CN220934840U - Insulating plug with fire extinguishing and temperature measuring functions - Google Patents
Insulating plug with fire extinguishing and temperature measuring functions Download PDFInfo
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- CN220934840U CN220934840U CN202321622471.7U CN202321622471U CN220934840U CN 220934840 U CN220934840 U CN 220934840U CN 202321622471 U CN202321622471 U CN 202321622471U CN 220934840 U CN220934840 U CN 220934840U
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- 239000002184 metal Substances 0.000 claims abstract description 59
- 210000001503 joint Anatomy 0.000 claims abstract description 22
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 abstract description 11
- 230000002159 abnormal effect Effects 0.000 abstract description 7
- 230000032683 aging Effects 0.000 abstract description 4
- 239000003094 microcapsule Substances 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 230000001629 suppression Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000005856 abnormality Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002088 nanocapsule Substances 0.000 description 1
- 239000002056 nanofire structure Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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Abstract
The utility model provides an insulating plug with fire extinguishing and temperature measuring functions, which comprises an insulating plug main body, a fire extinguishing piece and a temperature measuring part, wherein the insulating plug main body is provided with a butt joint end and an operation end, a metal conductive piece is embedded in the butt joint end of the insulating plug main body, and a step hole is formed in the metal conductive piece; the fire extinguishing piece is arranged on the end wall of the butt joint end of the insulating plug main body and/or the inner wall of the step hole of the metal conductive piece; the temperature measuring component is embedded in the inner wall of the step hole of the metal conductive piece and/or is tightly attached to the outer wall of the metal conductive piece. The utility model has the advantages that: through setting up fire extinguishing member and temperature measurement part simultaneously in insulating stopper for when cable joint appears overtemperature or the condition of catching fire because of factors such as installation failure, current abnormal variation, overload operation or later stage ageing, both conveniently realize reporting to the police, can utilize fire extinguishing member in time to put out a fire again, consequently can effectively avoid the conflagration to take place, and then reduce the loss because of the conflagration brings.
Description
[ Field of technology ]
The utility model relates to the technical field of insulating plugs, in particular to an insulating plug with fire extinguishing and temperature measuring functions.
[ Background Art ]
The cable joint of the existing high-voltage ring main unit is positioned at the cable joint of the key joint surface of the cable inlet and outlet of the switch cabinet and the butt joint bus sleeve of the high-voltage cable branch box, and due to the influences of factors such as poor installation, abnormal current change, overload operation or later aging, the phenomena such as overheat condition or creepage can occur after a period of operation time, equipment faults and fire disasters can be caused, and the method has great significance in temperature monitoring at the cable joint.
The insulating plug (namely a cable plug) is an important component part of a cable connector, in order to realize temperature monitoring of the cable connector, china patent application number 202120911377.8 discloses a cable plug with a wireless passive temperature measuring device, and the cable plug comprises an insulating main body of the cable plug, a receiving and transmitting antenna, a metal heat conducting piece and an RFID temperature measuring tag, wherein the metal heat conducting piece and the RFID temperature measuring tag are cast together with the insulating main body of the cable plug, the two RFID temperature measuring tags are respectively fastened on two sides of the outer wall of the metal heat conducting piece in a contact manner, the RFID temperature measuring tag comprises a miniature intelligent temperature sensor and a passive ultrahigh frequency RFID chip, and the receiving and transmitting antenna is arranged on the side face in a switch cabinet. The existing cable plug can monitor the temperature, but when the temperature is abnormal, workers cannot arrive at the site to enter the cable plug immediately, so that the fire cannot be effectively avoided. In view of the above problems, the present inventors have conducted intensive studies on the problems, and have produced the present utility model.
[ utility model ]
The utility model aims to solve the technical problem of providing an insulating plug with fire extinguishing and temperature measuring functions, and solves the problem that the existing cable plug cannot effectively avoid fire.
