CN104616874A - Voltage transformer protection device - Google Patents
Voltage transformer protection device Download PDFInfo
- Publication number
- CN104616874A CN104616874A CN201510079180.1A CN201510079180A CN104616874A CN 104616874 A CN104616874 A CN 104616874A CN 201510079180 A CN201510079180 A CN 201510079180A CN 104616874 A CN104616874 A CN 104616874A
- Authority
- CN
- China
- Prior art keywords
- fuse
- voltage
- protection device
- voltage transformer
- transformer protection
- 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
Landscapes
- Transformers For Measuring Instruments (AREA)
Abstract
The invention relates to the field of electrical equipment, in particular to a voltage transformer protection device. The voltage transformer protection device comprises an insulating cylinder, an installation arm and a high-voltage current-limiting fuse installation base; the insulating cylinder is of a hollow tubular structure and gets evenly thinner from the lower wire outgoing end to the upper wire connecting end, a contact buffering spring is arranged on the inner wall of the upper wire connecting end, an anti-drop unit is arranged at the lower wire outgoing end, and the installation arm is fixedly connected to the lower wire outgoing end of the insulating cylinder; the high-voltage current-limiting fuse installation base comprises a fuse base, an insulating-rod installation end and a cross arm. The voltage transformer protection device has the advantages that replacement of a high-voltage current-limiting fuse by an insulating tension pole is facilitated in case of constant power, installation of the pole by maintenance workers is not needed, and labor intensity and complexity are lowered; by the arrangement of a fault indicator and a communicator, judgment of whether the fuse is fused or not is more visual, information tips can be directly sent to relevant personnel after fusing of the fuse, and fault sites can be judged rapidly.
Description
Technical field
The present invention relates to field of electrical equipment, be specifically related to a kind of voltage transformer protection device.
Background technology
Voltage transformer is the transformer of a band iron core.It is primarily of first and second coil, iron core and insulation composition.When applying a voltage U 1 on a winding, in iron core, just produce a magnetic flux
, according to the law of electromagnetic induction, then in secondary winding, just produce a secondary voltage U2.Change once or the number of turn of secondary winding, can produce different primary voltages and secondary voltage ratio, this just can form not voltage transformer on year-on-year basis.Voltage transformer converts high voltage to low-voltage in proportion, i.e. 100V, and voltage transformer primary side is connected on primary system, secondary side joint measuring instrument, relaying protection etc.; (capacitance type potential transformer is widely used) of mainly electromagnetic type, separately has non electromagnetic, as electronic type, photoelectric type.Now voltage transformer is commercially all internal high-voltage current limiting fuse. the fuse failure by high-voltage and current-limitation fuse carrys out open failure.But exist a lot of not enough, 1. change the necessary power-off of high-voltage and current-limitation fuse; 2. change the necessary upper boom of high-voltage and current-limitation fuse, increase labour intensity and complexity; 3. directly cannot judge whether fuse fuses; 4. cannot give the prompting of related personnel's information after fuse blows.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of voltage transformer protection device that can carry out changing high-voltage and current-limitation fuse when charged.
For solving the problems of the technologies described above, the invention provides following technical scheme: a kind of voltage transformer protection device, it is characterized in that comprising insulating cylinder, hold-down arm and high-voltage and current-limitation fuse mounting seat;
Described insulating cylinder is the tubular structure of hollow, evenly attenuate from lower wire end to upper terminals, the upper terminals inwall of described insulating cylinder is provided with contact buffer spring, and described insulating cylinder lower wire end is provided with anti-drop device, and described insulating cylinder lower wire end inwall is provided with several fixing spring decks;
Described hold-down arm is fixedly connected with insulating cylinder lower wire end, and hold-down arm is provided with installation fixing hole, for fixed voltage instrument transformer protective device;
Described high-voltage and current-limitation fuse mounting seat comprises fuse base, insulated tension pole installation end and cross-arm, described fuse base is the cylinder-like structure of upper end open, for loading the bottom of high-voltage and current-limitation fuse, the outer wall of described fuse base is provided with the groove suitable with the fixing spring deck quantity on insulating cylinder lower wire end inwall, and described groove matches with fixing spring deck and plays the effect of fixing high-voltage and current-limitation fuse; Described insulated tension pole installation end matches with the general insulated tension pole of high pressure, and the general insulated tension pole of high pressure easy to use is installed.
