CN214626323U - Digital comprehensive protection device for high-voltage cable connector - Google Patents
Digital comprehensive protection device for high-voltage cable connector Download PDFInfo
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- CN214626323U CN214626323U CN202121264423.6U CN202121264423U CN214626323U CN 214626323 U CN214626323 U CN 214626323U CN 202121264423 U CN202121264423 U CN 202121264423U CN 214626323 U CN214626323 U CN 214626323U
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Abstract
The utility model discloses a digital comprehensive protection device for a high-voltage cable joint, which comprises a fireproof groove box, a fireproof wrapping layer and a fireproof bag; the fireproof wrapping layer wraps cable joints of the cables, and the cable joints are arranged in the fireproof groove boxes; the fireproof bag is filled in the inner space of the fireproof groove box. The utility model relates to a protector is synthesized in high tension cable connects digitization, through setting up above-mentioned structure, simple structure is convenient for realize, and the cost is extremely low, is favorable to extensive the popularization, especially can use in batches in the cable tunnel in large-scale city, reduces cable joint conflagration risk.
Description
Technical Field
The utility model relates to an electric power engineering technique, concretely relates to protector is synthesized to high tension cable connects digitization.
Background
The high-voltage cable with the voltage class of more than 110kV is a life line of an urban power grid, cable group damage caused by fire hazard is the central importance of cable network safety risk control, and once a cable channel has a cable group damage accident caused by fire hazard, serious social influence and great economic loss are caused. Compared with a cable body, the insulation of the cable joint mostly adopts multilayer composite media, the structure is complex, the cable joint is generally installed on site, and the probability of occurrence of faults is far higher than that of the cable body. The existing cable joint is mainly used for fire prevention by adopting a single fire-proof partition plate, a fire-proof groove box or a fire extinguishing bomb, and has weak fire-proof performance and no fire early warning function.
The prior art application No. 202021196438.9 Chinese patent discloses a cable fireproof and moistureproof joint protection box, which comprises a lower shell, wherein a dehumidifying layer is arranged at the bottom of an inner cavity of the lower shell, second connecting discs are fixedly connected to the outer walls of the two sides of the top of the lower shell, first connecting discs are connected to the tops of the second connecting discs, an upper shell is fixedly connected between the two first connecting discs, a temperature sensor is installed on one side of the top of an inner cavity of the upper shell, a humidity sensor is installed on the other side of the top of the inner cavity of the upper shell, flame-retardant gas boxes are connected to the outer walls of the two sides of the upper shell, temperature values in the upper shell and the lower shell are sensed by the temperature sensors, when the temperature exceeds an alarm value, the temperature sensors control electromagnetic valves open a passage of the flame-retardant gas pipes, so that carbon dioxide in the flame-retardant gas boxes quickly enters the upper shell and the lower shell, thereby quickly extinguishing the fire in the inner parts, the casualties and the economic loss caused by the fire of the cable are greatly reduced. Due to the complex structural design, the technology cannot be popularized in various underground cable tunnels on a large scale. In the existing urban underground cable tunnel, 30-50 meters of the cable joint exists, the urban underground cable tunnel usually has a length of hundreds of kilometers, and if the technology is adopted to prevent the cable joint from fire, the cost is too high.
The prior art application number is 202021454459.6's chinese patent, discloses a cable joint explosion-proof equipment, including columniform casing and the cable interface of setting at the casing both ends, the casing includes two half shells of upper and lower lock, respectively sets up one on two half shells and lets out the ability mouth, set up explosion-proof box in the casing, explosion-proof box passes through the fastener to be fixed at the cable joint outside, explosion-proof box outer wall still twines the anti electric arc sticky tape of fire prevention. The protection method is carried out by adopting a mode of protecting a single cable, but in a cable tunnel, a plurality of cables are often parallel, if one fireproof device can only carry out the protection of a single cable joint, the fireproof cost can be increased in a phase change manner, and the maintenance of the closed cable fireproof structure is very inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that cable joint fire resistive construction among the prior art cost is higher to difficult maintenance, unable extensive popularization, aim at provides a high tension cable connects digital protector of synthesizing, solves above-mentioned problem.
The utility model discloses a following technical scheme realizes:
a digital comprehensive protection device for a high-voltage cable joint comprises a fireproof groove box, a fireproof wrapping layer and a fireproof bag;
the fireproof wrapping layer wraps a cable joint of the cable, and the cable joint is arranged in the fireproof groove box; the fireproof bag is filled in the inner space of the fireproof groove box.
