CN216354912U - Plug-pull head of ring main unit - Google Patents
Plug-pull head of ring main unit Download PDFInfo
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- CN216354912U CN216354912U CN202122386226.8U CN202122386226U CN216354912U CN 216354912 U CN216354912 U CN 216354912U CN 202122386226 U CN202122386226 U CN 202122386226U CN 216354912 U CN216354912 U CN 216354912U
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- hole
- plug
- copper nose
- bolt
- main unit
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Abstract
The invention discloses a plug head of a ring main unit, which aims to solve the problem that the temperature of an internal structure cannot be measured in the prior art and comprises an insulating sleeve, wherein the integral structure of the insulating sleeve is T-shaped, the insulating sleeve is provided with a first hole and a second hole which are mutually communicated, the integral structure of the first hole and the second hole is also T-shaped, a bolt is inserted in the first hole, a copper nose is inserted in the second hole, the bolt comprises a first plug and a connecting rod, the copper nose comprises a second plug, the copper nose is provided with a through hole, the connecting rod penetrates through the through hole, the connecting rod abuts against the inner side wall of the through hole, an installation groove is formed in the insulating sleeve, an RFID temperature sensor is arranged in the installation groove, the RFID temperature sensor abuts against the copper nose, and the copper nose covers the installation groove.
Description
Technical Field
The invention belongs to, in particular to an insertion and extraction head of a ring main unit.
Background
The ring main unit is an electrical device which is a group of power transmission and distribution device equipment arranged in a metal or nonmetal insulating cabinet body or made into an assembled interval ring main power supply unit. The system comprises a load switch, a fuse, a transformer, a main circuit incoming line, a cable connector and the like. The cable connector is fixedly arranged in the ring main unit in actual use, the cable connector is provided with the cable plug, the outer portion of the cable connector is packaged by the protective shell, and the cable connector works in a highly sealed state.
However, the prior art is not perfect, and if the cable connector is in a high temperature state for a long time, the problems of component damage, fire hazard and the like are easily caused, and the existing cable connector lacks a necessary temperature measuring structure and cannot detect the temperature of the internal components of the cable connector in real time and accurately.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects and problems in the prior art, the invention provides the plug head of the ring main unit.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a plug head of looped netowrk cabinet, including insulation support, insulation support's overall structure is "T" style of calligraphy, insulation support has first hole and the second hole of mutual intercommunication, the overall structure in first hole and second hole also is "T" style of calligraphy, first downthehole bolt of being equipped with of inserting, the downthehole copper nose that is equipped with of second inserting, the bolt includes first plug and connecting rod, the copper nose includes the second plug, the through-hole has been seted up on the copper nose, the connecting rod is worn to locate the through-hole, the connecting rod butt is on the inside wall of through-hole, the mounting groove has been seted up on the insulation support, be provided with RFID temperature sensor in the mounting groove, RFID temperature sensor butt is on the copper nose, the copper nose lid is established on the mounting groove.
Preferably, the mounting grooves are arranged on the outer side of the through hole, at least two mounting grooves are arranged, two or more mounting grooves surround the periphery of the through hole, and the RFID temperature sensors are arranged in the mounting grooves.
Preferably, the bolt is detachably provided with a connecting piece, and the connecting piece positions the bolt on the insulating sleeve.
Preferably, the bolt comprises a threaded rod, the connecting member is a nut, and the connecting member is screwed on the threaded rod.
Preferably, a first countersunk groove and a second countersunk groove are respectively formed at two ends of the first hole, the first plug is arranged in the first countersunk groove, and the connecting piece is arranged in the second countersunk groove.
Preferably, a conical plug is inserted into the second countersunk groove and plugged on the second countersunk groove.
Preferably, the insulating sleeve comprises a pair of half shells fixedly arranged on the other half shell, the pair of half shells are matched to form a first hole and a second hole, and the bolt and the copper nose are respectively arranged between the pair of half shells.
Compared with the prior art, the invention has the outstanding and beneficial technical effects that:
(1) in the invention, the bolt positions the copper nose in the axial direction of the second hole, and the copper nose can be assembled in the second hole without additional parts, so that the plug head of the ring main unit has the advantages of simple structure and convenience in assembly.