Preferably, the inwall of described fuse base is also provided with spring leaf, can fix high-voltage and current-limitation fuse.
Preferably, described voltage transformer protection device is also provided with fault detector, the working condition (normal/fault) of fuse can be shown in real time; Further, described fault detector band night display function, facilitates the working condition of round-the-clock monitoring fuse.Described fault detector is existing product, can purchase from the market and obtain.
Preferably; described voltage transformer protection device is also provided with communicator, is separately provided with communication and transmission terminal, when fuse breaks down; being there is site and is sent to communication and transmission terminal by communicator in failure condition and fault, realizes monitoring in all directions easily.Described communicator, communication and transmission terminal are existing product, can purchase from the market and obtain.
Beneficial effect of the present invention there are provided a kind of voltage transformer protection device, can when not power-off, and be convenient to use insulated tension pole and change high-voltage and current-limitation fuse, do not need repairing workman's upper boom, reduces labour intensity and complexity; By the setting of fault detector and communicator, make to judge whether fuse fuses more directly perceived, can point out directly to related personnel's information after fuse blows, rapid failure judgement site.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of voltage transformer protection device of the present invention.
Fig. 2 is the end view of the embodiment of voltage transformer protection device of the present invention.
Fig. 3 is the upward view of the embodiment of voltage transformer protection device of the present invention.
Reference numeral: 1. insulating cylinder; Terminals on 11.; 12. lower wire ends; 13. contact buffer springs; 14. anti-drop devices; 15. fixing spring decks; 2. hold-down arm; 21. install fixing hole; 3. high-voltage and current-limitation fuse mounting seat; 31. fuse bases; 32. insulated tension pole installation ends; 33. cross-arms; 34. grooves; 4. high-voltage and current-limitation fuse.
Embodiment
A kind of voltage transformer protection device, is characterized in that comprising insulating cylinder 1, hold-down arm 2 and high-voltage and current-limitation fuse mounting seat 3; Insulating cylinder 1 is the tubular structure of hollow, evenly attenuates from lower wire end 12 to upper terminals 11, and upper terminals 11 inwall is provided with contact buffer spring 13, and lower wire end 12 is provided with anti-drop device 14, and lower wire end 12 inwall is provided with two fixing spring decks 15; Hold-down arm 2 is fixedly connected with insulating cylinder lower wire end 12, and hold-down arm 2 is provided with installs fixing hole 21, for fixed voltage instrument transformer protective device; As shown in Figure 2, anti-drop device 14 is the frame-type structure of one end open.
High-voltage and current-limitation fuse mounting seat 3 comprises fuse base 31, insulated tension pole installation end 32 and cross-arm 33, fuse base 31 is the cylinder-like structure of upper end open, for loading the bottom of high-voltage and current-limitation fuse 4, the outer wall of fuse base 31 is provided with the groove 34 suitable with the fixing spring deck quantity on insulating cylinder lower wire end 12 inwall, and groove 34 matches with fixing spring deck 15 and plays the effect of fixing high-voltage and current-limitation fuse 4; Insulated tension pole installation end 32 matches with the general insulated tension pole of high pressure, high pressure easy to use general insulated tension pole installation high-voltage current limiting fuse 4.As shown in Figure 3, after being in place, the insulated tension pole that turns clockwise, by cross-arm 33 precession anti-drop device 14, can prevent high-voltage and current-limitation fuse 4 from coming off.
In a preferred embodiment of the present invention, the inwall of fuse base 31 is also provided with spring leaf, can fix high-voltage and current-limitation fuse 4.
In a preferred embodiment of the present invention, voltage transformer protection device is also provided with fault detector, the working condition (normal/fault) of fuse can be shown in real time; Further, described fault detector band night display function, facilitates the working condition of round-the-clock monitoring fuse.
