CN113013828A - Oil level on-line monitoring's compound cover outdoor termination - Google Patents
Oil level on-line monitoring's compound cover outdoor termination Download PDFInfo
- Publication number
- CN113013828A CN113013828A CN202110434853.6A CN202110434853A CN113013828A CN 113013828 A CN113013828 A CN 113013828A CN 202110434853 A CN202110434853 A CN 202110434853A CN 113013828 A CN113013828 A CN 113013828A
- Authority
- CN
- China
- Prior art keywords
- conductor
- fixedly connected
- sleeve
- oil level
- line monitoring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/20—Cable fittings for cables filled with or surrounded by gas or oil
- H02G15/22—Cable terminations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/20—Cable fittings for cables filled with or surrounded by gas or oil
- H02G15/28—Cable fittings for cables filled with or surrounded by gas or oil structurally associated with devices for indicating the presence or location of non-electric faults
Landscapes
- Insulators (AREA)
Abstract
The invention discloses a composite sleeve outdoor terminal for online oil level monitoring, which relates to the field of outdoor terminals and comprises an insulating sleeve, wherein the bottom of the insulating sleeve is fixedly connected with a bottom plate, a liquid level sensor is fixedly connected onto the bottom plate, the lower end of the bottom plate is fixedly connected with a conductor protective sleeve, the outer surface of the conductor protective sleeve is fixedly connected with a signal control box, a conductor is in threaded connection inside the conductor protective sleeve, the lower end of the conductor is fixedly connected with an insulating handle, the upper end of the conductor is fixedly connected with a conductor leading-out rod, and the upper end of the conductor leading-out rod is: install level sensor in the terminal, give the on-line monitoring host computer with data transmission, through 4G signal transmission for the server after handling, data abnormity directly sends out the warning, tells the personnel of patrolling and examining to overhaul, reaches fault location, timely maintenance's purpose, can effectual improvement insulating sleeve's safety in utilization, and very big reduction maintenance personal's working strength.
Description
Technical Field
The invention relates to the field of outdoor terminals, in particular to a composite sleeve outdoor terminal for monitoring oil level on line.
Background
With the continuous promotion of the construction of power grids in various regions around the world, the global power demand is in an increasing trend. In the global electric power engineering construction, the high-voltage direct-current cables required by long-distance power transmission are more and more in demand, and the global high-voltage direct-current cable market is in a growing trend. Therefore, the high voltage direct current transmission technology is becoming an increasingly important technology. In terms of the characteristics of the high-voltage direct-current transmission technology, the transmission capacity of the high-voltage direct-current cable is twice that of the alternating-current cable, and the transmission power loss is only 40% of that of the alternating-current cable, so that the transmission distance is greatly lengthened, and meanwhile, the stability and reliability of power supply are greatly improved.
Outdoor terminal is a terminal connection spare in the high voltage direct current transmission cable accessories, because compound shell type outdoor terminal has light in weight, the advantage of the installation of being convenient for, and adopt compound sleeve pipe can also safe explosion-proof, can not hinder and reach near personnel and electrical equipment, wider for the outdoor terminal application range of porcelain shell type, divide into the outdoor terminal of cold shrinkage formula according to mounting material, the outdoor terminal of heat shrinkage formula, the outdoor terminal of porcelain shell type, combined type outdoor terminal, silicon rubber dry-type outdoor cable terminal, GIS terminal, divide into 1kV cable terminal according to operating voltage, 10kV outdoor terminal, 27.5kV outdoor terminal, 35kV outdoor terminal, 66kV outdoor terminal, 110kV outdoor terminal, 138kV outdoor terminal, 220kV outdoor terminal.
The leakage phenomenon can probably appear in compound cover outdoor terminal insulating oil in the use, and this kind of leakage can cause the ageing of terminal to accelerate, takes place the accident even, influences the operation of whole circuit. To avoid such an accident, the oil level in the terminal needs to be monitored.