In view of the defects of the prior art, the utility model adopts a triple fireproof protection mode when in application, firstly, the cable joint is wrapped by the fireproof wrapping layer, if the cable joint is heated due to faults, overload or other reasons, the fireproof wrapping layer has the functions of heat absorption and cooling, so that the cable joint can be effectively cooled, the operating temperature of the cable joint is reduced, and the current-carrying capacity and the operating life of the cable joint are improved; and the fire prevention package fill in the inner space of fire prevention groove box can be located between the cable joint of difference, also can be located the both sides and the tip of fire prevention groove box, if the cable joint has taken place the conflagration, the fire prevention package of these packings can carry out effectual isolation to the condition of a fire, not only can keep apart normal cable and conflagration cable, also can be with the condition of a fire separation in fire prevention groove box, avoids the condition of a fire to spread in cable tunnel. The outmost mode that adopts the fire prevention groove box carries out the intensity of a fire and keeps apart, and wherein the resource in the utilization cable tunnel that the fire prevention groove box can be fine is installed, if install the cable support on, the detachable structure can also be adopted to the fire prevention groove box simultaneously, is convenient for carry out cable joint's maintenance. The utility model discloses a set up above-mentioned structure, simple structure is convenient for realize, and the cost is extremely low, is favorable to extensive popularization, especially can use in batches in the cable tunnel in large-scale city, reduces cable joint conflagration risk.
Further, the fire extinguishing bomb is also included; the fire extinguishing bomb is arranged in the fire-proof groove box and is positioned on the fire-proof wrapping layer.
The utility model discloses during the application, in fire prevention groove box was arranged in to the fire extinguishing bomb, if the condition of a fire takes place in the fire prevention groove box, the fire extinguishing bomb can be activated at the very first time, put out a fire and save life and property, combines the application of fire prevention package simultaneously, can put out the fire behavior that is not totally kept apart successfully fast, has improved fire prevention efficiency.
Furthermore, the fire prevention groove box sets up on the cable support.
The utility model discloses during the application, for the convenience of reforming transform current cable tunnel, the utility model discloses directly arrange current cable support in with the fire prevention groove box and go on preventing fires to cable joint, reform transform low cost, be favorable to extensive popularization.
Further, the fireproof groove box comprises a lower fireproof plate, a side fireproof plate and an upper fireproof plate; the lower fireproof plate and the upper fireproof plate are horizontally arranged, and the side fireproof plates are vertically arranged;
the lower fireproof plate and the upper fireproof plate are fixedly connected through the side fireproof plate;
and the lower fire-proof plate, the side fire-proof plates and the upper fire-proof plate enclose an inner space of the fire-proof groove box.
The utility model discloses during the application, the lower PLASTIC LAMINATED of adoption, side PLASTIC LAMINATED and last PLASTIC LAMINATED enclose into the fire prevention groove box of U type, and U type opening side arranges towards the wall, is convenient for install and dismantles, and when specifically using, lower PLASTIC LAMINATED and last PLASTIC LAMINATED all can directly build on cable support, and can dismantle it more easily through PLASTIC LAMINATED, side PLASTIC LAMINATED and last PLASTIC LAMINATED under demountable installation's mode setting, and the convenience is maintained its inside cable joint.
Further, the device also comprises a smoke sensing alarm device, an online monitoring device and a communication device;
the smoke alarm device, the online monitoring device and the communication device are all arranged at the lower bottom of the upper fireproof plate, and the smoke alarm device and the online monitoring device are electrically connected with the communication device.
The utility model discloses during the application, on-line monitoring device can be including any one kind carry out the equipment of cable monitoring, like sheath current collector, sheath current sensor, theftproof cut detector, excess temperature vibrations alarm device, battery voltage monitoring devices, camera device etc.. The communication device can send data monitored by the smoke alarm device and the on-line monitoring device to the cable lean management platform.
Furthermore, the on-line monitoring device comprises a sheath current collector, a sheath current sensor, an anti-theft cutting detector and an over-temperature vibration alarm device;
the sheath current collector, the sheath current sensor, the anti-theft detector and the over-temperature vibration alarm device are electrically connected with the communication device.
Further, the communication device employs a Lora signal generator.
