CN115359612A - Intelligent protection system for cable joint of power cabin of comprehensive pipe rack - Google Patents
Intelligent protection system for cable joint of power cabin of comprehensive pipe rack Download PDFInfo
- Publication number
- CN115359612A CN115359612A CN202210987362.9A CN202210987362A CN115359612A CN 115359612 A CN115359612 A CN 115359612A CN 202210987362 A CN202210987362 A CN 202210987362A CN 115359612 A CN115359612 A CN 115359612A
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- explosion
- insulation box
- fire extinguishing
- proof heat
- cable
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- 238000009413 insulation Methods 0.000 claims abstract description 34
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- WVSNNWIIMPNRDB-UHFFFAOYSA-N 1,1,1,3,3,4,4,5,5,6,6,6-dodecafluorohexan-2-one Chemical compound FC(F)(F)C(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F WVSNNWIIMPNRDB-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000000779 smoke Substances 0.000 claims abstract description 20
- 230000000007 visual effect Effects 0.000 claims abstract description 16
- 239000011152 fibreglass Substances 0.000 claims description 8
- QQZOPKMRPOGIEB-UHFFFAOYSA-N 2-Oxohexane Chemical compound CCCCC(C)=O QQZOPKMRPOGIEB-UHFFFAOYSA-N 0.000 claims description 3
- 230000005622 photoelectricity Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 19
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 7
- 239000007921 spray Substances 0.000 abstract description 4
- 239000003795 chemical substances by application Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
- A62C37/40—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with electric connection between sensor and actuator
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses an intelligent protection system for a cable joint of a power cabin of a comprehensive pipe rack, and relates to the technical field of cable joint protection. The invention comprises a high-voltage cable, wherein an explosion-proof heat insulation box is arranged on the outer side of the high-voltage cable, a photoelectric smoke detector and a temperature-sensitive detector are respectively arranged in the explosion-proof heat insulation box, and one end of the explosion-proof heat insulation box is provided with a non-pressure storage type perfluorohexanone fire extinguishing mechanism and two pressure relief ports; one side electric connection of photoelectric smoke detector and temperature-sensing detector has the warning bus, connects gradually controller, manual urgent start-stop switch and audible-visual annunciator on the warning bus. The invention conveniently sends out an alarm signal to the audible and visual alarm through the action of the controller, controls the working process of the non-stored pressure type perfluorohexanone fire extinguishing mechanism through the action of the input and output module, and further conveniently enables the non-stored pressure type perfluorohexanone fire extinguishing mechanism to spray fire extinguishing agent on a high-voltage cable in the explosion-proof heat insulation box.
Description
Technical Field
The invention belongs to the technical field of cable connectors, and particularly relates to an intelligent protection system for a cable connector of a power cabin of a comprehensive pipe rack.
Background
The utility tunnel is a tunnel space built underground in a city, and integrates various engineering pipelines such as electric power, communication, gas, heat supply, water supply and drainage and the like, so that the problem of urban traffic jam can be solved, the maintenance and the overhaul of municipal facilities such as electric power, communication and the like can be greatly facilitated, and meanwhile, the utility tunnel has certain shockproof and disaster reduction effects and plays a vital role in meeting the basic demands of people and improving the comprehensive bearing capacity of the city.
At present, utility corridors are composed of power, water, telecommunications and thermal compartments. The most easily-occurring fire hazard is the electric power cabin, the main reasons of the electric power cabin fire are electric power cable interphase short circuit, ground short circuit, poor contact, line overload and the like, and the fire spreading from the fire point to other areas is expanded by means of direct flame spread, heat conduction, heat radiation, heat convection and the like of combustible materials. To cable intensive piping lane that the cable probably catches fire serious return circuit, is easily influenced by the outside and is affected the conflagration, need set for the fire prevention and separate.
In the prior art, the method for extinguishing the fire of the utility tunnel comprises a dry powder ball fire extinguishing device, a water mist full flooding fire extinguishing device and a perfluorohexanone fire extinguishing device, but the existing fire extinguishing mode has the following defects in the fire extinguishing process: poor fire extinguishing effect, high fire extinguishing cost, easy generation of corrosive toxic decomposition products in the fire extinguishing process and obvious harm to the environment and human bodies.
