CN112467417A - Improved structure of flexible fireproof cable intermediate connection joint - Google Patents
Improved structure of flexible fireproof cable intermediate connection joint Download PDFInfo
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- CN112467417A CN112467417A CN202110117639.8A CN202110117639A CN112467417A CN 112467417 A CN112467417 A CN 112467417A CN 202110117639 A CN202110117639 A CN 202110117639A CN 112467417 A CN112467417 A CN 112467417A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/03—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
- H01R11/09—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations the connecting locations being identical
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/527—Flameproof cases
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6581—Shield structure
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Thermal Insulation (AREA)
Abstract
The invention discloses an improved structure of a middle connecting joint of a flexible fireproof cable, which comprises a connecting sleeve and two mounting pipe fittings, wherein a semiconductor shielding layer is arranged on the outer wall of the connecting sleeve, a heat insulation layer is wrapped outside the semiconductor shielding layer, a flame retardant layer is arranged outside the heat insulation layer, an outer wrapping rubber is wound on the outer wall of the flame retardant layer, thread grooves are formed in two ends of the semiconductor shielding layer, threads matched with the thread grooves are carved on the outer wall of one end, with the size matched with that of the connecting sleeve, of each mounting pipe fitting, a mounting groove is formed in each mounting pipe fitting, the mounting groove is connected with a cable, a cable wrapping layer covers the outer side of the cable, and a cooling device and an alarm device are arranged in the connecting sleeve. The cable cooling device is simple in structure and convenient to operate, can achieve a strong protection effect on a cable, can cool the middle joint, and can automatically alarm when a fire disaster happens.
Description
Technical Field
The invention relates to the field of intermediate joints, in particular to an improved structure of an intermediate connecting joint of a flexible fireproof cable.
Background
An intermediate joint is generally referred to as a cable intermediate joint, i.e. a cable joint in the middle of a cable run. The intermediate connector is a cable accessory for the intermediate connection of cross-linked cables or oil-immersed cables of various voltage classes. The main function is to keep the circuit smooth, keep the cable sealed, and ensure the insulation grade at the cable joint, so that the cable can run safely and reliably.
The unable fine guard action to the cable of current intermediate head, simultaneously when the live time is longer, it can be ageing to connect, and resistance can increase thereupon, thereby the temperature that leads to intermediate head can rise, current intermediate head can't cool down to self, thereby cause the influence to the normal operating of cable, in addition, when the conflagration takes place, current intermediate head can't realize reporting to the police, thereby make the staff put out a fire and the maintenance is not timely enough, so that very big economic loss has been caused.
Disclosure of Invention
The invention aims to solve the defects in the prior art, such as: the breeding can not be cooled, automatic alarm can not be given when fire occurs, and the improved structure of the middle connecting joint of the flexible fireproof cable is provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
an improved structure of a middle connecting joint of a flexible fireproof cable comprises a connecting sleeve and two mounting pipe fittings, wherein one end of each mounting pipe fitting is matched with the connecting sleeve in size, a semiconductor shielding layer is arranged on the outer wall of the connecting sleeve, a heat insulation layer is wrapped outside the semiconductor shielding layer, a flame retardant layer is arranged outside the heat insulation layer, a gap is reserved between the heat insulation layer and the flame retardant layer, an outer wrapping rubber is wound on the outer wall of the flame retardant layer, thread grooves are formed in both ends of the semiconductor shielding layer, threads matched with the thread grooves are carved on the outer wall of one end, matched with the connecting sleeve, of each mounting pipe fitting in size, the two mounting pipe fittings are correspondingly connected with the thread grooves and the connecting sleeve respectively through the threads, a mounting groove is formed in each mounting pipe fitting, the mounting groove is connected with a cable, and a cable wrapping layer is covered on the outer, a cooling device and an alarm device are arranged in the connecting sleeve.
Preferably, the cable is divided into two layers, the size of the cable positioned in the middle is matched with the connecting sleeve, and the size of the cable positioned on the outer side is matched with the mounting groove.
Preferably, the cooling device comprises an annular cavity, the annular cavity is arranged in the side wall of the mounting groove on one side, two nozzles are fixedly connected to the side wall of the mounting groove, the two nozzles are arranged towards the connecting sleeve, the two nozzles are respectively arranged at the upper end and the lower end of the mounting groove, a connecting channel is arranged between the two nozzles and the annular cavity, the diameter of one side, close to the nozzles, of the connecting channel is larger than that of the side, far away from the nozzles, of the connecting channel, a sealing plate is connected in the connecting channel in a sliding manner, two springs which are transversely arranged are fixedly connected to the side wall, close to the annular cavity, of the sealing plate, the other ends of the two springs are fixedly connected to the corresponding side wall of the annular cavity, a sealing cushion block is fixedly arranged on the outer side of each spring, the sealing cushion block is arranged in a manner to be attached to, and dry ice is filled in the annular cavity.