(2) In the invention, the RFID temperature sensor is arranged in the mounting groove, the copper nose cover is arranged on the mounting groove, the insulating sleeve and the copper nose play a role in packaging the RFID temperature sensor, heat generated by the bolt and the copper nose during working can be directly conducted to the RFID temperature sensor, the RFID temperature sensor can directly measure the temperature of the copper nose in real time, and data interaction is carried out with other equipment in a radio frequency mode, so that the plug head of the ring main unit has the advantages of reliable working, quick response and accurate temperature measurement.
(3) In the invention, the connecting rod is abutted against the inner side wall of the through hole, and the bolt and the copper nose generate contact resistance at the position of the through hole. In the in-service use, contact resistance leads to through-hole position department to produce the heat more easily, and RFID temperature sensor sets up in the outside of through-hole for RFID temperature sensor detects the temperature variation of copper nose more acutely, has improved the sensitivity that this looped netowrk cabinet's plug head detected.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of the second embodiment of the present invention;
FIG. 3 is one of the schematic cross-sectional structures of the present invention;
FIG. 4 is a second schematic cross-sectional view of the present invention;
fig. 5 is a schematic cross-sectional structure of the insulating sleeve of the invention;
FIG. 6 is a schematic diagram of the explosive structure created by the present invention;
in the figure: 1-insulating sleeve, 2-first hole, 3-second hole, 4-bolt, 5-copper nose, 6-RFID temperature sensor, 7-connecting piece, 8-conical plug, 11-half shell, 21-first countersunk groove, 22-second countersunk groove, 41-first plug, 42-connecting rod, 43-threaded rod, 51-second plug, 52-through hole and 111-mounting groove.
Detailed Description
In order to facilitate the understanding of those skilled in the art, the invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 6, an insertion and extraction head of a ring main unit comprises an insulating sleeve 1, the insulating sleeve 1 is hollow, the integral structure of the insulating sleeve 1 is "T" shaped, the insulating sleeve 1 is provided with a first hole 2 and a second hole 3, the first hole 2 and the second hole 3 are mutually communicated, the integral structure of the first hole 2 and the second hole 3 is "T" shaped, a bolt 4 is inserted into the first hole 2, a copper nose 5 is inserted into the second hole 3, the bolt 4 comprises a first plug 41 and a connecting rod 42, the copper nose 5 comprises a second plug 51, a through hole 52 is formed in the copper nose 5, the connecting rod 42 is inserted into the through hole 52, the connecting rod 42 is abutted against the inner side wall of the through hole 52, an installation groove 111 is formed in the insulating sleeve 1, an RFID temperature sensor 6 is arranged in the installation groove 111, the RFID temperature sensor 6 is abutted against the copper nose 5, and the copper nose 5 is covered on the installation groove 111.
Wherein, first hole 2 is the through-hole, and the one end setting in insulation support 1 of first hole 2 is held at insulation support 1's first end, and the other end setting in first hole 2 is held at insulation support 1's second, and second hole 3 is the blind hole, and the outer end setting in insulation support 1 of second hole 3 is held at the third. The bolt 4 refers to a conductive part that cooperates with the copper nose 5 to provide an electrical path. The copper nose 5 refers to a conductive part that cooperates with the bolt 4 to provide an electrical path. The first plug 41 refers to a component which can be hot-plugged and connected to the ring main unit. The second plug 51 refers to a component that can be hot-pluggable to a cable. In practical use, the first plug 41 can be inserted into the ring main unit, and the second plug 51 can be inserted into the cable, so that connection is further facilitated.
In actual use, a user can hold the insulating sleeve 1 by hand, the first plug 41 is inserted into the ring main unit, and the second plug 51 is inserted into the cable, so that the plug head of the ring main unit plays a role in switching between the ring main unit and the cable, the sealing performance and the reliability of connection between the ring main unit and the cable are improved, and the T-shaped insulating sleeve 1 is convenient for the user to grasp and apply force.
In addition, the structure in which the connecting rod 42 is inserted through the through hole 52 functions as a bolt 4 for positioning the copper nose 5 in the axial direction of the second hole 3, thereby facilitating the fitting of the copper nose 5 on the insulating sleeve 1. The link 42 is also abutted against the inner side wall of the through hole 52 means that the bolt 4 is abutted against the copper nose 5, so that the bolt 4 and the copper nose 5 are in contact with each other to transmit current.