The utility model is realized in the following way: the insulating plug with the fire extinguishing and temperature measuring functions comprises an insulating plug main body, a fire extinguishing piece and a temperature measuring part, wherein the insulating plug main body is provided with a butt joint end and an operation end, a metal conductive piece is embedded in the butt joint end of the insulating plug main body, and a step hole is formed in the metal conductive piece; the fire extinguishing piece is arranged on the end wall of the butt joint end of the insulating plug main body and/or the inner wall of the step hole of the metal conductive piece; the temperature measuring component is embedded in the inner wall of the step hole of the metal conductive piece and/or is tightly attached to the outer wall of the metal conductive piece.
Further, the fire extinguishing member comprises a first fire extinguishing paste attached to the end wall of the butt joint end of the insulating plug main body and a second fire extinguishing paste attached to the step surface in the step hole of the metal conductive member.
Further, a first groove is formed in the end wall of the butt joint end of the insulating plug main body in a ring mode, and a second groove is formed in the step surface in the step hole of the metal conducting piece in a ring mode; the fire extinguishing member comprises a first fire extinguishing rope arranged in the first groove and a second fire extinguishing rope arranged in the second groove.
Further, a first groove is formed in the end wall of the butt joint end of the insulating plug main body in a surrounding mode, and the fire extinguishing piece comprises a first fire extinguishing rope arranged in the first groove and a second fire extinguishing patch attached to the step surface in the step hole of the metal conductive piece;
Or the step surface in the step hole of the metal conductive piece is annularly provided with a second groove, and the fire extinguishing piece comprises a second fire extinguishing rope arranged in the second groove and a first fire extinguishing paste attached to the end wall of the butt joint end of the insulating plug main body.
Further, the temperature measuring component is a passive RFID temperature measuring label.
Further, the step hole comprises a sleeving section and a threaded section, the aperture of the sleeving section is larger than that of the threaded section, and a step surface is formed between the sleeving section and the threaded section; and a third groove is milled on the side wall of the thread section, and the passive RFID temperature measurement tag is arranged in the third groove.
Further, the passive RFID temperature measurement tag and the insulating plug main body are cast together, and the passive RFID temperature measurement tag is in fit contact with the rear end of the metal conductive piece.
Further, the temperature measuring component is a wireless temperature measuring sensor.
Further, the wireless temperature measuring sensor and the insulating plug main body are cast together, and the wireless temperature measuring sensor is in contact with the outer side wall of the metal conductive piece.
Further, the wireless temperature measuring device or the wireless concentrator is arranged in the ring main unit and is in wireless connection with the wireless temperature measuring sensor.
By adopting the technical scheme of the utility model, the utility model has at least the following beneficial effects: the fire extinguishing member and the temperature measuring component are arranged in the insulating plug at the same time, so that when the cable joint has over-temperature or fire conditions due to poor installation, abnormal current change, overload operation or later aging and other factors, the fire extinguishing member can timely release fire extinguishing gas to extinguish fire; meanwhile, the temperature measuring component can measure the temperature in the cable joints, and the ring main unit is usually provided with a communication module, so that an operator or maintainer can monitor the temperature in each cable joint on site in real time at a monitoring center or a background, and when the temperature measured by the temperature measuring component is abnormal, the communication module can be used for realizing alarm, so that the maintainer can timely process the temperature on site after receiving alarm information; because maintenance personnel need certain time to arrive the scene, and put out a fire the gaseous fire in this in-process fire extinguishing member can release to fight the scene for the maintenance personnel and strive for more time, consequently can effectively avoid the conflagration to take place, and then reduce the loss because of the conflagration brings. In addition, when the fire extinguishing piece adopts the fire extinguishing patch, because the fire extinguishing patch is fully covered with innumerable microcapsule fire extinguishing agents, once the cable joint or the place near the fire extinguishing patch catches fire, the microcapsule wall in the fire extinguishing patch explodes at the highest heated temperature, the fire extinguishing gas is automatically released to the protected areas such as the cable joint in the cable accessory, and automatic quick fire extinguishing is implemented, when the fire condition is extinguished, the microcapsule fire extinguishing agents on the fire extinguishing patch stop exploding, and if the faults fail to be treated in time or abnormality occurs again to cause internal fire, the fire extinguishing patch can also realize secondary, tertiary and other repeated fire extinguishing functions until the microcapsule fire extinguishing agents on the fire extinguishing patch are completely exploded and released.
