A cable joint explosion-proof bag with detection function

Abstract

This invention relates to the technical field of cable explosion-proof bags, specifically disclosing a cable joint explosion-proof bag with detection function. The bag has a shell with an internal cavity. A bag body is inserted into the cavity, and the cable joint is sealed within the bag body. A first gap is formed between the outer wall of the bag body and the inner wall of the cavity. A pleat is provided on one side of the bag body, located outside the shell. A breakage detection device is installed on the pleat. When the bag body expands, the pleat is straightened, and the breakage detection device is disconnected, transmitting location information. This cable joint explosion-proof bag, by installing the breakage detection device on the pleat, allows the bag body to expand upon impact when an electric arc explosion occurs at the cable joint. This causes the pleat to straighten and retract into the shell, breaking the breakage detection device and transmitting a signal. This facilitates maintenance personnel receiving location information and obtaining the explosion location without the need for tedious inspection, improving maintenance efficiency.

Description

Technical Field

[0001] This invention relates to the technical field of cable explosion-proof bags, and more specifically, to a cable joint explosion-proof bag with detection function. Background Technology

[0002] Arc explosions at cable joints are a prominent problem in power engineering. Many factors can cause cable joint explosions, including manufacturing defects, installation problems, and external environmental factors such as construction damage, fires, and increased power load. A cable joint explosion is a combination of arcing and explosive damage, which not only damages the cable itself but also affects surrounding cables and electrical equipment within the cable well.

[0003] Currently, the common method to protect surrounding cables and electrical equipment from cable joint explosions is to wrap the cable joint with an explosion-proof blanket. This allows the explosion-proof blanket to isolate and protect surrounding equipment after the cable joint explodes. However, after a cable joint explodes, manual inspection is still required. Since there are many locations of the joint, manual inspection is inefficient and makes it difficult to accurately locate and repair it. Summary of the Invention

[0004] In order to overcome the defects of the existing technology, the present invention provides a cable joint explosion-proof bag with detection function to solve the problem of low maintenance efficiency caused by the inability to accurately locate the explosion location of the cable joint in the above-mentioned existing technology.

[0005] The technical solution adopted by this invention to solve its technical problem is: a cable connector explosion-proof bag with detection function, which has a shell, a cavity inside the shell, a bag body passing through the cavity, the bag body sealingly wrapping the cable connector, the outer wall of the bag body forming a first gap with the inner wall of the cavity, a pleat provided on one side of the bag body, the pleat being located outside the shell, a breakage detection device installed on the pleat, so that the pleat is straightened and the breakage detection device is disconnected when the bag body is inflated, and the position information is emitted through the breakage detection device.

[0006] The beneficial effect of this invention is that by installing the breakage detection device on the pleats, when an arc explosion occurs at the cable joint, the bag is impacted and expands, causing the pleats to straighten and retract into the housing, thereby breaking the breakage detection device and sending a signal. This makes it convenient for maintenance personnel to receive location information and obtain the location of the explosion without having to check each one individually, thus improving maintenance efficiency.

[0007] Furthermore, the housing has a pleated hole that communicates with the cavity, the pleats are disposed through the pleated hole, and the tensile testing device is located on one side of the pleated hole.

[0008] With the above-mentioned further structure, the pleats are located inside the pleat holes, so that when the bag expands, the pleats will be straightened and pulled into the shell, causing the breakage detection device located on one side of the pleat hole to be broken and send a signal, and the detection structure is stable.

[0009] Furthermore, the tensile testing device includes a first conductive sheet, a second conductive sheet, and a power controller. The first conductive sheet is fixedly installed on the edge of one side of the pleated hole, and the power controller is fixedly installed on the outside of the housing. The second conductive sheet is located on the other side of the pleated hole and is fixed to the pleat. Both the first and second conductive sheets are electrically connected to the power controller through wires, and the first and second conductive sheets are connected by a conductive rod.