Furthermore, the fireproof wrapping layer adopts a fireproof blanket or a fireproof wrapping tape.
Furthermore, the part of the cable arranged in the fireproof groove box is wrapped by the fireproof wrapping layer.
Further, the end of the fire-proof slot box is filled with the fire-proof bag.
The utility model discloses during the application, the tip quilt of fire prevention groove box the fire prevention package is filled for fire prevention groove box inside has formed the confined structure, further reduction the possibility that the intensity of a fire stretchs.
Above sheath current collector, sheath current sensor, theftproof cut detector, excess temperature vibrations alarm device, smoke and feel alarm device, on-line monitoring device and communication device are prior art, the utility model discloses combine its organic together, realized new technological effect.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
1. the utility model relates to a high tension cable connects digital comprehensive protector, through setting up above-mentioned structure, simple in construction, easy to realize, the cost is extremely low, help to popularize on a large scale, especially can use in batches in the cable tunnel of the medium-and-large-scale city, reduce the fire risk of cable structure;
2. the utility model relates to a high tension cable connects digital protector of synthesizing through multiple monitoring means, makes the utility model discloses possess functions such as running state monitoring, anti-theft monitoring, fire control, video monitoring, fire prevention antiknock, put out a fire fast, can realize that cable state monitors in advance, trouble fire accident, fire prevention explosion-proof afterwards protects.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the fireproof wrapping layer wrapping the cable joint of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
fig. 4 is a side view of the present invention.
Reference numbers and corresponding part names in the drawings:
1-a fire-proof groove box, 2-a cable, 3-a fire-proof wrapping layer, 4-a fire-proof wrapping, 5-a fire-extinguishing bomb, 6-a cable bracket, 7-a smoke-sensing alarm device, 8-an online monitoring device, 9-a communication device, 11-a lower fire-proof plate, 12-a side fire-proof plate and 13-an upper fire-proof plate.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Examples
As shown in fig. 1, fig. 2 and fig. 3, the digital integrated protection device for a high-voltage cable joint of the present invention comprises a fire-proof groove box 1, a fire-proof wrapping layer 3 and a fire-proof wrapping 4;
the fireproof wrapping layer 3 wraps a cable joint of the cable 2, and the cable joint is arranged in the fireproof groove box 1; the fireproof bag 4 is filled in the inner space of the fireproof groove box 1.
In the implementation of the embodiment, in view of the defects of the prior art, a triple fireproof protection mode is adopted for fireproof protection, firstly, the fireproof wrapping layer 3 wraps the cable joint, and if the cable joint is heated due to faults, overload or other reasons, the fireproof wrapping layer 3 can effectively dissipate heat of the cable joint, the operating temperature of the cable joint is reduced, and the current-carrying capacity and the operating life of the cable joint are improved; and fire prevention package 4 fill in the inner space of fire prevention groove box can be located between the cable joint of difference, also can be located the both sides and the tip of fire prevention groove box, if the cable joint has taken place the conflagration, these fire prevention packages 4 of filling can carry out effectual isolation to the condition of a fire, not only can keep apart normal cable and conflagration cable, also can be with the condition of a fire separation in fire prevention groove box 1, avoid the condition of a fire to spread in the cable tunnel. The outmost mode that adopts fire prevention groove box 1 keeps apart the intensity of a fire, and wherein the resource that utilizes in the cable tunnel that fire prevention groove box 1 can be fine is installed, if install cable support 6 on, fire prevention groove box 1 can also adopt detachable structure simultaneously, is convenient for carry out cable joint's maintenance. The utility model discloses a set up above-mentioned structure, simple structure is convenient for realize, and the cost is extremely low, is favorable to extensive popularization, especially can use in batches in the cable tunnel in large-scale city, reduces cable joint conflagration risk.
For further explanation of the working process of the embodiment, the fire extinguishing bomb 5 is also included; the fire extinguishing bomb 5 is arranged in the fire protection groove box 1 and is positioned on the fire protection wrapping layer 3.