Preferably, the alarm device comprises an alarm, the installation pipe fitting is provided with a connecting cavity, the connecting cavity is arranged at the bottom end of the installation pipe fitting at the other end and penetrates through the lower wall of the installation groove, the connecting cavity and the inner part are fixedly connected with a conductive block, the conductive block is arranged at the bottom end of the connecting cavity, the alarm is fixedly connected at the bottom end of the connecting cavity at the other end, an alarm shell is arranged at the outer side of the alarm and is also fixedly connected at the bottom end of the connecting cavity, the inner part of the connecting cavity is slidably connected with a conductive plate, two ends of the conductive plate are fixedly connected with sliding blocks, the side wall of the connecting cavity is also provided with sliding grooves correspondingly matched with the two sliding blocks, one side of the two sliding blocks, far away from the conductive plate, is fixedly connected with two symmetrically arranged fixed, the fixed axle is last to rotate the cover and to be equipped with the gyro wheel, the gyro wheel pastes the setting with the lateral wall of spout mutually, it has mercury to fill between conducting block and the current conducting plate, conducting block and current conducting plate all adopt the preparation of metal copper to form.
Preferably, the side wall of the conductive plate is wrapped with a sealing layer made of rubber, and the alarm housing is made of a heat-resistant and transparent wholly aromatic polyimide resin material.
Preferably, two clamping grooves are formed in the outer wall of the middle of each installation pipe fitting and are respectively located at the top end and the bottom end of each installation pipe fitting, and fixing belts are connected between the corresponding two clamping grooves.
Preferably, the flame-retardant layer is made of low-smoke halogen-free polyolefin material, and the heat insulation layer is made of porous foam.
Compared with the prior art, the invention has the beneficial effects that: adopt multilayer parcel layer, can play stronger protection effect to the cable, be equipped with the heat sink, can cool down the processing to the junction in the centering to be favorable to the normal operating of cable, simultaneously, can automatic alarm when the conflagration breaing out, be favorable to the staff in time to put out a fire and maintain, reduced economic loss.
Drawings
FIG. 1 is a schematic structural view of an improved structure of an intermediate connection joint of a flexible fireproof cable according to the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is an enlarged view at B of FIG. 1;
fig. 4 is a schematic structural view of a connection sleeve of an improved structure of a flexible fireproof cable intermediate connection joint according to the present invention.
In the figure: the device comprises a connecting sleeve 1, a semiconductor shielding layer 2, a heat insulation layer 3, a flame-retardant layer 4, a rubber coating 5, a mounting pipe 6, a mounting groove 7, a thread groove 8, a clamping groove 9, a cable 10, a cable wrapping layer 11, a nozzle 12, an annular cavity 13, a sliding groove 14, an alarm shell 15, an alarm 16, a conductive block 17, a connecting channel 18, a spring 19, a sealing cushion block 20, a sealing plate 21, a connecting cavity 22, a conductive plate 23, a sliding block 24, a fixing plate 25, a fixing shaft 26 and a roller 27.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-4, an improved structure of a flexible fireproof cable intermediate connector comprises a connecting sleeve 1 and two installation pipe fittings 6, two clamping grooves 9 are respectively arranged on the outer wall of the middle of the two installation pipe fittings 6, the two clamping grooves 9 are respectively arranged at the top end and the bottom end of the installation pipe fittings 6, a fixing band is connected between the two corresponding clamping grooves 9, one end of the installation pipe fitting 6 is matched with the connecting sleeve 1 in size, a cable 10 is divided into two layers, the size of the cable 10 in the middle is matched with the connecting sleeve 1, the size of the cable 10 at the outer side is matched with the installation groove 7, a semiconductor shielding layer 2 is arranged on the outer wall of the connecting sleeve 1, a heat insulation layer 3 is wrapped on the outer side of the semiconductor shielding layer 2, the heat insulation layer 3 can prevent the influence of the external temperature on the inside, so that the conductivity of the heat, a gap is reserved between the heat insulation layer 3 and the flame retardant layer 4, the flame retardant layer 4 can play a role of protecting the device when catching fire and avoid the combustion of the inside, the gap can lead the outside temperature to be transmitted to the heat insulation layer 3 and be reduced to a certain extent, the flame retardant layer 4 plays a role of protecting, the outer wall of the flame retardant layer 4 is wound with an outer wrapping rubber 5, both ends of the semiconductor shielding layer 2 are respectively provided with a thread groove 8, the outer wall of one end of the two installation pipe fittings 6, the size of which