[ Description of the drawings ]
The utility model will be further described with reference to examples of embodiments with reference to the accompanying drawings.
FIG. 1 is an overall view of an insulating plug with fire suppression and temperature measurement functions of the present utility model;
FIG. 2 is a cross-sectional view of a first arrangement of fire suppression elements in accordance with an embodiment of the present utility model;
FIG. 3 is a cross-sectional view of a second arrangement of fire suppression elements in an embodiment of the present utility model;
FIG. 4 is a cross-sectional view of a fourth arrangement of fire suppression elements in accordance with an embodiment of the present utility model;
FIG. 5 is a cross-sectional view of a third arrangement of fire suppression elements in an embodiment of the present utility model;
FIG. 6 is a schematic block diagram of a circuit involved in an embodiment of the present utility model;
fig. 7 is a block diagram of an insulating plug having fire extinguishing and temperature measuring functions in an embodiment of the present utility model when installed to a cable joint.
Reference numerals illustrate:
an insulating plug 100;
Cable connector 200, outer insulating housing 201, insulating plug fitting 202, insulating sleeve 203, connector 204, seal end cap 205, flat pad 206, spring pad 207, nut 208;
an insulating plug body 1, a butt end 11, an operating end 12, a first groove 13;
a fire extinguishing member 2, a first fire extinguishing patch 21, a second fire extinguishing patch 22, a first fire extinguishing rope 23, and a second fire extinguishing rope 24;
A temperature measuring part 3, a passive RFID temperature measuring tag 31, a wireless temperature measuring sensor 32;
The metal conductive piece 4, the step hole 41, the step surface 411, the sleeve joint section 412, the thread section 413, the third groove 414 and the second groove 42;
a wireless temperature measuring device or a wireless concentrator 5.
[ Detailed description ] of the invention
In order to better understand the technical scheme of the present utility model, the following detailed description will refer to the accompanying drawings and specific embodiments.
It should be noted herein that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience in describing these embodiments and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operate in a specific orientation. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature.
Referring to fig. 1 to 7, an insulating plug 100 with fire extinguishing and temperature measuring functions according to the present utility model, the insulating plug 100 includes an insulating plug body 1, a fire extinguishing member 2 and a temperature measuring member 3, the insulating plug body 1 has a butt end 11 and an operation end 12; wherein the abutting end 11 specifically refers to an end connected with a cable joint, and the operating end 12 refers to an end for being matched with an operating tool to rotate the insulating plug 100 for installation; the insulating plug main body 1 is formed by casting an epoxy resin material, so that a good insulating effect is achieved; the fire extinguishing member 2 is capable of releasing a fire extinguishing gas at high temperature to effect fire extinguishing; the temperature measuring part 3 is used for measuring the temperature.
The butt joint end 11 of the insulating plug main body 1 is internally embedded with a metal conductive piece 4, a step hole 41 is formed in the metal conductive piece 4, and the metal conductive piece 4 can be connected with a connecting piece of a cable connector through the step hole 41; the fire extinguishing member 2 is arranged on the end wall of the butt end 11 of the insulating plug body 1 and/or the inner wall of the step hole 41 of the metal conductive member 4, and when the fire extinguishing member is specifically installed, the butt end 11 of the insulating plug body 1 is aligned with a cable joint, and the inner wall of the step hole 41 is aligned with a connecting piece of the cable joint, so that the fire extinguishing member 2 is arranged on the butt end 11 of the insulating plug body 1 and/or the step hole 41 of the metal conductive member 4, and a better fire extinguishing effect can be achieved; the temperature measuring component 3 is embedded in the inner wall of the step hole 41 of the metal conductive piece 4 and/or is tightly attached to the outer wall of the metal conductive piece 4, and the metal conductive piece 4 is directly connected with the connecting piece of the cable connector, so that the temperature measuring component 3 and the metal conductive piece 4 are embedded or attached together, and the temperature measurement can be better realized.