When this embodiment is implemented, fire extinguishing bomb 5 is arranged in fire chute box 1, if take place the condition of a fire in fire chute box 1, fire extinguishing bomb 5 can be activated at the very first time, put out a fire and save life or energy, combines the application of fire prevention package 4 simultaneously, can put out the fire behavior that the isolation is successful not completely fast, has improved fire prevention efficiency. The fire extinguishing bomb 5 is preferably a superfine dry powder fire extinguishing bomb, the mass of the fire extinguishing agent is 0.5kg, the fire extinguishing spraying time is less than 5 seconds, the total flooding protection space is not less than 1 cubic meter, a temperature sensing starting mode can be adopted, and the protection grade is greater than IP 67.
For further illustration of the working process of the embodiment, the fire protection box 1 is arranged on the cable support 6.
When this embodiment is implemented, in order to facilitate reforming transform current cable tunnel, the utility model discloses prevent fires cable joint on directly arranging current cable support 6 in with fire prevention groove box 1, reform transform low cost, be favorable to extensive popularization.
For further explanation of the working process of the embodiment, the fire chute box 1 comprises a lower fire prevention plate 11, side fire prevention plates 12 and an upper fire prevention plate 13; the lower fire-proof plate 11 and the upper fire-proof plate 13 are horizontally arranged, and the side fire-proof plates 12 are vertically arranged;
the lower fire-proof plate 11 and the upper fire-proof plate 13 are fixedly connected through the side fire-proof plate 12;
the lower fire-proof plate 11, the side fire-proof plates 12 and the upper fire-proof plate 13 enclose the inner space of the fire-proof slot box 1.
When this embodiment is implemented, the lower PLASTIC LAMINATED 11 of adoption, side PLASTIC LAMINATED 12 and last PLASTIC LAMINATED 13 enclose into the fire prevention groove box 1 of U type, U type opening side arranges towards the wall, be convenient for install and dismantle, when specifically using, lower PLASTIC LAMINATED 11 can all directly be built on cable support 6 with last PLASTIC LAMINATED 13, and the mode through demountable installation sets up down PLASTIC LAMINATED 11, side PLASTIC LAMINATED 12 and last PLASTIC LAMINATED 13, can dismantle it more easily, the convenience is maintained its inside cable joint.
Preferably, the lower fire protection plate 11, the side fire protection plates 12 and the upper fire protection plate 13 are all made of a class a1 fire protection partition plate with impact resistance, and the lower fire protection plate 11, the side fire protection plates 12 and the upper fire protection plate 13 can be expanded in an overlapping manner, and the overlapping width should be more than 50 mm.
Preferably, the fire integrity of the lower fire shield 11, side fire shield 12 and upper fire shield 13 should be greater than 2 hours; the fire resistance and heat insulation should be more than 2 hours; the combustion performance should not be lower than class a 1; the dry bending strength should be greater than 6 MPa; the hygroscopic deformation rate should be less than 0.20%; the water resistance is required to meet the requirements that after 30 days of test, the plate is free from cracking, peeling and falling off, and slight expansion and color change are allowed; the acid and alkali resistance is required to meet the requirement that after the test for 15 days, the plate is free from cracking, peeling and falling, and slight expansion and color change are allowed; the thickness of the plate should be more than 1cm, and the material must be non-magnetic material, so that the ferromagnetic circuit cannot be formed.
As shown in fig. 4, in order to further explain the working process of the embodiment, the device further comprises a smoke alarm device 7, an online monitoring device 8 and a communication device 9;
the smoke alarm device 7, the online monitoring device 8 and the communication device 9 are all arranged at the lower bottom of the upper fireproof plate 13, and the smoke alarm device 7 and the online monitoring device 8 are electrically connected with the communication device 9.
For further explaining the working process of the embodiment, the online monitoring device 8 includes a sheath current collector, a sheath current sensor, an anti-skimming detector and an over-temperature vibration alarm device;
the sheath current collector, the sheath current sensor, the anti-theft detector and the over-temperature vibration alarm device are all electrically connected with the communication device 9.
When the embodiment is implemented, the on-line monitoring device 8 may include any device for monitoring cables, such as a sheath current collector, a sheath current sensor, an anti-theft detector, an over-temperature vibration alarm device, a battery voltage monitoring device, and a camera device. The communication device 9 can send the data monitored by the smoke alarm device 7 and the on-line monitoring device 8 to the cable lean management platform.
To further illustrate the operation of this embodiment, the communication device 9 employs a Lora signal generator.
For further explaining the working process of the embodiment, the fireproof wrapping layer 3 adopts a fireproof blanket or a fireproof wrapping tape, and the fireproof blanket has a heat absorption and temperature reduction function.
