim 3 is characterized in that: A limiting clamping plate is provided on the inner side of the lower end of the limiting pressure block (22) protruding downward.

7. The automatic detection and alarm device for power cables according to claim 3 is characterized in that: The measurement and control component comprises: A control box (40) is accommodated in the pile body (1) between the partition (10) and the cover (2), wherein a side sliding rod (41) is protruding from the bottom of the control box (40), and the side sliding rod (41) is slidably inserted in the side sliding track group (11), and an extension rod (42) is abutted against the upper end of the side sliding rod (41), and the upper end of the extension rod (42) abuts against the limit pressure rod (21); A pair of slide bars (43) is slidably inserted in the pair of slide rails (12), and upper and lower ends of the pair of slide bars (43) are provided with upper and lower cross bars (44) and lower cross bars (45) parallel to each other, a tilt switch (46) is provided between the upper and lower cross bars (44) and the lower cross bars (45), and a switch lead (48) is electrically connected to the tilt switch (46).

8. The automatic detection and alarm device for power cables according to claim 7, characterized in that: A tension spring (47) is provided at the connection between the upper end of the tilt switch (46) and the upper crossbar (44).

9. The automatic detection and alarm device for power cables according to claim 7, characterized in that: The current transformer (5) is electrically connected to a transformer lead (50), the transformer lead (50) is spirally arranged and accommodated in the pile body (1) between the partition (10) and the end cover (3); A fixing plate (51) is fixed on the side wall of the current transformer (5) by means of screws, and a waist hole (52) for passing the screws is penetrated through the fixing plate (51). A semicircular crimping ring (53) is arranged at the end of the fixing plate (51). The crimping ring (53) is provided in multiple groups for clamping underground cables.

10. The automatic detection and alarm device for power cables according to claim 9, characterized in that: The control box (40) is provided with a control component, including: A power supply unit electrically connected to the transformer lead (50), the power supply unit being electrically connected to a battery unit and a control unit, the battery unit being used to supply power to and charge the power supply unit, the control unit being electrically connected to the switch lead (48) and being electrically connected to a communication unit, the communication unit being communicatively connected to a host at a measurement and control center.

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