According to the utility model, the fire extinguishing member 2 and the temperature measuring component 3 are simultaneously arranged in the insulating plug 100, so that when the cable joint has over-temperature or fire conditions due to factors such as poor installation, abnormal current change, overload/overload operation or later aging, the fire extinguishing member 2 can timely release fire extinguishing gas to extinguish fire; meanwhile, the temperature measuring component 3 can measure the temperature in the cable joints, and the ring main unit is usually provided with a communication module, so that an operator or maintainer can monitor the temperature in each cable joint on site in real time at a monitoring center or a background, and when the temperature measured by the temperature measuring component 3 is abnormal, the communication module can be used for realizing alarm, so that the maintainer can timely process the temperature on site after receiving alarm information; because maintenance personnel need certain time to arrive the scene, and in this in-process fire extinguishing member 2 can release the fire extinguishing gas and put out a fire to fight the scene for the maintenance personnel and strive for more time, consequently can effectively avoid the conflagration to take place, and then reduce the loss because of the conflagration brings. In addition, each insulating plug 100 can be provided with a corresponding ID number, and after receiving the alarm information, a maintainer can quickly know the position of the failed ring network switch device and the corresponding failure unit and failure phase in the device, so that the maintainer can find the corresponding failure point on site in time for processing.
In an embodiment of the present utility model, the fire extinguishing member 2 may be a fire extinguishing patch or a fire extinguishing rope, wherein the fire extinguishing patch may be a fire extinguishing patch mentioned in "temperature-controlled capsule-type nano fire extinguishing sheet and temperature-controlled nano capsule fire extinguishing method" with application number 202010961025.3, and the fire extinguishing rope may be a fire extinguishing rope mentioned in "an environment-friendly micro-particle temperature-sensitive fire extinguishing rope" with application number 202222372192.1. When the fire extinguishing paste is adopted, as a plurality of microcapsule fire extinguishing agents are fully distributed on the fire extinguishing paste, once the cable joint or the vicinity of the fire extinguishing paste catches fire, the microcapsule wall in the fire extinguishing paste explodes at the highest heated temperature, fire extinguishing gas is automatically released to protected areas such as the cable joint in the cable accessory, automatic and rapid fire extinguishing is implemented, when the fire is extinguished, the microcapsule fire extinguishing agents on the fire extinguishing paste stop exploding, and if the faults fail to be treated in time or abnormality occurs again to cause internal fire, the fire extinguishing paste can also realize the functions of secondary fire extinguishing, tertiary fire extinguishing and the like for many times until the microcapsule fire extinguishing agents on the fire extinguishing paste are completely exploded and released.
In the implementation of the present utility model, the fire extinguishing member 2 may include the following 8 specific arrangements in the insulating plug 100:
The first arrangement: referring to fig. 2, the fire extinguishing member 2 includes a first fire extinguishing patch 21 attached to the end wall of the abutting end 11 of the insulating plug body 1, and a second fire extinguishing patch 22 attached to the step surface 411 in the step hole 41 of the metal conductive member 4. By providing the first fire extinguishing paste 21 at the butt end 11 of the insulating plug body 1 and the second fire extinguishing paste 22 at the step face 411 in the step hole 41 of the metal conductive member 4, fire extinguishing gas can be released to achieve fire extinguishing regardless of the cable joint or the connection member of the cable joint in case of an overtemperature.
The second arrangement: referring to fig. 3, a first groove 13 is formed in the end wall of the butt end 11 of the insulating plug body 1 in a ring manner, a second groove 42 is formed in the step surface 411 in the step hole 41 of the metal conductive member 4 in a ring manner, and the first groove 13 and the second groove 42 are arranged to facilitate installation of the fire extinguishing rope; the extinguishing member 2 comprises a first extinguishing line 23 mounted in the first recess 13 and a second extinguishing line 24 mounted in the second recess 42. By providing the first extinguishing line 23 in the first recess 13 and the second extinguishing line 24 in the second recess 42, extinguishing gas can be released to achieve extinguishing regardless of whether the cable joint or the connection piece of the cable joint is over-heated.
Third arrangement: as shown in fig. 5, the end wall of the abutting end 11 of the insulating plug body 1 is provided with a first groove 13 in a ring shape, so as to facilitate installation of the fire extinguishing rope; the fire extinguishing member 2 comprises a first fire extinguishing rope 23 arranged in the first groove 13 and a second fire extinguishing patch 22 attached to a step surface 411 in a step hole 41 of the metal conductive member 4; by providing the first extinguishing string 23 in the first recess 13 and the second extinguishing patch 22 in the step surface 411 in the step hole 41 of the metal conductive member 4, the extinguishing gas can be released to extinguish a fire regardless of the cable joint or the connection member of the cable joint in case of an overtemperature.