The RFID temperature sensor 6 is used to detect the temperature of the copper nose 5. The mounting groove 111 has been seted up on insulating sleeve 1, and mounting groove 111 sets up in second hole 3, and copper nose 5 lid is established on mounting groove 111, and insulating sleeve 1 and copper nose 5 play the guard action to the RFID temperature sensor 6 in the mounting groove 111. If the plug head of the ring main unit is powered on, the bolt 4 and the copper nose 5 are easy to generate heat, and the RFID temperature sensor 6 can directly measure the temperature of the copper nose 5 in real time.
Specifically, the bolt 4 is made of a metal having good thermal and electrical conductivity, and the copper nose 5 is also made of a metal having good thermal and electrical conductivity, for example, the bolt 4 and the copper nose 5 are made of copper.
In the invention, the bolt 4 positions the copper nose 5 in the axial direction of the second hole 3, and the copper nose 5 can be assembled in the second hole 3 without additional parts, so that the plug head of the ring main unit has the advantages of simple structure and convenience in assembly.
In the invention, the RFID temperature sensor 6 is arranged in the mounting groove 111, the copper nose 5 is covered on the mounting groove 111, the insulating sleeve 1 and the copper nose 5 play a role in packaging the RFID temperature sensor 6, heat generated by the bolt 4 and the copper nose 5 during working can be directly conducted to the RFID temperature sensor 6, the RFID temperature sensor 6 can directly measure the temperature of the copper nose 5 in real time, and data interaction is carried out with other equipment in a wireless radio frequency mode, so that the plug head of the ring main unit has the advantages of reliable working, quick response and accurate temperature measurement.
The mounting grooves 111 are arranged on the outer side of the through hole 52, the number of the mounting grooves 111 is at least two, two or more than two mounting grooves 111 surround the periphery of the through hole 52, and the RFID temperature sensors 6 are arranged in the mounting grooves 111.
Wherein the connecting rod 42 abuts on the inner side wall of the through hole 52, and the bolt 4 and the copper nose 5 generate contact resistance at the position of the through hole 52. In practical use, the contact resistance leads to the position of the through hole 52 to generate heat more easily, and the RFID temperature sensor 6 is arranged outside the through hole 52, so that the RFID temperature sensor 6 detects the temperature change of the copper nose 5 more sharply, and the detection sensitivity of the plug head of the ring main unit is improved.
Two or more than two mounting grooves 111 encircle in the week of through-hole 52, all are provided with RFID temperature sensor 6 in the mounting groove 111, and the quantity one-to-one of RFID temperature sensor 6 is corresponding to the quantity of mounting groove 111, and two or more than two RFID temperature sensor 6 can carry out temperature detection on a plurality of angular position of through-hole 52, have further improved the detection accuracy of this looped netowrk cabinet's plug head.
The bolt 4 is detachably provided with a connecting piece 7, and the bolt 4 is positioned on the insulating sleeve 1 by the connecting piece 7.
If the attachment member 7 is removed from the bolt 4, the bolt 4 may be removed from the first hole 2. If the connecting rod 42 is disengaged from the through hole 52, the copper nose 5 can be removed from the second hole 3. The detachable connecting piece 7 facilitates the assembly and disassembly of the bolt 4 and the copper nose 5 on the insulating sleeve 1.
The both ends in first hole 2 are provided with first countersunk head groove 21 and second countersunk head groove 22 respectively, and first plug 41 sets up in first countersunk head groove 21, and connecting piece 7 sets up in second countersunk head groove 22, and insulation support 1 plays the guard action to first plug 41 and connecting piece 7, has improved this looped netowrk cabinet's the job stabilization nature and the compact structure nature of plugging and unplugging the head.
Wherein a first countersunk groove 21 is provided at a first end of the insulation sleeve 1 and a second countersunk groove 22 is provided at a second end of the insulation sleeve 1.
The second countersunk head groove 22 is inserted with the conical plug 8, and the conical plug 8 is plugged on the second countersunk head groove 22, so that the insulating sleeve 1 and the conical plug 8 have a sealing effect on the connecting piece 7, and the working stability of the plug head of the ring main unit is further improved.