Buoy type level gauge carries out the oil level control among current composite set outdoor termination, utilizes the connecting rod to be connected floater and liquid level indicating device, reaches the purpose of monitoring the liquid level, and it adopts the connection of mechanical type, breaks down easily, and sealed effect is not good, and the unable very first time of personnel of patrolling and examining knows the phenomenon that the seepage appears in the terminal, needs a large amount of manpowers to overhaul.
Disclosure of Invention
For solving above-mentioned technical problem, a compound cover outdoor termination of oil level on-line monitoring is provided, buoy type level gauge carries out the oil level control among the current compound cover outdoor termination that has proposed in the above-mentioned background art has been solved to this technical scheme, utilize the connecting rod to be connected floater and liquid level indicating device, reach the purpose of monitoring the liquid level, it adopts the connection of mechanical type, break down easily, sealed effect is not good, the unable very first time of personnel of patrolling and examining knows the phenomenon that the terminal seepage appears, need a large amount of manpowers to overhaul the problem.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
the utility model provides an oil level on-line monitoring's compound cover outdoor termination, includes insulation support, insulation support bottom fixedly connected with bottom plate, fixedly connected with level sensor on the bottom plate, bottom plate lower extreme fixedly connected with conductor protective sheath, conductor protective sheath surface fixedly connected with signal control box, the inside threaded connection of conductor protective sheath has the conductor, the insulating handle of conductor lower extreme fixedly connected with, the excellent is drawn forth to conductor upper end fixedly connected with conductor, the conductor is drawn forth excellent upper end fixedly connected with conductor connector.
Preferably, the top of the insulating sleeve is fixedly connected with an upper supporting piece, and the upper end of the upper supporting piece is fixedly connected with a high-voltage shielding shell.
Preferably, the upper end of the upper supporting piece is fixedly connected with a current detection device, and the current detection device is arranged inside the high-voltage shielding shell.
Preferably, the lower surface of the current detection device is abutted against the upper end of the insulating sleeve, and a sealing ring is arranged at the contact position of the current detection device and the junction edge sleeve.
Preferably, a sealing ring is arranged at the connecting part of the bottom plate and the insulating sleeve.
Preferably, the surface of the conductor is fixedly connected with a stress cone, and the stress cone is sleeved on the conductor.
Preferably, the upper part of the conductor is arranged inside the insulating sleeve, and the stress cone is arranged inside the insulating sleeve.
Preferably, the outer surface of the insulating sleeve is fixedly connected with a large umbrella skirt and a small umbrella skirt, and the large umbrella skirt and the small umbrella skirt are uniformly and alternately arranged on the outer surface of the insulating sleeve.
Preferably, the upper end of the bottom plate is fixedly connected with a mounting plate, and the mounting plate is sleeved on the outer surface of the insulating sleeve.
Preferably, the liquid level sensor is electrically connected with the signal control box.
The invention is characterized in that:
1) a liquid level sensor is arranged in the terminal, the liquid level of the outdoor terminal is monitored in real time, data are transmitted to the online monitoring host through a signal control box in real time, the processed data are transmitted to the server through 4G signals, and the abnormal data directly give out warning to inform inspection personnel of maintenance, so that the purposes of online monitoring of the oil level, timely informing the inspection personnel of the leakage phenomenon and reducing the workload of manual maintenance are achieved;
2) the high-voltage shielding shell can be used for homogenizing an electric field at the upper part of the terminal, reducing corona discharge, solving the problems of local discharge and electrical aging of the cable terminal, improving the voltage-resisting capability of the terminal and achieving the purpose of high-voltage shielding;
3) the outer surface of the insulating sleeve is provided with the large umbrella skirt and the small umbrella skirt, so that the pollution resistance of the outdoor terminal can be effectively improved.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of another embodiment of the present invention;
FIG. 3 is a front view of the present invention;
fig. 4 is a sectional view of section a-a in fig. 3.