is matched with that of the connecting sleeve 1, is engraved with a thread matched with the thread groove 8, the two installation pipe fittings 6 are respectively and correspondingly connected with the thread groove 8 and the connecting sleeve 1 through the thread, the installation pipe fittings 6 are provided with an installation groove 7, the installation groove 7 is connected with a cable 10, the outer side of the cable 10 is covered with a cable wrapping layer 11, a cooling device and an alarm device are arranged in, two nozzles 12 are fixedly connected to the side wall of the mounting groove 7, the two nozzles 12 are both arranged towards the connecting sleeve 1, the two nozzles 12 are respectively arranged at the upper end and the lower end of the mounting groove 7, a connecting channel 18 is arranged between the two nozzles 12 and the annular cavity 13, the diameter of one side, close to the nozzles 12, of the connecting channel 18 is larger than that of one side, far away from the nozzles 12, a sealing plate 21 is connected in the connecting channel 18 in a sliding manner, two springs 19 which are transversely arranged are fixedly connected to the side wall of one side, close to the annular cavity 13, of the sealing plate 21, the other ends of the two springs 19 are fixedly connected to the corresponding side wall of the annular cavity 13, a sealing cushion block 20 is fixedly arranged on the outer side of each spring 19, the sealing cushion block 20 is attached to the inner wall of the connecting channel 18, a plurality of vent holes communicated with the connecting channel 18 are, the phenomenon of resistance rise can occur, the overhigh resistance can cause the overhigh temperature at the joint, meanwhile, the overhigh temperature can possibly cause the external combustion of the device, the dry ice in the annular cavity 13 can be sublimated into carbon dioxide in a short time after being ignited, so that very large pressure is caused, great pressure is formed on the sealing plate 21, the sealing plate 21 is moved to the other side of the connecting channel 18 by the pressure, when the sealing plate 21 is moved to one end of the connecting channel 18 close to the nozzle 12, the diameter of the connecting channel 18 at the position is larger than that of the other end, the nozzle 12 cannot be sealed by the sealing plate 21, the gas in the annular cavity 13 is sprayed out from the nozzle 12 to cool the device, meanwhile, the carbon dioxide can play a certain role of fire extinguishing, can also play a certain role of slowing down a small fire, and can also play a certain role of slowing down a large fire, thereby being beneficial to the fire extinguishing work of workers, the alarm device comprises an alarm device 16, a connecting cavity 22 is formed in the installation pipe fitting 6, the connecting cavity 22 is arranged at the bottom end of the installation pipe fitting 6 at the other end, the connecting cavity 22 penetrates through the lower wall of the installation groove 7, the connecting cavity 22 and the inner part are fixedly connected with a conductive block 17, the conductive block 17 is arranged at the bottom end of the connecting cavity 22, the alarm device 16 is fixedly connected at the bottom end of the connecting cavity 22 at the other end, an alarm device shell 15 is arranged on the outer side of the alarm device 16, the alarm device shell 15 is also fixedly connected at the bottom end of the connecting cavity 22, a conductive plate 23 is slidably connected inside the connecting cavity 22, sliding blocks 24 are fixedly connected at two ends of the conductive plate 23, sliding grooves 14 correspondingly matched with the two sliding blocks 24 are also formed in the side wall of the connecting cavity 22, two symmetrically-arranged fixing plates 25 are, the fixed axle 26 is rotatably sleeved with a roller 27, the roller 27 is attached to the side wall of the sliding groove 14, the roller 27 can convert sliding friction into rolling friction, thereby reducing the friction between the sliding block 24 and the sliding groove 14, making alarm more timely, preventing accidents, mercury is filled between the conductive block 17 and the conductive plate 23, the conductive block 17 and the conductive plate 23 are both made of metal copper, when the temperature rises, the mercury between the connecting cavity 22 and the conductive plate 23 can be heated and expanded, thereby pushing the conductive plate 23 in the connecting cavity 22 to slide upwards, when the temperature reaches a certain temperature, the conductive plate 23 is contacted with the cable 10 in the installation pipe fitting 6, thereby passing the current through the conductive plate 23, mercury and the conductive block 17 to the alarm 16, making the alarm 16 give an alarm, prompting the worker that the temperature of the device is too high, in time processing is needed, preventing the problem from being processed insufficiently and causing larger problem when the problem occurs, the side wall of the conducting plate 23 is wrapped with a sealing layer made of rubber, the alarm shell 15 is made of heat-resistant and transparent wholly aromatic polyimide resin material, the flame-retardant layer 4 is made of low-smoke halogen-free polyolefin material, and the heat-insulating layer 3 is made of porous foam.