[0010] With the above-described further structure, under normal circumstances, the power controller forms a closed circuit with the first and second conductive plates. When the folds are straightened, the second conductive plate and the conductive rod are pulled into the housing, causing the conductive rod to disconnect from the first conductive plate, thereby breaking the closed circuit. The power controller can then send a signal to facilitate the maintenance personnel to accurately locate the position.

[0011] Furthermore, the conductive rod is disposed on the outside of the fold, with one end of the conductive rod fixedly mounted on the second conductive sheet and the other end snapped onto the first conductive sheet.

[0012] With the above-described further structure, the conductive rod can more stably connect the first and second conductive sheets, preventing the conductive rod from falling off and improving the stability of the detection.

[0013] Furthermore, a through hole is formed on the first conductive sheet, and the other end of the conductive rod is inserted through the through hole and covered with an end cap, the diameter of which is larger than that of the through hole.

[0014] With the above-described further structure, as the conductive rod is pulled into the housing, the other end of the conductive rod detaches from the end cap, thereby separating from the first conductive sheet. This disconnects the closed circuit formed by the first and second conductive sheets and the power controller. The end cap can more stably install the conductive rod between the first and second conductive sheets.

[0015] Furthermore, the power controller is equipped with a communication module, which includes a SIM card slot and is connected to the power controller.

[0016] With the above-described further structure, when the closed circuit formed by the first conductive sheet and the second conductive sheet and the power controller is broken, the communication module sends a location signal to the maintenance personnel's mobile phone or other terminal via the network, so that the maintenance personnel can quickly take emergency maintenance actions.

[0017] Furthermore, a second gap is formed between the inner wall of the bag and the outer wall of the cable connector.

[0018] With the above-mentioned further structure, the second gap allows for a certain space between the inner wall of the bag and the cable joint. After an electric arc explosion occurs, the air can expand, causing the bag to expand and thus break the conductive rod.

[0019] Furthermore, the bag body includes a fire-resistant and arc-resistant layer, a Kevlar fiber cloth layer, and a ceramicized silicone rubber sheet layer. The ceramicized silicone rubber sheet layer is located on the inner wall of the bag body, the fire-resistant and arc-resistant layer is located on the outer wall of the bag body, and the Kevlar fiber cloth layer is located between the fire-resistant and arc-resistant layer and the ceramicized silicone rubber sheet layer.

[0020] With the above-mentioned further structure, the bag also has fire-resistant properties, preventing it from affecting surrounding equipment.

[0021] Furthermore, the second conductive sheet is fixed to the fold by ultrasonic welding.

[0022] With the above-described further structure, the second conductive sheet can be better connected to the bag body, facilitating the assembly of the cable joint explosion-proof bag. Attached Figure Description

[0023] Figure 1 This is a three-dimensional structural diagram of the explosion-proof bag for cable joints of the present invention.

[0024] Figure 2 This is a schematic diagram of the three-dimensional structure of the shell.

[0025] Figure 3 This is a three-dimensional structural diagram of the bag and cable connector.

[0026] Figure 4 This is a three-dimensional structural diagram of the first conductive sheet, the second conductive sheet, and the conductive rod.

[0027] Figure 5 This is a schematic diagram of the bag's structure.

[0028] In the figure: 1. Shell 2. Bag 3. Cable connector 4. Pleats 5. First conductive sheet 6. Second conductive sheet 7. Power controller 8. Through hole 9. End cap 10. Conductive rod 11. Second gap 12. Pleated hole 13. Fireproof and arc-resistant layer 14. Kevlar fiber cloth layer 15. Ceramicized silicone rubber sheet layer 16. Cavity Detailed Implementation