Fourth arrangement: as shown in fig. 4, a second groove 42 is formed on the step surface 411 in the step hole 41 of the metal conductive member 4 in a ring manner, so as to facilitate installation of the fire extinguishing rope; the fire extinguishing member 2 comprises a second fire extinguishing rope 24 arranged in the second groove 42 and a first fire extinguishing paste 21 attached to the end wall of the butt end 11 of the insulating plug body 1; by providing the second fire extinguishing rope 24 in the second groove 42 and the first fire extinguishing paste 21 at the butt end 11 of the insulating plug body 1, fire extinguishing gas can be released to achieve fire extinguishing regardless of the cable joint or the connection of the cable joint in case of an overtemperature.
A fifth arrangement: the fire extinguishing member 2 comprises a first fire extinguishing patch 21 attached to the end wall of the butt end 11 of the insulating plug body 1, so that fire extinguishing gas can be released to extinguish fire when an overtemperature condition occurs in a cable joint.
A sixth arrangement: the fire extinguishing member 2 comprises a second fire extinguishing paste 22 attached to the step surface 411 in the step hole 41 of the metal conductive member 4, so that fire extinguishing gas can be released to extinguish fire when an over-temperature condition occurs at the connecting piece of the cable joint.
A seventh arrangement: the end wall ring of butt joint end 11 of insulating stopper main part 1 is equipped with first recess 13, fire extinguishing member 2 is including installing first fire rope 23 in the first recess 13 for when the cable joint appears the overtemperature condition, can release the fire extinguishing gas and realize putting out a fire.
Eighth arrangement: the step surface 411 in the step hole 41 of the metal conductive member 4 is annularly provided with a second groove 42, and the fire extinguishing member 2 comprises a second fire extinguishing rope 24 installed in the second groove 42, so that fire extinguishing gas can be released to realize fire extinguishing when an over-temperature condition occurs at the connecting member of the cable joint.
It should be noted that: because only one fire extinguishing paste or fire extinguishing rope is arranged in the insulating plug 100 in the fifth arrangement mode to the eighth arrangement mode, the fire extinguishing effect is poor; the present utility model, when embodied, is preferably in any one of the first arrangement to the fourth arrangement.
As a specific embodiment of the present utility model, in order to implement temperature measurement, the temperature measuring component 3 is a passive RFID temperature measuring tag 31. The passive RFID temperature measurement tag 31 may be installed in the following two ways:
the first installation mode is as follows: referring to fig. 2, the stepped hole 41 includes a socket section 412 and a threaded section 413, wherein the hole diameter of the socket section 412 is larger than the hole diameter of the threaded section 413, and a stepped surface 411 is formed between the socket section 412 and the threaded section 413; the side wall of the thread section 413 is milled with a third groove 414, and the passive RFID temperature measurement tag 31 is mounted in the third groove 414. More specifically, the metal conductive member 4 has a cylindrical structure, and the hole diameter of the socket section 412 is larger than the hole diameter of the thread section 413, so that the wall thickness of the whole metal conductive member 4 at the thread section 413 is larger than the wall thickness of the socket section 412, and therefore, the third groove 414 can be milled on the side wall of the thread section 413 conveniently. By installing the passive RFID temperature measurement tag 31 in the third groove 414 on the side wall of the threaded section 413, the passive RFID temperature measurement tag 31 can be fully contacted with the metal conductive piece 4, and the metal conductive piece 4 is directly connected with the connecting piece of the cable joint, so that the temperature can be measured more accurately; meanwhile, the threaded connection between the threaded section 413 and the connecting piece of the cable connector is achieved, so that the arrangement of the third groove 414 does not affect the normal connection between the connecting piece of the cable connector and the metal conducting piece 4. In particular applications, this first mounting method is suitable for mounting the passive RFID temperature measurement tag 31 with good flexibility, because the third groove 414 is an annular groove, and if the passive RFID temperature measurement tag 31 is to be mounted in the third groove 414, the passive RFID temperature measurement tag 31 needs to be flexible to bend.