The reference numbers in the figures are:
1. a conductor connector; 2. a high voltage shielding case; 3. an upper support member; 4. an insulating sleeve; 401. a large umbrella skirt; 402. a small umbrella skirt; 5. mounting a plate; 6. a conductor shield; 7. an insulated handle; 8. a current detection device; 9. a conductor lead-out bar; 10. a conductor; 11. a stress cone; 12. a base plate; 13. a liquid level sensor; 14. and a signal control box.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
Referring to fig. 1-4, an oil level on-line monitoring composite sleeve outdoor terminal comprises an insulating sleeve 4, a bottom plate 12 is fixedly connected to the bottom of the insulating sleeve 4, a liquid level sensor 13 is fixedly connected to the bottom plate 12, a conductor protection sleeve 6 is fixedly connected to the lower end of the bottom plate 12, a signal control box 14 is fixedly connected to the outer surface of the conductor protection sleeve 6, the liquid level sensor 13 is electrically connected to the signal control box 14, the liquid level sensor 13 monitors the oil level inside the terminal in real time and transmits the monitoring result to the signal control box 14 in real time, the signal control box 14 transmits the received liquid level information to an on-line monitoring host computer in real time, the on-line monitoring host computer transmits the detection result to a server in real time through a 4G signal, a conductor 10 is connected to the inside of the conductor protection sleeve 6 through a thread, an insulating handle 7 is fixedly connected to the lower end, the upper end of the conductor leading-out rod 9 is fixedly connected with a conductor connector 1, and the outdoor terminal is electrically connected with an external conductor through the conductor connector 1.
4 top fixedly connected with upper support piece 3 of insulating sleeve, 3 upper end fixedly connected with high voltage shielding shell 2 of upper support piece, 3 upper end fixedly connected with current detection device 8 of upper support piece, current detection device 8 sets up inside high voltage shielding shell 2, the electric field on high voltage shielding shell 2 ability even terminal upper portion reduces corona discharge, solve the partial discharge and the electrical ageing at cable termination, the withstand voltage at terminal has been improved, reach high voltage shielding's purpose.
The lower surface of the current detection device 8 is abutted against the upper end of the insulating sleeve 4, a sealing ring is arranged at the contact position of the current detection device 8 and the joint edge sleeve 4, the sealing ring is arranged at the connection position of the bottom plate 12 and the insulating sleeve 4, the sealing performance of the terminal is improved through the arrangement of the sealing ring, and the leakage of insulating liquid is avoided.
The surface of the conductor 10 is fixedly connected with a stress cone 11, the stress cone 11 is sleeved on the conductor 10, the upper part of the conductor 10 is arranged inside the insulating sleeve 4, the stress cone 11 enables a zero potential to form a horn shape, the electric field distribution of an insulating shielding layer is improved, the possibility of corona generation is reduced, the insulation damage is reduced, and the service life of the terminal is ensured.
The outer surface of the insulating sleeve 4 is fixedly connected with a large umbrella skirt 401 and a small umbrella skirt 402, the large umbrella skirt 401 and the small umbrella skirt 402 are uniformly and alternately arranged on the outer surface of the insulating sleeve, and the large umbrella skirt and the small umbrella skirt can effectively improve the pollution resistance of the outdoor terminal.
The upper end of the bottom plate 12 is fixedly connected with a mounting plate 5, the mounting plate 5 is sleeved on the outer surface of the insulating sleeve 4, and the mounting plate 5 enables the outdoor terminal to be conveniently mounted on external equipment.
