CN105118754A - Automatic alarm drop-out type fuse - Google Patents
Automatic alarm drop-out type fuse Download PDFInfo
- Publication number
- CN105118754A CN105118754A CN201510536065.2A CN201510536065A CN105118754A CN 105118754 A CN105118754 A CN 105118754A CN 201510536065 A CN201510536065 A CN 201510536065A CN 105118754 A CN105118754 A CN 105118754A
- Authority
- CN
- China
- Prior art keywords
- fuse
- automatic alarm
- cartridge
- cartridge fuse
- contact
- 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
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/54—Protective devices wherein the fuse is carried, held, or retained by an intermediate or auxiliary part removable from the base, or used as sectionalisers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/04—Means for indicating condition of the switching device
Abstract
The invention discloses an automatic alarm drop-out type fuse, belonging to the power supply system technology field. The fuse comprises an installation support, a porcelain member, a fuse tube, an insulation support and a video monitoring device which is used for collecting images of the insulation support 3 and the fuse tube and matching the collected image with the images showing that the insulation support is in normal contact with the fuse tube in a backstage. The automatic alarm drop-out type fuse realizes on-time monitoring, alarming and positioning through arranging the monitoring device, and solves the problem that the drop-out fuse is not easy to position. Besides, the automatic alarm drop-out type fuse is fast and accurate in positioning, and can alarm timely.
Description
Technical field
The invention belongs to electric power system technical field, be specifically related to a kind of automatic alarm fuse switch.
Background technology
Fuse switch is arranged on 10kV distribution line branch line, can power failure range be reduced, because it has an obvious cut-off point of high voltage drop-out type fuse cutout, possess the function of isolating switch, create a safety work environment to maintenance section circuit and equipment, add the sense of security of maintainer.Be arranged on distribution transformer, can as the main protection of distribution transformer, so, obtain universal in 10kV distribution line and distribution transformer.The moving contact at cartridge fuse two ends relies on fuse (melt) to fasten, and pushed by upper moving contact after " duckbilled " protuberance fuse switch divides, the upper static contact that phosphorus bronze sheet etc. are made heads on moving contact, so cartridge fuse to be stuck in " duckbilled " securely inner.When short circuit current is by fuse failure, produce electric arc, the vulcanized fiber tube of cartridge fuse liner produces a large amount of gas because being shut cartridge fuse upper end under arcing, and gas sprays to lower end, blows out electric arc.Due to fuse failure, the upper lower moving contact of cartridge fuse loses the fastening force of fuse, and under the effect of cartridge fuse self gravitation and upper and lower fixed contact spring leaf, cartridge fuse falls rapidly, and circuit is disconnected, excision faulty section circuit or faulty equipment.But fuse switch needs periodical inspection and maintenance, monthly be no less than a night inspection, check with or without discharge spark and loose contact phenomenon, there is electric discharge, can with the sound of neighing, process to be arranged as early as possible, so just have person works to measure larger, find the problem that fuse switch is not easy to locate.
Summary of the invention
According to above the deficiencies in the prior art, technical problem to be solved by this invention proposes a kind of automatic alarm fuse switch, arrange supervising device by fuse switch to realize monitoring in real time, report to the police and location, solve the problem that fuse switch is not easy to locate, have that locating speed is fast, accurate positioning and can and the advantage of alarm.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: a kind of automatic alarm fuse switch, and this fuse comprises mounting bracket, porcelain piece, cartridge fuse, insulating support and is arranged on mounting bracket for video monitoring apparatus that the image being carried out by the image that the image collected and insulating support in backstage and cartridge fuse normally contact gathering insulating support 3 and cartridge fuse contrasts.