The second installation mode is as follows: referring to fig. 3 and 5, the passive RFID temperature measuring tag 31 is cast together with the insulating plug body 1, and the passive RFID temperature measuring tag 31 is in contact with the rear end of the metal conductive member 41, so as to measure the temperature more accurately. This second mounting means is suitable for mounting passive RFID temperature measuring tags 31 that are not flexible or rigid in particular applications.
As another embodiment of the present utility model, in order to implement temperature measurement, the temperature measuring component 3 is a wireless temperature measuring sensor 32.
In the embodiment of the present utility model, please refer to fig. 4, the wireless temperature sensor 32 is cast with the insulating plug body 1, and the wireless temperature sensor 32 contacts with the outer sidewall of the metal conductive member 4, so that the wireless temperature sensor 32 can more accurately measure the temperature of the metal conductive member 4. In addition, because the wireless temperature sensor 32 contacts the outer sidewall of the metal conductive member 4, in some embodiments, the wireless temperature sensor 32 may use high-voltage electric field induction to take electricity from the metal conductive member 4, so as to ensure that the wireless temperature sensor 32 can stably supply electricity for a long period of time; it should be noted that: the high-voltage electric field induction power taking technology has been applied to a temperature sensor, such as the temperature sensor mentioned in the application No. 202223484119.X "self-power taking plug temperature sensor", the specific power taking principle of which is well known to those skilled in the art, and therefore, the detailed description thereof will not be provided herein.
In the embodiment of the utility model, the wireless temperature measuring device or the wireless concentrator 5 is arranged in the ring main unit, and the wireless temperature measuring device or the wireless concentrator 5 is in wireless connection with the wireless temperature measuring sensor 32. The wireless temperature measuring device or the wireless concentrator 5 can be arranged and fixed on a panel of the ring network switch equipment, can receive data of a plurality of wireless temperature measuring sensors 32 in real time, displays temperature values measured by the wireless temperature measuring sensors 32 in each path, can clearly check the temperature values of each loop on the wireless temperature measuring device or the wireless concentrator 5 when an operator arrives at the site, and simultaneously supports high-temperature alarm and ultra-high-level alarm signal output, for example, when the temperature of a measuring point reaches a dangerous value or a set value, the wireless temperature measuring device or the wireless concentrator 5 can be connected with a control unit of the site ring network switch equipment, so that a switch of a corresponding unit loop of site faults is disconnected from a main power supply or a non-fault unit, the range influenced by the faults can be avoided from being enlarged and reduced, and the wireless temperature measuring device or the wireless concentrator 5 is also provided with an RS485 serial communication interface, so that the acquired temperature data can be uploaded to a monitoring center.
Referring to fig. 7, in the specific use of the insulating plug 100 of the present utility model, the cable connector 200 is provided with an outer insulating housing 201, one end of the outer insulating housing 201 has an insulating plug assembling port 202, the insulating plug 100 is plugged in the insulating plug assembling port 202, an insulating sleeve 203 is fixed at the in-out terminal of the ring network switchgear, one end of a connecting piece 204 is screwed with the insulating sleeve 203 during installation, the cable connector 200 penetrates through the top step surface of the outer insulating housing 201 from the bottom of the outer insulating housing 201, then the outer insulating housing 201 is sleeved into the outer surface of one end of the insulating sleeve 203, meanwhile, the cable connector 200 in the outer insulating housing 201 passes through the connecting piece 204 to contact with an end surface conductive piece of the insulating sleeve 203, the cable connector 200 is locked and fixed on the end surface of the insulating sleeve 203 by using a flat pad 206, an elastic pad 207 and a nut 208, and the metal conductive piece 4 of the insulating plug 100 is screwed with the other end of the connecting piece 204; the outer insulating case 201 is provided with a seal cap 205 at one end of the insulating plug fitting port 202.
While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that the specific embodiments described are illustrative only and not intended to limit the scope of the utility model, and that equivalent modifications and variations of the utility model in light of the spirit of the utility model will be covered by the claims of the present utility model.