For further explaining the working process of the embodiment, the portions of the cables 2 arranged in the fire-proof slot box 1 are all wrapped by the fire-proof wrapping layer 3.
To further illustrate the operation of this embodiment, the ends of the fire box 1 are filled with the fire-proof bag 4.
When this embodiment is implemented, the tip of fire prevention groove box 1 is filled by fire prevention package 4 for fire prevention groove box 1 is inside to have formed confined structure, and further the possibility that the intensity of a fire spread has been reduced.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A digital comprehensive protection device for a high-voltage cable joint is characterized by comprising a fireproof groove box (1), a fireproof wrapping layer (3) and a fireproof bag (4);
the fireproof wrapping layer (3) wraps a cable joint of the cable (2), and the cable joint is arranged in the fireproof groove box (1); the fireproof bag (4) is filled in the inner space of the fireproof groove box (1).
2. The digital integrated protection device for high-voltage cable joints according to claim 1, further comprising a fire extinguishing bomb (5); the fire extinguishing bomb (5) is arranged in the fireproof groove box (1) and is positioned on the fireproof wrapping layer (3).
3. The digital integrated protection device for high-voltage cable joints according to claim 1, characterized in that the fire-proof channel box (1) is arranged on a cable support (6).
4. The digital integrated protection device for the high-voltage cable joint according to claim 1, characterized in that the fire protection box (1) comprises a lower fire prevention plate (11), a side fire prevention plate (12) and an upper fire prevention plate (13); the lower fireproof plate (11) and the upper fireproof plate (13) are horizontally arranged, and the side fireproof plates (12) are vertically arranged;
the lower fire-proof plate (11) and the upper fire-proof plate (13) are fixedly connected through the side fire-proof plate (12);
the lower fireproof plate (11), the side fireproof plates (12) and the upper fireproof plate (13) enclose an inner space of the fireproof groove box (1).
5. The digital comprehensive protection device for the high-voltage cable joint according to claim 4, further comprising a smoke alarm device (7), an online monitoring device (8) and a communication device (9);
the smoke alarm device (7), the online monitoring device (8) and the communication device (9) are arranged at the lower bottom of the upper fireproof plate (13), and the smoke alarm device (7) and the online monitoring device (8) are electrically connected with the communication device (9).
6. The digital comprehensive protection device of the high-voltage cable joint according to claim 5, wherein the online monitoring device (8) comprises a sheath current collector, a sheath current sensor, an anti-skiving detector and an over-temperature vibration alarm device;
the sheath current collector, the sheath current sensor, the anti-theft detector and the over-temperature vibration alarm device are all electrically connected with the communication device (9).
7. A digital integrated protection device for high-voltage cable joints according to claim 5, characterized in that the communication device (9) employs a Lora signal generator.
8. The digital comprehensive protection device for the high-voltage cable joint as claimed in claim 1, wherein the fire-proof wrapping layer (3) is made of a fire blanket or a fire-proof wrapping tape, and the fire blanket has a heat absorption and cooling function.
9. The digital integrated protection device for the high-voltage cable joint according to claim 1, characterized in that the cable (2) is wrapped by the fireproof wrapping layer (3) at the portion arranged in the fireproof groove box (1).
10. Digital integrated protection device for high voltage cable joints according to claim 1, characterized in that the ends of the fire protection channel box (1) are filled with the fire protection bag (4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121264423.6U CN214626323U (en) | 2021-06-07 | 2021-06-07 | Digital comprehensive protection device for high-voltage cable connector |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121264423.6U CN214626323U (en) | 2021-06-07 | 2021-06-07 | Digital comprehensive protection device for high-voltage cable connector |
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| CN214626323U true CN214626323U (en) | 2021-11-05 |
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| CN202121264423.6U Active CN214626323U (en) | 2021-06-07 | 2021-06-07 | Digital comprehensive protection device for high-voltage cable connector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114552508A (en) * | 2022-03-03 | 2022-05-27 | 国网山东省电力公司临沂供电公司 | Omnibearing fire-proof explosion-proof device for tunnel dense cable |
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2021
- 2021-06-07 CN CN202121264423.6U patent/CN214626323U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114552508A (en) * | 2022-03-03 | 2022-05-27 | 国网山东省电力公司临沂供电公司 | Omnibearing fire-proof explosion-proof device for tunnel dense cable |
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