[0029] The specific embodiments of the present invention will be further described below with reference to the accompanying drawings. It should be noted that these descriptions are for the purpose of aiding understanding the present invention, but do not constitute a limitation thereof. Furthermore, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0030] Combination Figures 1 to 4 The illustration shows an explosion-proof bag for cable connectors with detection function. It has a housing 1 with a cavity 16 inside. A bag body 2 is inserted into the cavity 16, and the bag body 2 seals and encloses the cable connector 3. A first gap is formed between the outer wall of the bag body 2 and the inner wall of the cavity 16. A pleat 4 is provided on one side of the bag body 2, located outside the housing 1. A breakage detection device is installed on the pleat 4. When the bag body 2 is inflated, the pleat 4 is straightened, and the breakage detection device is disconnected, sending out location information. In this embodiment, by installing the breakage detection device on the pleat 4, when the cable connector 3 experiences an arc explosion, the bag body 2 is impacted and expands, causing the pleat 4 to straighten and retract into the housing 1, thereby breaking the breakage detection device and sending a signal. This allows maintenance personnel to receive location information and obtain the explosion location without having to check each one individually, improving maintenance efficiency.

[0031] like Figure 2 As shown, the housing 1 of this embodiment has a pleated hole 12, which is connected to the cavity 16. The pleat 4 is disposed through the pleated hole 12. The tear detection device is located on one side of the pleated hole 12. The pleat 4 is located inside the pleated hole 12 so that when the bag body 2 expands, the pleat 4 will be straightened and pulled into the housing 1, so that the tear detection device located on one side of the pleated hole 12 will be broken and send a signal, and the detection structure is stable.

[0032] The pull-out detection device includes a first conductive sheet 5, a second conductive sheet 6, and a power controller 7. The first conductive sheet 5 is fixedly installed on the edge of one side of the pleated hole 12, and the power controller 7 is fixedly installed on the outside of the housing 1. The second conductive sheet 6 is located on the other side of the pleated hole 12 and is fixed on the pleat 4. The first conductive sheet 5 and the second conductive sheet 6 are electrically connected to the power controller 7 through wires. The first conductive sheet 5 and the second conductive sheet 6 are connected through a conductive rod 10. Under normal circumstances, the power controller 7 forms a closed circuit with the first conductive sheet 5 and the second conductive sheet 6. When the pleat 4 is straightened, the second conductive sheet 6 and the conductive rod 10 are pulled into the housing 1, causing the conductive rod 10 to disconnect from the first conductive sheet 5, thereby breaking the closed circuit. The power controller 7 can then send a signal to allow maintenance personnel to accurately locate the position.

[0033] like Figure 4As shown, in this embodiment, the conductive rod 10 is disposed on the outside of the fold 4. One end of the conductive rod 10 is fixedly mounted on the second conductive sheet 6, and the other end is snapped onto the first conductive sheet 5. The conductive rod 10 can more stably connect the first conductive sheet 5 and the second conductive sheet 6, prevent the conductive rod 10 from falling off, and improve the stability of the detection.

[0034] The second conductive sheet 6 is fixed to the pleat 4 by ultrasonic welding. The second conductive sheet 6 can be better connected to the bag body 2 to facilitate the assembly of the cable joint explosion-proof bag. The inner wall of the bag body 2 and the outer wall of the cable joint 3 form a second gap 11. This second gap allows for a certain space between the inner wall of the bag body 2 and the cable joint 3. After an electric arc explosion occurs, the air can expand, causing the bag body 2 to expand and break the conductive rod 10.

[0035] In some embodiments, a through hole 8 is provided on the first conductive sheet 5, and the other end of the conductive rod 10 is disposed through the through hole 8 and an end cap 9 is provided on the end of the conductive rod 10. The diameter of the end cap 9 is larger than that of the through hole 8. When the conductive rod 10 is pulled into the housing 1, the other end of the conductive rod 10 is disengaged from the end cap 9, thereby leaving the first conductive sheet 5, so that the closed circuit formed by the first conductive sheet 5 and the second conductive sheet 6 with the power controller 7 is disconnected. The end cap 9 can more stably install the conductive rod 10 between the first conductive sheet 5 and the second conductive sheet 6.

[0036] In this embodiment, the power controller 7 is equipped with a communication module, which has a SIM card slot. The communication module is connected to the power controller 7. When the closed circuit formed by the first conductive piece 5 and the second conductive piece 6 and the power controller 7 is broken, the power controller 7 controls the communication module to turn on. The communication module sends a location signal to the maintenance personnel's mobile phone or other terminal through the network, so that the maintenance personnel can quickly take emergency maintenance actions.