Described insulating support two ends are respectively equipped with upper static contact and lower fixed contact, and upper static contact and lower fixed contact are separately positioned on the two ends of porcelain piece, and mounting bracket is arranged on the middle part of porcelain piece, and cartridge fuse is fastened between the upper static contact of insulating support and lower fixed contact.Described cartridge fuse two ends are respectively equipped with moving contact and lower moving contact, described cartridge fuse comprises the expulsion tube of internal layer and outer field expoxy glass pipe, the bottom cover of described fuse has copper pipe, and fuse is also provided with the elasticity auxiliary contact and flash absorber that are arranged on insulating support upper bracket.The middle part of described porcelain piece has stretches out bar, and porcelain piece stretches out bar and mounting bracket removably connects.The upper end of described cartridge fuse has guide hook, operating parts, and described operating parts is snap ring structure.The outer surface of described cartridge fuse is also provided with the wireless transmitter of the signal sent for receiver, video supervising device.Described mounting bracket is also provided with network transmission module.Described network transmission module is made up of wireless network, serial ports, Ethernet switch, fiber optic network.
A kind of method of work of fuse switch, step one, after the electric fuse in cartridge fuse is bad, the upper lower moving contact of cartridge fuse loses the fastening force of fuse, cartridge fuse self gravitation and on, under the effect of lower fixed contact spring leaf, cartridge fuse falls rapidly, circuit is disconnected, excision faulty section circuit or faulty equipment, step 2, video monitoring apparatus finds that the cartridge fuse of the fuse of fault is sagging, inconsistent with image in backstage, send abnormal signal, step 3, after wireless transmitter receives abnormal signal, abnormal signal is passed to the dispatcher in control room by wireless transmitter by network transmission module, step 4, the supervisory signal of directly checking video monitoring apparatus after the signal of wireless transmitter by switching communication line that dispatcher confirms, judge fuse whether fault further, step 5, if confirmation fault, dispatcher sends dispatching command to maintenance personal, maintenance personal directly arrives fault fuse present position and keeps in repair, and provide and tentatively keep in repair suggestion, step 6, do not break down if confirm, dispatcher closes the abnormal signal of video monitoring apparatus.
Beneficial effect of the present invention is: the present invention arranges supervising device by fuse switch and realizes monitoring in real time, reports to the police and location, solve the problem that fuse switch is not easy to locate, have that locating speed is fast, accurate positioning reporting to the police by remote control terminal, substantially increase the efficiency of maintenance, save human resources.
Accompanying drawing explanation
Below the content expressed by this Figure of description and the mark in figure are briefly described:
Fig. 1 is the structure chart of the specific embodiment of the present invention.
In figure, 1 is mounting bracket, and 2 is porcelain piece, and 3 is cartridge fuse, and 4 is insulating support, and 5 is video monitoring apparatus.
Embodiment
Contrast accompanying drawing below, by the description to embodiment, the specific embodiment of the present invention is as the effect of the mutual alignment between the shape of involved each component, structure, each several part and annexation, each several part and operation principle, manufacturing process and operation using method etc., be described in further detail, have more complete, accurate and deep understanding to help those skilled in the art to inventive concept of the present invention, technical scheme.
As shown in Figure 1, a kind of automatic alarm fuse switch, the video monitoring apparatus 5 that this fuse comprises mounting bracket 1, porcelain piece 2, cartridge fuse 4, insulating support 3 and is arranged on mounting bracket 1, described insulating support 3 two ends are respectively equipped with upper static contact and lower fixed contact, upper static contact and lower fixed contact are separately positioned on the two ends of porcelain piece 2, mounting bracket 1 is arranged on the middle part of porcelain piece 2, and cartridge fuse 4 is fastened between the upper static contact of insulating support 3 and lower fixed contact.Cartridge fuse 4 two ends are respectively equipped with moving contact and lower moving contact, and described cartridge fuse 4 comprises the expulsion tube of internal layer and outer field expoxy glass pipe, and the bottom cover of described fuse has copper pipe.Fuse is also provided with the elasticity auxiliary contact and flash absorber that are arranged on insulating support upper bracket, meets electric current for dividing, closing.The middle part of described porcelain piece 2 has stretches out bar, and porcelain piece 3 stretches out bar and mounting bracket 1 removably connects.The upper end of described cartridge fuse 4 has guide hook, operating parts, and described operating parts is snap ring structure.Described mounting bracket 1 is provided with video monitoring apparatus 5, video monitoring apparatus 5 gathers the image of insulating support 3 and cartridge fuse 4 and is contrasted by the image that the image collected and insulating support in backstage 3 and cartridge fuse 4 normally contact, after contrast, if image is inconsistent in the image that video monitoring apparatus 5 discovery obtains and backstage, video monitoring apparatus 5 will send abnormal signal, if the image that video monitoring apparatus 5 discovery obtains is consistent with image in backstage, then video monitoring apparatus 5 does not send abnormal signal.