In summary, the invention has the advantages that: install level sensor in the terminal, give the on-line monitoring host computer with data transmission, through 4G signal transmission for the server after handling, data abnormity directly sends out the warning, tells the personnel of patrolling and examining to overhaul, reaches fault location, timely maintenance's purpose, can effectual improvement insulating sleeve's safety in utilization, and very big reduction maintenance personal's working strength.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a compound cover outdoor termination of oil level on-line monitoring, a serial communication port, including insulation support (4), insulation support (4) bottom fixedly connected with bottom plate (12), fixedly connected with level sensor (13) on bottom plate (12), bottom plate (12) lower extreme fixedly connected with conductor protective sheath (6), conductor protective sheath (6) surface fixedly connected with signal control box (14), conductor protective sheath (6) internal thread is connected with conductor (10), insulating handle (7) of conductor (10) lower extreme fixedly connected with, excellent (9) are drawn forth to conductor (10) upper end fixedly connected with conductor, the conductor is drawn forth excellent (9) upper end fixedly connected with conductor connector (1).
2. The oil level on-line monitoring composite sleeve outdoor terminal according to claim 1, characterized in that an upper support member (3) is fixedly connected to the top of the insulation sleeve (4), and a high voltage shielding shell (2) is fixedly connected to the upper end of the upper support member (3).
3. The oil level on-line monitoring composite sleeve outdoor terminal according to claim 2, characterized in that a current detection device (8) is fixedly connected to the upper end of the upper support member (3), and the current detection device (8) is arranged inside the high-voltage shielding shell (2).
4. The oil level on-line monitoring composite sleeve outdoor terminal according to claim 3, characterized in that the lower surface of the current detection device (8) is abutted against the upper end of the insulating sleeve (4), and a sealing ring is arranged at the contact position of the current detection device (8) and the joint edge sleeve (4).
5. The outdoor terminal of the compound sleeve for on-line oil level monitoring as claimed in claim 1, characterized in that the connection part of the bottom plate (12) and the insulating sleeve (4) is provided with a sealing ring.
6. The oil level on-line monitoring composite sleeve outdoor terminal according to claim 1, characterized in that a stress cone (11) is fixedly connected to the surface of the conductor (10), and the stress cone (11) is sleeved on the conductor (10).
7. An oil level on-line monitoring composite bushing outdoor terminal according to claim 1, characterized in that the upper part of the conductor (10) is arranged inside the insulating bushing (4), and the stress cone (11) is arranged inside the insulating bushing (4).
8. An oil level on-line monitoring composite sleeve outdoor terminal according to claim 1, characterized in that a large umbrella skirt (401) and a small umbrella skirt (402) are fixedly connected to the outer surface of the insulating sleeve (4), and the large umbrella skirt (401) and the small umbrella skirt (402) are uniformly and alternately arranged on the outer surface of the insulating sleeve.
9. The outdoor terminal of the compound sleeve for monitoring the oil level on line is characterized in that a mounting plate (5) is fixedly connected to the upper end of the bottom plate (12), and the mounting plate (5) is sleeved on the outer surface of the insulating sleeve (4).
10. The outdoor terminal of compound sleeve for oil level on-line monitoring as claimed in claim 1 is characterized in that the liquid level sensor (13) is electrically connected with the signal control box (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110434853.6A CN113013828A (en) | 2021-04-22 | 2021-04-22 | Oil level on-line monitoring's compound cover outdoor termination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110434853.6A CN113013828A (en) | 2021-04-22 | 2021-04-22 | Oil level on-line monitoring's compound cover outdoor termination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113013828A true CN113013828A (en) | 2021-06-22 |
Family