[0037] It should be noted that the power controller 7 is continuously powered by an external power source, and the communication principle of the communication module is existing technology, which will not be elaborated here.

[0038] The bag body 2 includes a fireproof and arc-resistant layer 13, a Kevlar fiber cloth layer 14, and a ceramicized silicone rubber sheet layer 15. The ceramicized silicone rubber sheet layer 15 is located on the inner wall of the bag body 2, the fireproof and arc-resistant layer 13 is located on the outer wall of the bag body 2, and the Kevlar fiber cloth layer 14 is located between the fireproof and arc-resistant layer 13 and the ceramicized silicone rubber sheet layer 15. The bag body 2 also has fireproof properties to prevent it from affecting surrounding equipment.

[0039] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and these variations still fall within the protection scope of the present invention.

Claims

1. A cable joint explosion-proof bag with a detection function, having a shell (1), characterized in that, The housing (1) has a cavity (16) inside, and a bag (2) is inserted inside the cavity (16). The bag (2) is sealed and wrapped with a cable connector (3). The outer wall of the bag (2) and the inner wall of the cavity (16) form a first gap. A pleat (4) is provided on one side of the bag (2). The pleat (4) is located on the outside of the housing (1). A breakage detection device is installed on the pleat (4) so ​​that the pleat (4) is straightened and the breakage detection device is disconnected when the bag (2) is in an expanded state. The position information is sent through the breakage detection device. The housing (1) has a pleated hole (12) which is connected to the cavity (16). The pleats (4) are disposed through the pleated hole (12). The tensile testing device is located on one side of the pleated hole (12). The pull-off detection device includes a first conductive sheet (5), a second conductive sheet (6), and a power controller (7). The first conductive sheet (5) is fixedly installed on the edge of one side of the pleated hole (12). The power controller (7) is fixedly installed on the outside of the housing (1). The second conductive sheet (6) is located on the other side of the pleated hole (12) and is fixed on the pleat (4). The first conductive sheet (5) and the second conductive sheet (6) are electrically connected to the power controller (7) through wires. The first conductive sheet (5) and the second conductive sheet (6) are connected through a conductive rod (10).

2. The explosion-proof bag for cable joints with detection function according to claim 1, characterized in that, The conductive rod (10) is disposed on the outside of the fold (4). One end of the conductive rod (10) is fixedly mounted on the second conductive sheet (6), and the other end is snapped onto the first conductive sheet (5).

3. The explosion-proof bag for cable joints with detection function according to claim 2, characterized in that, The first conductive sheet (5) has a through hole (8), and the other end of the conductive rod (10) is disposed through the through hole (8) and an end cap (9) is provided on the end of the conductive rod (10). The diameter of the end cap (9) is larger than that of the through hole (8).

4. The explosion-proof bag for cable joints with detection function according to claim 3, characterized in that, The power controller (7) is equipped with a communication module, which has a SIM card slot and is connected to the power controller (7).

5. The explosion-proof bag for cable joints with detection function according to claim 1, characterized in that, The inner wall of the bag (2) and the outer wall of the cable connector (3) form a second gap (11).

6. The explosion-proof bag for cable joints with detection function according to claim 5, characterized in that, The bag body (2) includes a fireproof and arc-resistant layer (13), a Kevlar fiber cloth layer (14), and a ceramicized silicone rubber sheet layer (15). The ceramicized silicone rubber sheet layer (15) is located on the inner wall of the bag body (2), the fireproof and arc-resistant layer (13) is located on the outer wall of the bag body (2), and the Kevlar fiber cloth layer (14) is located between the fireproof and arc-resistant layer (13) and the ceramicized silicone rubber sheet layer (15).

7. The explosion-proof bag for cable joints with detection function according to claim 3, characterized in that, The second conductive sheet (6) is fixed to the fold (4) by ultrasonic welding.

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