Therefore, the processing system is small in size, good in fire extinguishing effect and capable of monitoring the joint in real time.
Disclosure of Invention
The invention aims to provide an intelligent protection system for a cable joint of a power cabin of a comprehensive pipe rack, which solves the problem existing in the existing comprehensive pipe rack fire extinguishing.
In order to solve the technical problems, the invention is realized by the following technical scheme:
an intelligent protection system for a cable joint of a utility tunnel power cabin comprises an explosion-proof heat insulation box, wherein a photoelectric smoke detector and a temperature-sensitive detector are respectively arranged inside the explosion-proof heat insulation box, and one end of the explosion-proof heat insulation box is respectively provided with a non-pressure storage type perfluorohexanone fire extinguishing mechanism and two pressure relief ports;
one side electric connection of photoelectricity smoke detector and temperature-sensing detector has alarm bus, has connected gradually controller, manual urgent start-stop switch and audible-visual annunciator on the alarm bus, and the one end of alarm bus (13) is connected with intelligent control system, and one side of non-pressure storage formula perfluor hexanone fire extinguishing mechanism is connected with input/output module, and electric connection has control bus between input/output module and the controller.
Optionally, a high-voltage cable is arranged inside the explosion-proof heat insulation box.
Optionally, three visual windows are arranged on the periphery of the explosion-proof heat insulation box, and the photoelectric smoke detector and the temperature-sensitive detector are located between two adjacent visual windows.
Optionally, the non-pressure storage type perfluorohexanone fire extinguishing mechanism is positioned on one side of the high-voltage cable and is symmetrical about the high-voltage cable.
Optionally, the pressure relief ports are located on both sides of the high voltage cable and are symmetrical about the high voltage cable.
Optionally, a start signal line and a feedback signal line are electrically connected between the non-pressure storage type perfluorohexanone fire extinguishing mechanism and the input/output module.
Optionally, the high-voltage cable is provided with a glass fiber reinforced plastic explosion-proof box on the periphery, and the explosion-proof heat-insulation box is located on the outer side of the glass fiber reinforced plastic explosion-proof box.
The embodiment of the invention has the following beneficial effects:
according to the embodiment of the invention, the high-voltage cable in the explosion-proof heat insulation box is conveniently monitored through the action of the photoelectric smoke detector and the temperature-sensitive detector, signals monitored by the photoelectric smoke detector and the temperature-sensitive detector are conveniently transmitted to the controller through the action of the alarm bus, an alarm signal is conveniently sent to the audible and visual alarm through the action of the controller, meanwhile, the controller can send a control signal to the input and output module through the control bus, an alarm is conveniently sent through the action of the audible and visual alarm, the working process of the audible and visual alarm is conveniently controlled manually through the action of the manual emergency start-stop switch, the working process of the non-pressure-storage type perfluorohexanone fire extinguishing mechanism is controlled through the action of the input and output module, further, the non-pressure-storage type perfluorohexanone fire extinguishing mechanism can conveniently spray fire extinguishing agent on the high-voltage cable in the heat insulation box, the sprayed signals are fed back to the controller through the action of the feedback signal line, the pressure relief operation on the pressure in the explosion-proof heat insulation box is conveniently through the action of the pressure relief port, the pressure in the explosion-proof heat insulation box is reduced, the pressure in the explosion-proof heat insulation box is conveniently protected in real-proof cable joint through the action of the photoelectric smoke detector and the temperature-sensitive detector and the controller, and the controller can simultaneously, and the controller can conveniently and can timely control the controller can make a dangerous situation of the non-storage mechanism.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic front perspective view of an embodiment of the present invention;
FIG. 2 is a schematic rear perspective view of an embodiment of the present invention;
FIG. 3 is a schematic internal perspective view of an embodiment of the present invention;
fig. 4 is a schematic control flow structure diagram according to an embodiment of the present invention.