In the invention, after the intermediate joint is used for a long time, the resistance is increased due to the aging of the intermediate joint, the temperature at the joint is overhigh due to overhigh resistance, the external combustion of the device can be caused due to overhigh temperature, the dry ice in the annular cavity 13 can be sublimated into carbon dioxide in a short time after being ignited, so that very high pressure is generated, the sealing plate 21 forms extremely high pressure, the sealing plate 21 moves towards the other side of the connecting channel 18 due to the pressure, when the sealing plate 21 moves to one end of the connecting channel 18 close to the nozzle 12, the diameter of the connecting channel 18 is larger than that of the other end, so that the nozzle 12 cannot be sealed by the sealing plate 21, the gas in the annular cavity 13 is sprayed out from the nozzle 12 to cool the device, meanwhile, the carbon dioxide can play a certain fire extinguishing role, can extinguish a tiny fire, and can play a certain role in slowing down a large fire, is beneficial to the fire extinguishing work of the staff.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The improved structure of the flexible fireproof cable intermediate connection joint comprises a connection sleeve (1) and two installation pipe fittings (6), wherein one end of each installation pipe fitting (6) is matched with the connection sleeve (1) in size, the improved structure is characterized in that a semiconductor shielding layer (2) is arranged on the outer wall of the connection sleeve (1), a heat insulation layer (3) is wrapped outside the semiconductor shielding layer (2), a flame retardant layer (4) is arranged outside the heat insulation layer (3), a gap is reserved between the heat insulation layer (3) and the flame retardant layer (4), an outer wrapping rubber (5) is wound on the outer wall of the flame retardant layer (4), thread grooves (8) are formed in two ends of the semiconductor shielding layer (2), and threads matched with the thread grooves (8) are carved on the outer wall of one end, matched with the connection sleeve (1), of the size of each installation pipe fitting (6), two installation pipe fitting (6) correspond respectively through screw thread and thread groove (8) and adapter sleeve (1) and are connected, installation groove (7) have been seted up on installation pipe fitting (6), installation groove (7) are connected with cable (10), the cover in cable (10) outside is provided with cable parcel layer (11), be provided with heat sink and alarm device in adapter sleeve (1).
2. The improved structure of the flexible fireproof cable intermediate connection joint as recited in claim 1, wherein the cable (10) is divided into two layers, the size of the cable (10) located in the middle is matched with the connection sleeve (1), and the size of the cable (10) located on the outer side is matched with the installation groove (7).
3. The improved structure of the intermediate connecting joint of the flexible fireproof cable according to claim 1, wherein the temperature reduction device comprises an annular cavity (13), the annular cavity (13) is arranged in the side wall of the mounting groove (7) on one side, two nozzles (12) are fixedly connected to the side wall of the mounting groove (7), both the nozzles (12) are arranged towards the connecting sleeve (1), the two nozzles (12) are respectively arranged at the upper end and the lower end of the mounting groove (7), a connecting channel (18) is arranged between the two nozzles (12) and the annular cavity (13), the diameter of the side of the connecting channel (18) close to the nozzles (12) is larger than that of the side far away from the nozzles (12), a sealing plate (21) is slidably connected in the connecting channel (18), and two transversely arranged springs (19) are fixedly connected to the side wall of the sealing plate (21) close to the annular cavity (13), the other end fixed connection of two spring (19) is on the lateral wall of the annular cavity (13) that corresponds, the outside of spring (19) is fixed and is provided with sealing pad (20), sealing pad (20) pastes the setting mutually with the inner wall of interface channel (18), the lateral wall of annular cavity (13) is provided with a plurality of and the communicating air vent of interface channel (18), annular cavity (13) intussuseption is filled with dry ice.
4. The improved structure of the middle connection joint of the flexible fireproof cable according to claim 1, wherein the alarm device comprises an alarm (16), the installation pipe (6) is provided with a connection cavity (22), the connection cavity (22) is arranged at the bottom end of the installation pipe (6) at the other end, the connection cavity (22) penetrates through the lower wall of the installation groove (7), the connection cavity (22) and the inner part are fixedly connected with a conductive block (17), the conductive block (17) is arranged at the bottom end of the connection cavity (22), the alarm (16) is fixedly connected at the bottom end of the connection cavity (22) at the other side, an alarm shell (15) is arranged at the outer side of the alarm (16), the alarm shell (15) is also fixedly connected at the bottom end of the connection cavity (22), and the connection cavity (22) is internally and slidably connected with a conductive plate (23), both ends fixedly connected with slider (24) of current conducting plate (23), also set up spout (14) that correspond the matching with two slider (24), two on the lateral wall of connection chamber (22) fixed plate (25) that two symmetries of the equal fixedly connected with in one side of current conducting plate (23) set up are kept away from in slider (24) fixed connection fixed axle (26) between fixed plate (25), it is equipped with gyro wheel (27) to rotate the cover on fixed axle (26), gyro wheel (27) paste the setting with the lateral wall of spout (14) mutually, it has mercury to fill between current conducting block (17) and current conducting plate (23), current conducting block (17) and current conducting plate (23) all adopt metal copper to make and form.