Claims (10)
1. The insulating plug with the fire extinguishing and temperature measuring functions comprises an insulating plug main body, wherein the insulating plug main body is provided with a butt joint end and an operation end, a metal conductive piece is embedded in the butt joint end of the insulating plug main body, and a step hole is formed in the metal conductive piece; the method is characterized in that: the fire extinguishing device also comprises a fire extinguishing piece and a temperature measuring part; the fire extinguishing piece is arranged on the end wall of the butt joint end of the insulating plug main body and/or the inner wall of the step hole of the metal conductive piece; the temperature measuring component is embedded in the inner wall of the step hole of the metal conductive piece and/or is tightly attached to the outer wall of the metal conductive piece.
2. An insulating plug with fire extinguishing and temperature measuring functions as claimed in claim 1, characterized in that: the fire extinguishing piece comprises a first fire extinguishing patch which is attached to the end wall of the butt joint end of the insulating plug main body and a second fire extinguishing patch which is attached to the step surface of the step hole of the metal conductive piece.
3. An insulating plug with fire extinguishing and temperature measuring functions as claimed in claim 1, characterized in that: the end wall of the butt joint end of the insulating plug main body is annularly provided with a first groove, and the step surface in the step hole of the metal conductive piece is annularly provided with a second groove; the fire extinguishing member comprises a first fire extinguishing rope arranged in the first groove and a second fire extinguishing rope arranged in the second groove.
4. An insulating plug with fire extinguishing and temperature measuring functions as claimed in claim 1, characterized in that: the end wall of the butt joint end of the insulating plug main body is annularly provided with a first groove, and the fire extinguishing piece comprises a first fire extinguishing rope arranged in the first groove and a second fire extinguishing patch attached to the step surface in the step hole of the metal conductive piece;
Or the step surface in the step hole of the metal conductive piece is annularly provided with a second groove, and the fire extinguishing piece comprises a second fire extinguishing rope arranged in the second groove and a first fire extinguishing paste attached to the end wall of the butt joint end of the insulating plug main body.
5. An insulating plug with fire extinguishing and temperature measuring functions as claimed in claim 1, characterized in that: the temperature measuring component is a passive RFID temperature measuring label.
6. An insulating plug with fire extinguishing and temperature measuring functions as claimed in claim 5, wherein: the step hole comprises a sleeving section and a threaded section, the aperture of the sleeving section is larger than that of the threaded section, and a step surface is formed between the sleeving section and the threaded section; and a third groove is milled on the side wall of the thread section, and the passive RFID temperature measurement tag is arranged in the third groove.
7. An insulating plug with fire extinguishing and temperature measuring functions as claimed in claim 5, wherein: the passive RFID temperature measurement tag and the insulating plug main body are cast together, and the passive RFID temperature measurement tag is in fit contact with the rear end of the metal conductive piece.
8. An insulating plug with fire extinguishing and temperature measuring functions as claimed in claim 1, characterized in that: the temperature measuring component is a wireless temperature measuring sensor.
9. An insulating plug with fire extinguishing and temperature measuring functions as claimed in claim 8, wherein: the wireless temperature measuring sensor is cast with the insulating plug main body, and is contacted with the outer side wall of the metal conductive piece.
10. An insulating plug with fire extinguishing and temperature measuring functions as claimed in claim 8, wherein: the wireless temperature measuring device or the wireless concentrator is arranged in the ring main unit and is in wireless connection with the wireless temperature measuring sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321622471.7U CN220934840U (en) | 2023-06-25 | 2023-06-25 | Insulating plug with fire extinguishing and temperature measuring functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321622471.7U CN220934840U (en) | 2023-06-25 | 2023-06-25 | Insulating plug with fire extinguishing and temperature measuring functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220934840U true CN220934840U (en) | 2024-05-10 |
Family
ID=90963627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321622471.7U Active CN220934840U (en) | 2023-06-25 | 2023-06-25 | Insulating plug with fire extinguishing and temperature measuring functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220934840U (en) |
-
2023
- 2023-06-25 CN CN202321622471.7U patent/CN220934840U/en active Active
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