Wherein the figures include the following reference numerals:
the fire extinguishing device comprises a bottom plate 1, a support column 2, a support column 3, a clamp 4, an explosion-proof heat insulation box 5, a visible window 6, a photoelectric smoke detector 7, a temperature-sensitive detector 8, a non-pressure storage type perfluoro hexanone fire extinguishing mechanism 9, a pressure relief opening 10, a glass fiber reinforced plastic explosion-proof box 11, a high-voltage cable 12, an alarm bus 13, a manual emergency start-stop switch 14, an audible and visual alarm 15, a controller 16, a control bus 17, an input and output module 18, a starting signal line 19 and a feedback signal line 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
In order to keep the following description of the embodiments of the invention clear and concise, a detailed description of known functions and known parts of the invention is omitted.
Referring to fig. 1-4, in the present embodiment, an intelligent protection system for a cable joint of a power cabin of a utility tunnel is provided, which includes a high-voltage cable 12, an explosion-proof heat insulation box 5 is disposed outside the high-voltage cable 12, a photoelectric smoke detector 7 and a temperature detector 8 are disposed around the explosion-proof heat insulation box 5, and a non-pressure-storage type perfluorohexanone fire extinguishing mechanism 9 and two pressure relief ports 10 are disposed at one end of the explosion-proof heat insulation box 5;
one side electric connection of photoelectric smoke detector 7 and temperature-sensitive detector 8 has alarm bus 13, alarm bus 13 is last to have connected gradually controller 16, manual urgent start-stop switch 14 and audible-visual annunciator 15, the one end of alarm bus (13) is connected with intelligent control system, intelligent control system can be according to photoelectric smoke detector 7 and the signal of temperature-sensitive detector 8 in the cable joint, intelligent early warning, the hierarchical warning, real-time, immediate give relevant personnel with alarm information transmission, one side of non-pressure storage formula perfluor hexanone fire extinguishing mechanism 9 is connected with input output module 18, electric connection has control bus 17 between input output module 18 and the controller 16.
The application of one aspect of the embodiment is as follows: when a fire disaster happens, the photoelectric smoke detector 7 and the temperature-sensitive detector 8 in the explosion-proof heat-insulation box 5 detect abnormal signals firstly, then send alarm signals to the controller 16 through the alarm bus 13, and then the controller 16 starts the audible and visual alarm 15 after receiving the alarm signals; and the non-stored pressure type perfluorohexanone fire extinguishing mechanism 9 is started through the corresponding input and output module 18, and finally, after the non-stored pressure type perfluorohexanone fire extinguishing mechanism 9 sprays, a feedback spraying signal is fed back to the controller 16 through the feedback signal line 20. It should be noted that all the electric devices referred to in this application may be powered by a storage battery or an external power source.
The high-voltage cable 12 in the explosion-proof heat insulation box 5 is conveniently monitored through the action of the photoelectric smoke detector 7 and the temperature-sensitive detector 8, signals monitored by the photoelectric smoke detector 7 and the temperature-sensitive detector 8 are conveniently transmitted to the controller 16 through the action of the alarm bus 13, an alarm signal is conveniently sent to the audible and visual alarm 15 through the action of the controller 16, meanwhile, the controller 16 can send a control signal to the input and output module 18 through the control bus 17, an alarm is conveniently sent through the action of the audible and visual alarm 15, the working process of the audible and visual alarm 15 is conveniently controlled manually through the action of the manual emergency start-stop switch 14, the working process of the non-pressure storage type perfluorohexanone fire extinguishing mechanism 9 is controlled through the action of the input and output module 18, further, the non-pressure storage type perfluorohexanone fire extinguishing mechanism 9 can conveniently spray fire extinguishing agent on the high-voltage cable 12 in the explosion-proof heat insulation box 5, the signal after being sprayed is fed back to the controller 16 through the action of the feedback signal line 20, the pressure relief port 10 is convenient to carry out pressure relief operation on the pressure in the explosion-proof heat insulation box 5, the pressure-proof heat insulation box 5 is reduced, the intelligent smoke detector 7, the controller 16 can carry out real-time protection treatment on the perfluorohexanone protection joint, and the non-storage type thermal detector 16, and the control of the thermal detector, and the thermal protection joint is carried out on the control.