In a preferred embodiment of the present invention; voltage transformer protection device is also provided with communicator, is separately provided with communication and transmission terminal, when fuse breaks down; being there is site and is sent to communication and transmission terminal by communicator in failure condition and fault, realizes monitoring in all directions easily.
More than display only describes principal character of the present invention and main points.Those skilled in the art should understand, and the present invention is not restricted to the described embodiments.Under the prerequisite not departing from inventive point and protection range, the present invention also has various change, and these changes and improvements all will fall in the scope of protection of present invention.
Claims (5)
1. a voltage transformer protection device, is characterized in that comprising insulating cylinder (1), hold-down arm (2) and high-voltage and current-limitation fuse mounting seat (3);
Described insulating cylinder (1) is the tubular structure of hollow, evenly attenuate from lower wire end (12) to upper terminals (11), described upper terminals (11) inwall is provided with contact buffer spring (13), described lower wire end (12) is provided with anti-drop device (14), and described lower wire end (12) inwall is provided with several fixing spring decks (15);
Described hold-down arm (2) is fixedly connected with lower wire end (12), and hold-down arm (2) is provided with installs fixing hole (21);
Described high-voltage and current-limitation fuse mounting seat (3) comprises fuse base (31), insulated tension pole installation end (32) and cross-arm (33), the cylinder-like structure that described fuse base (31) is upper end open, for loading the bottom of high-voltage and current-limitation fuse, the outer wall of described fuse base (31) is provided with the groove (34) suitable with fixing spring deck (15) quantity on lower wire end (12) inwall, described groove (34) matches with fixing spring deck (15) and plays the effect of fixing high-voltage and current-limitation fuse (4), described insulated tension pole installation end (32) is matched with the general insulated tension pole of high pressure.
2. voltage transformer protection device as claimed in claim 1, is characterized in that the inwall of described fuse base (31) is also provided with spring leaf, can fix high-voltage and current-limitation fuse (4).
3. voltage transformer protection device as claimed in claim 1 or 2, is characterized in that described voltage transformer protection device is also provided with fault detector.
4. voltage transformer protection device as claimed in claim 3, is characterized in that described fault detector band night display function.
5. voltage transformer protection device as claimed in claim 1 or 2, is characterized in that described voltage transformer protection device is also provided with communicator, is separately provided with communication and transmission terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510079180.1A CN104616874A (en) | 2015-02-14 | 2015-02-14 | Voltage transformer protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510079180.1A CN104616874A (en) | 2015-02-14 | 2015-02-14 | Voltage transformer protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104616874A true CN104616874A (en) | 2015-05-13 |
Family
ID=53151286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510079180.1A Pending CN104616874A (en) | 2015-02-14 | 2015-02-14 | Voltage transformer protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104616874A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105098712A (en) * | 2015-08-25 | 2015-11-25 | 国家电网公司 | Protection equipment for 6-35kV power grid voltage transformers |
| CN108335892A (en) * | 2018-04-07 | 2018-07-27 | 华建电气有限公司 | Voltage transformer overload protection arrangement |
| CN110620002A (en) * | 2019-09-12 | 2019-12-27 | 湖北大二互科技股份有限公司 | Temperature sensing type voltage transformer |
| CN111564347A (en) * | 2020-05-06 | 2020-08-21 | 安徽明玑电力设备有限公司 | High-voltage fuse base structure with live indication |