5. The improved structure of the flexible fireproof cable intermediate joint according to claim 4, wherein the side wall of the conductive plate (23) is wrapped with a sealing layer made of rubber, and the alarm housing (15) is made of a heat-resistant and transparent wholly aromatic polyimide resin material.
6. The improved structure of the middle joint of the flexible fireproof cable according to claim 1, wherein two clamping grooves (9) are formed in the outer wall of the middle of each of the two installation pipe fittings (6), the two clamping grooves (9) are respectively formed at the top end and the bottom end of each installation pipe fitting (6), and a fixing band is connected between each corresponding two clamping grooves (9).
7. The improved structure of the flexible fireproof cable intermediate connection joint according to claim 1, wherein the flame retardant layer (4) is made of a low smoke zero halogen polyolefin material, and the thermal insulation layer (3) is made of porous foam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110117639.8A CN112467417B (en) | 2021-01-28 | 2021-01-28 | Improved structure of flexible fireproof cable intermediate connection joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110117639.8A CN112467417B (en) | 2021-01-28 | 2021-01-28 | Improved structure of flexible fireproof cable intermediate connection joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112467417A true CN112467417A (en) | 2021-03-09 |
| CN112467417B CN112467417B (en) | 2021-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110117639.8A Active CN112467417B (en) | 2021-01-28 | 2021-01-28 | Improved structure of flexible fireproof cable intermediate connection joint |
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| CN (1) | CN112467417B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114284816A (en) * | 2021-12-13 | 2022-04-05 | 陕西航空电气有限责任公司 | Adapter for aircraft engine ignition system |
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| CN211089100U (en) * | 2019-12-16 | 2020-07-24 | 上泰电气有限公司 | Intelligent fireproof flame-retardant explosion-proof shell for high-voltage cable intermediate joint |
| CN112018715A (en) * | 2020-08-31 | 2020-12-01 | 广东电网有限责任公司广州供电局 | Fireproof and explosion-proof device for cable intermediate joint |
| CN112186707A (en) * | 2020-10-23 | 2021-01-05 | 长缆电工科技股份有限公司 | Fireproof flame-proof type cable intermediate joint |
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2021
- 2021-01-28 CN CN202110117639.8A patent/CN112467417B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104134956A (en) * | 2014-08-18 | 2014-11-05 | 国家电网公司 | Fireproof cable sleeve |
| US20170042050A1 (en) * | 2015-08-04 | 2017-02-09 | Federal-Mogul Powertrain, Llc | Thermal sleeve with reflective positioning member, assembly therewith and method of construction thereof |
| CN209046235U (en) * | 2018-10-23 | 2019-06-28 | 江苏金桥线缆有限公司 | A kind of copper core polyvinyl chloride-insulated polyvinyl chloride flexible cable connector |
| CN209282805U (en) * | 2019-02-25 | 2019-08-20 | 四川赛康智能科技股份有限公司 | A kind of cable intermediate joint explosion-proof fire-extinguishing and state monitoring apparatus |
| CN211089101U (en) * | 2019-09-30 | 2020-07-24 | 江苏华侃核电器材科技有限公司 | High-temperature-resistant flexible fireproof cable intermediate joint |
| CN211089100U (en) * | 2019-12-16 | 2020-07-24 | 上泰电气有限公司 | Intelligent fireproof flame-retardant explosion-proof shell for high-voltage cable intermediate joint |
| CN112018715A (en) * | 2020-08-31 | 2020-12-01 | 广东电网有限责任公司广州供电局 | Fireproof and explosion-proof device for cable intermediate joint |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114284816A (en) * | 2021-12-13 | 2022-04-05 | 陕西航空电气有限责任公司 | Adapter for aircraft engine ignition system |
| CN114284816B (en) * | 2021-12-13 | 2024-05-03 | 陕西航空电气有限责任公司 | Adapter for aeroengine ignition system |
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| Publication number | Publication date |
|---|---|
| CN112467417B (en) | 2021-08-24 |
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