Referring to fig. 1-3, the explosion-proof heat-insulation box of the present embodiment further includes a bottom plate 1, a support column 2 and a support column 3 are disposed on one side of the bottom plate 1, an explosion-proof heat-insulation box 5 is disposed on an upper side of the support column 3, the support column 2 and the support column 3 are conveniently fixed on a wall surface through the bottom plate 1, and a high-voltage cable 12 and the explosion-proof heat-insulation box 5 are conveniently supported through the support column 2 and the support column 3.
Referring to fig. 1-2, two clamps 4 are disposed on the upper side of the supporting column 3 of the present embodiment, the clamps 4 are located on the periphery of the explosion-proof heat-insulating box 5, the lengths of the supporting column 2 and the supporting column 3 are 460mm, the distance between the explosion-proof heat-insulating box 5 and the supporting column 2 is 180mm, the explosion-proof heat-insulating box 5 is conveniently fixed on the upper side of the supporting column 3 through the action of the clamps 4, and the possibility that the explosion-proof heat-insulating box 5 falls off from the supporting column 3 is reduced.
Referring to fig. 1-2, three visual windows 6 are disposed on the periphery of the explosion-proof heat-insulating box 5, the photoelectric smoke detector 7 and the temperature-sensitive detector 8 are disposed between two adjacent visual windows 6, the non-pressure storage type perfluorohexanone fire extinguishing mechanism 9 is disposed on one side of the high-voltage cable 12, the pressure relief ports 10 are disposed on two sides of the high-voltage cable 12 and are symmetrical with respect to the high-voltage cable 12, and the condition of the glass fiber reinforced plastic explosion-proof box 11 in the explosion-proof heat-insulating box 5 can be observed conveniently through the visual windows 6.
Referring to fig. 4, a start signal line 19 and a feedback signal line 20 are electrically connected between the non-stored pressure type perfluorohexanone fire extinguishing mechanism 9 and the input/output module 18, so that the start signal line 19 is used to transmit the start signal to the non-stored pressure type perfluorohexanone fire extinguishing mechanism 9, and the feedback signal line 20 is used to transmit the feedback signal to the input/output module 18.
Referring to fig. 3, the high voltage cable 12 of the present embodiment is provided with the explosion-proof box 11 made of glass fiber reinforced plastic on the periphery, and the explosion-proof heat insulation box 5 is located outside the explosion-proof box 11 made of glass fiber reinforced plastic, so that the high voltage cable 12 is protected by the explosion-proof box 11, and the influence of the explosion of the high voltage cable 12 on other high voltage cables 12 is reduced.
The above embodiments may be combined with each other.
It should be noted that in the description of the present specification, descriptions such as "first", "second", etc. are only used for distinguishing features, and do not have actual sequence or directional meaning, and the present application is not limited thereto.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The utility model provides a utility tunnel power compartment cable joint intelligence protection system which characterized in that includes: the device comprises an explosion-proof heat-insulation box (5), wherein a photoelectric smoke detector (7) and a temperature-sensitive detector (8) are respectively arranged inside the explosion-proof heat-insulation box (5), and one end of the explosion-proof heat-insulation box (5) is provided with a non-pressure-storage type perfluorohexanone fire extinguishing mechanism (9) and two pressure relief ports (10);
one side electric connection of photoelectricity smoke detector (7) and temperature-sensing detector (8) has alarm bus (13), it has controller (16) to connect gradually on alarm bus (13), manual urgent start-stop switch (14) and audible-visual annunciator (15), the one end of alarm bus (13) is connected with intelligent control system, can be according to the detection device's in the cable joint signal, carry out intelligent early warning and hierarchical warning, one side of non-storage pressure formula perfluor hexanone fire extinguishing mechanism (9) is connected with input/output module (18), electric connection has control bus (17) between input/output module (18) and controller (16).