The tapered plug 8 refers to a plug with a tapered overall structure, the smaller end of the tapered plug 8 is arranged in the second countersunk groove 22, and the larger end of the tapered plug 8 is arranged outside the second countersunk groove 22. The plug is made of elastic rubber, and the conical plug 8 can be tightly inserted into the second countersunk head groove 22, so that the sealing effect on the second countersunk head groove 22 is improved.
Insulating sleeve 1 includes a pair of half shell 11, half shell 11 is fixed to be set up on another half shell 11, half shell 11 accessible bolted connection's mode is fixed on another half shell 11, a pair of half shell 11 cooperation forms first hole 2, a pair of half shell 11 cooperation still forms second hole 3, bolt 4 sets up between a pair of half shell 11, copper nose 5 also sets up between a pair of half shell 11, mounting groove 111 is seted up on half shell 11, thereby be convenient for bolt 4, copper nose 5 and RFID temperature sensor 6 assembly are in insulating sleeve 1.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the invention shall be covered within the protection scope of the invention.
Claims (7)
1. The plug head of the ring main unit is characterized by comprising an insulating sleeve (1), the integral structure of the insulating sleeve (1) is T-shaped, the insulating sleeve (1) is provided with a first hole (2) and a second hole (3) which are communicated with each other, the integral structure of the first hole (2) and the second hole (3) is also T-shaped, a bolt (4) is inserted in the first hole (2), a copper nose (5) is inserted in the second hole (3), the bolt (4) comprises a first plug (41) and a connecting rod (42), the copper nose (5) comprises a second plug (51), a through hole (52) is formed in the copper nose (5), the connecting rod (42) penetrates through the through hole (52), the connecting rod (42) is abutted against the inner side wall of the through hole (52), a mounting groove (111) is formed in the insulating sleeve (1), and an RFID temperature sensor (6) is arranged in the mounting groove (111), the RFID temperature sensor (6) is abutted against the copper nose (5), and the copper nose (5) is covered on the mounting groove (111).
2. The plug head of the ring main unit according to claim 1, wherein the mounting grooves (111) are disposed outside the through hole (52), at least two mounting grooves (111) are provided, two or more mounting grooves (111) surround the through hole (52) in the circumferential direction, and the RFID temperature sensors (6) are disposed in the mounting grooves (111).
3. The plug head of the ring main unit according to claim 1, wherein the bolt (4) is detachably provided with a connecting member (7), and the connecting member (7) positions the bolt (4) on the insulating sleeve (1).
4. The plugging head of the ring main unit as claimed in claim 3, wherein the bolt (4) comprises a threaded rod (43), the connecting member (7) is a nut, and the connecting member (7) is screwed on the threaded rod (43).
5. The plug head of the ring main unit according to claim 3 or 4, wherein the two ends of the first hole (2) are respectively provided with a first countersunk groove (21) and a second countersunk groove (22), the first plug (41) is arranged in the first countersunk groove (21), and the connecting member (7) is arranged in the second countersunk groove (22).
6. The plug head of the ring main unit as claimed in claim 5, wherein a tapered plug (8) is inserted into the second countersunk head groove (22), and the tapered plug (8) is plugged on the second countersunk head groove (22).
7. The plug head of the ring main unit according to claim 1, wherein the insulation sleeve (1) comprises a pair of half shells (11), one half shell (11) is fixedly arranged on the other half shell (11), the pair of half shells (11) are matched to form the first hole (2) and the second hole (3), and the bolt (4) and the copper nose (5) are respectively arranged between the pair of half shells (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122386226.8U CN216354912U (en) | 2021-09-29 | 2021-09-29 | Plug-pull head of ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122386226.8U CN216354912U (en) | 2021-09-29 | 2021-09-29 | Plug-pull head of ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216354912U true CN216354912U (en) | 2022-04-19 |
Family
ID=81173854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122386226.8U Active CN216354912U (en) | 2021-09-29 | 2021-09-29 | Plug-pull head of ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216354912U (en) |
-
2021
- 2021-09-29 CN CN202122386226.8U patent/CN216354912U/en active Active
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