| CN111696775A (en) * | 2020-06-11 | 2020-09-22 | 广东电网有限责任公司清远供电局 | Voltage transformer |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3590320A (en) * | 1967-10-19 | 1971-06-29 | Robert Conroi | Voltage transformer with removable high voltage fuses |
| CN103700475A (en) * | 2013-11-29 | 2014-04-02 | 国家电网公司 | Voltage transformer fuse mounting base |
| CN104124103A (en) * | 2014-07-01 | 2014-10-29 | 珠海许继电气有限公司 | Movable contact rod connection and transmission device of vacuum arc extinguishing chamber |
| CN204480874U (en) * | 2015-02-14 | 2015-07-15 | 云南电网有限责任公司带电作业分公司 | A kind of voltage transformer protection device |
-
2015
- 2015-02-14 CN CN201510079180.1A patent/CN104616874A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3590320A (en) * | 1967-10-19 | 1971-06-29 | Robert Conroi | Voltage transformer with removable high voltage fuses |
| CN103700475A (en) * | 2013-11-29 | 2014-04-02 | 国家电网公司 | Voltage transformer fuse mounting base |
| CN104124103A (en) * | 2014-07-01 | 2014-10-29 | 珠海许继电气有限公司 | Movable contact rod connection and transmission device of vacuum arc extinguishing chamber |
| CN204480874U (en) * | 2015-02-14 | 2015-07-15 | 云南电网有限责任公司带电作业分公司 | A kind of voltage transformer protection device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105098712A (en) * | 2015-08-25 | 2015-11-25 | 国家电网公司 | Protection equipment for 6-35kV power grid voltage transformers |
| CN108335892A (en) * | 2018-04-07 | 2018-07-27 | 华建电气有限公司 | Voltage transformer overload protection arrangement |
| CN110620002A (en) * | 2019-09-12 | 2019-12-27 | 湖北大二互科技股份有限公司 | Temperature sensing type voltage transformer |
| CN111564347A (en) * | 2020-05-06 | 2020-08-21 | 安徽明玑电力设备有限公司 | High-voltage fuse base structure with live indication |
| CN111696775A (en) * | 2020-06-11 | 2020-09-22 | 广东电网有限责任公司清远供电局 | Voltage transformer |
| CN111696775B (en) * | 2020-06-11 | 2021-10-26 | 广东电网有限责任公司清远供电局 | Voltage transformer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11442114B2 (en) | Overhead power line sensor | |
| CN104616874A (en) | Voltage transformer protection device | |
| US9983254B2 (en) | Wireless power line sensor | |
| CN102931609B (en) | On-load changes the operational method of 10kV fuse switch | |
| CN204480874U (en) | A kind of voltage transformer protection device | |
| Giraudet | Various benefts for line surge arrester application and advantages of externally gapped line arresters | |
| CN209432952U (en) | Inside transformer insulation defect Discharge Simulation device | |
| CN106356758A (en) | Operating method for replacing pole-mounted switch live on indirect bypass of 10 KV line insulating pole | |
| US3210750A (en) | Cable terminator with fault-current indicator therefor | |
| CN204789832U (en) | CVT high -voltage testing's line changing device and CVT high -voltage testing device | |
| CN208158238U (en) | A kind of electricity getting device | |
| CN103675540B (en) | Shunt capacitor bank discharge device | |
| CN205177757U (en) | Drop out fuse tests electric earthing device | |
| A Isaac et al. | Arduino microcontroller based underground cable fault distance locator | |
| CN210297215U (en) | Lightning protection device of intelligent distribution network in multiple overcast and rainy areas | |
| CN204696684U (en) | The ultra-high-tension power transmission line of current balance is kept after a kind of power taking | |
| CN110336241A (en) | A kind of lightning-protection method and device of the intelligent power distribution net in more overcast and rainy areas | |
| CN205487702U (en) | Automatic device that overhauls of transformer | |
| JP2016129458A (en) | Momentary voltage drop avoidance system | |
| Toman et al. | Experimental measuring of the earth faults currents in MV compensated networks | |
| CN204360911U (en) | With the voltage transformer of fuse | |
| Giraudet | Various benefits for line surge arrester application and advantages of externally gapped line arresters | |
| CN108806897A (en) | There are the suspension insulator and defective insulation isolator detecting method of electrification display function | |
| Middleton et al. | A dry type HV insulation system for extreme environments | |
| Pattanaik | Extract discussion of experts on spark... ignited to share (A Power Engineers Whatsapp Group) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20180126 |
|
| AD01 | Patent right deemed abandoned |