2. The intelligent protection system for the cable joints of the power compartment of the utility tunnel according to claim 1, wherein the high-voltage cable (12) is arranged inside the explosion-proof heat-insulation box (5).
3. The intelligent protection system for the cable joint of the power cabin of the utility tunnel according to claim 1, characterized in that three visual windows (6) are arranged on the periphery of the explosion-proof heat-insulation box (5), and the photoelectric smoke detector (7) and the temperature-sensitive detector (8) are positioned between two adjacent visual windows (6).
4. The intelligent protection system for the cable joint of the power compartment of the utility tunnel according to claim 1, wherein the unpressurized perfluorohexanone fire extinguishing mechanism (9) is positioned at one side of the high-voltage cable (12).
5. The intelligent protection system for the cable joint of the power compartment of the utility tunnel according to claim 1, characterized in that the pressure relief ports (10) are located on both sides of the high voltage cable (12) and are symmetrical with respect to the high voltage cable (12).
6. The intelligent protection system for the cable joint of the power cabin of the utility tunnel according to claim 1, characterized in that a starting signal line (19) and a feedback signal line (20) are electrically connected between the non-pressure storage type perfluorohexanone fire extinguishing mechanism (9) and the input and output module (18).
7. The intelligent protection system for the cable joint of the utility tunnel power cabin according to claim 1, characterized in that a glass fiber reinforced plastic explosion-proof box (11) is arranged on the periphery of the high-voltage cable (12), and the explosion-proof heat insulation box (5) is positioned outside the glass fiber reinforced plastic explosion-proof box (11).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210987362.9A CN115359612A (en) | 2022-08-17 | 2022-08-17 | Intelligent protection system for cable joint of power cabin of comprehensive pipe rack |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210987362.9A CN115359612A (en) | 2022-08-17 | 2022-08-17 | Intelligent protection system for cable joint of power cabin of comprehensive pipe rack |
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CN202210987362.9A Pending CN115359612A (en) | 2022-08-17 | 2022-08-17 | Intelligent protection system for cable joint of power cabin of comprehensive pipe rack |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN206742832U (en) * | 2017-05-17 | 2017-12-12 | 广州凌克电力设备有限公司 | A kind of explosion-proof type cable accessory |
CN212518366U (en) * | 2020-07-09 | 2021-02-09 | 浙江金钺电力科技有限公司 | Novel cable joint explosion-proof box of fire extinguishing medium |
CN213185467U (en) * | 2020-09-25 | 2021-05-11 | 威特龙消防安全集团股份公司 | Intelligent fireproof and explosion-proof device for cable intermediate joint |
CN216295054U (en) * | 2021-07-09 | 2022-04-15 | 杭州智维物联科技有限公司 | Automatic fire extinguishing system for enclosed space based on perfluorohexanone fire extinguishing medium |
CN114865578A (en) * | 2022-05-16 | 2022-08-05 | 广东电网有限责任公司东莞供电局 | Intelligent cable joint explosion-proof equipment |
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2022
- 2022-08-17 CN CN202210987362.9A patent/CN115359612A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN206742832U (en) * | 2017-05-17 | 2017-12-12 | 广州凌克电力设备有限公司 | A kind of explosion-proof type cable accessory |
CN212518366U (en) * | 2020-07-09 | 2021-02-09 | 浙江金钺电力科技有限公司 | Novel cable joint explosion-proof box of fire extinguishing medium |
CN213185467U (en) * | 2020-09-25 | 2021-05-11 | 威特龙消防安全集团股份公司 | Intelligent fireproof and explosion-proof device for cable intermediate joint |
CN216295054U (en) * | 2021-07-09 | 2022-04-15 | 杭州智维物联科技有限公司 | Automatic fire extinguishing system for enclosed space based on perfluorohexanone fire extinguishing medium |
CN114865578A (en) * | 2022-05-16 | 2022-08-05 | 广东电网有限责任公司东莞供电局 | Intelligent cable joint explosion-proof equipment |
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Application publication date: 20221118 |
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