ID=76389268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110434853.6A Pending CN113013828A (en) | 2021-04-22 | 2021-04-22 | Oil level on-line monitoring's compound cover outdoor termination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113013828A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113588045A (en) * | 2021-07-08 | 2021-11-02 | 浙江新图维电子科技有限公司 | System and method for detecting oil level of cable oil filling terminal based on ultrasonic ranging |
| CN114199341A (en) * | 2021-12-15 | 2022-03-18 | 长园电力技术有限公司 | Cable termination liquid level monitoring device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201590641U (en) * | 2009-12-25 | 2010-09-22 | 江苏安靠超高压电缆附件有限公司 | Explosion-proof cable outdoor terminal |
| CN202127231U (en) * | 2011-06-29 | 2012-01-25 | 长沙电缆附件有限公司 | Oil charge type terminal with function of monitoring position of insulating oil in real time |
| CN103311873A (en) * | 2013-05-31 | 2013-09-18 | 国家电网公司 | Oil charging cable terminal with insulating oil level testing function |
| CN210111575U (en) * | 2019-04-25 | 2020-02-21 | 江苏宇诚业基电气设备有限公司 | Composite bushing oil-filled intelligent outdoor terminal |
-
2021
- 2021-04-22 CN CN202110434853.6A patent/CN113013828A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201590641U (en) * | 2009-12-25 | 2010-09-22 | 江苏安靠超高压电缆附件有限公司 | Explosion-proof cable outdoor terminal |
| CN202127231U (en) * | 2011-06-29 | 2012-01-25 | 长沙电缆附件有限公司 | Oil charge type terminal with function of monitoring position of insulating oil in real time |
| CN103311873A (en) * | 2013-05-31 | 2013-09-18 | 国家电网公司 | Oil charging cable terminal with insulating oil level testing function |
| CN210111575U (en) * | 2019-04-25 | 2020-02-21 | 江苏宇诚业基电气设备有限公司 | Composite bushing oil-filled intelligent outdoor terminal |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113588045A (en) * | 2021-07-08 | 2021-11-02 | 浙江新图维电子科技有限公司 | System and method for detecting oil level of cable oil filling terminal based on ultrasonic ranging |
| CN114199341A (en) * | 2021-12-15 | 2022-03-18 | 长园电力技术有限公司 | Cable termination liquid level monitoring device |
| CN114199341B (en) * | 2021-12-15 | 2022-08-12 | 长园电力技术有限公司 | Cable termination liquid level monitoring device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113013828A (en) | Oil level on-line monitoring's compound cover outdoor termination | |
| EP3823115B1 (en) | Gas-insulated metal enclosed neutral point complete-set device | |
| CN201717792U (en) | Energy taking power supply of overhead line | |
| CN205050651U (en) | High -tension bushing and isolated bus | |
| CN201498284U (en) | Ultra-high pressure GIS wire inlet and outlet composite insulating sleeve | |
| CN209387780U (en) | A kind of novel section insulator leakage current monitoring device | |
| CN106451084A (en) | Transformer station combined protective electrical appliance | |
| CN209675080U (en) | A kind of Transformer Bushing Tap earthing or grounding means | |
| CN101645337B (en) | Compound insulating sleeve of extra-high voltage GIS incoming and outgoing line | |
| CN210111575U (en) | Composite bushing oil-filled intelligent outdoor terminal | |
| CN2596639Y (en) | High voltage silicon rubber dry cable terminal | |
| CN210430587U (en) | Metal-enclosed three-phase three-wire medium-high voltage combined metering box | |
| CN212364396U (en) | Novel combined metering mutual inductor | |
| CN209029879U (en) | A kind of ground wire energy taking device | |
| CN202749204U (en) | Shrapnel type extractor device of high-voltage bushing end screen | |
| CN208335900U (en) | A kind of novel elbow-type arrester | |
| CN221509104U (en) | Solid sealed intelligent direct protection integrated grounding box | |
| CN2891426Y (en) | Medium voltage cable splicing system | |
| CN112489901A (en) | Be used for direct current wall bushing to use end screen extraction element | |
| CN220121633U (en) | Double-winding transformer | |
| CN105552770A (en) | Connection body between high-voltage sleeve pipe of transformer and gas insulated switchgear (GIS) device | |
| CN206657957U (en) | Integrated self arc Multiple level arrester | |
| CN214280875U (en) | 35kV transmission line strain insulator tower lightning stroke protector | |
| CN220252946U (en) | Cable sheath protector | |
| CN106199150B (en) | Cable protective layer protector monitors system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210622 |
|
| RJ01 | Rejection of invention patent application after publication |