The outer surface of described cartridge fuse 4 is also provided with the wireless transmitter of the abnormal signal sent for receiver, video supervising device 5.Described mounting bracket 1 is also provided with network transmission module.
A kind of method of work of fuse switch, after the electric fuse in cartridge fuse 4 is bad, the upper lower moving contact of cartridge fuse 4 loses the fastening force of fuse, under the effect of cartridge fuse 4 self gravitation and upper and lower fixed contact spring leaf, cartridge fuse 4 falls rapidly, circuit is disconnected, excision faulty section circuit or faulty equipment.Because cartridge fuse 4 changed by needs, therefore need to look for out of order cartridge fuse 4 fast, video monitoring apparatus 5 finds that the cartridge fuse 4 of the fuse of fault is sagging, inconsistent with image in backstage, send abnormal signal, after wireless transmitter receives abnormal signal, abnormal signal is passed to the dispatcher in control room by wireless transmitter by network transmission module, what dispatcher confirmed directly checks the supervisory signal of video monitoring apparatus 5 by switching communication line to the signal of wireless transmitter after, judges fuse whether fault further.If confirmation fault, dispatcher sends dispatching command to maintenance personal, and maintenance personal directly arrives fault fuse present position and carries out keeping in repair and providing tentatively keeping in repair suggestion, and do not break down if confirm, dispatcher closes the abnormal signal of video monitoring apparatus 5.Substantially increase the efficiency of maintenance.And due to the step having scheduling people directly to check the supervisory signal of video monitoring apparatus 5, avoid the possibility of wrong report, saved human resources.
Described network transmission module is made up of wireless network, serial ports, Ethernet switch, fiber optic network, the data that wireless network transmissions receives wireless transmitter transmission are connected with Ethernet switch by serial ports, Ethernet switch is connected with fiber optic network, serial ports turns Ethernet switch and is responsible for connecting fiber net and radio sensing network, by optical networking, by the transfer of data of data analysis to server.
Video monitoring apparatus 5 as directly and the mutual platform of operating personnel, ease for operation, reliable and stable be the most basic requirement of video monitoring apparatus 5.It mainly realizes following functions: 1) remote real-time monitoring each region automatic alarm fuse switch environmental parameter.2), when gathering automatic alarm fuse switch abnormal parameters or accident generation, video monitoring apparatus 5 will provide the more specific location information had an accident, and send warning message.
When system jam, fault current makes fuse quick-break, and form electric arc, expulsion tube is scorching hot by electric arc, decompose a large amount of gas, make to form very high pressure in pipe, and form vertical blowing along pipeline, electric arc is extinguished by elongating rapidly, after fuse failure, lower moving contact lose tension force and under turn over, retaining mechanism release cartridge fuse, cartridge fuse 4 falls, be split into and obviously cut-off position, video monitoring apparatus 5 is noted abnormalities by contrast images, sends abnormal signal, sends to dispatcher by network transmission module.When needs draw meet time, moving contact is pulled open with insulating bar, now auxiliary contact still contacts, continuation insulating bar pulls contact, and auxiliary contact is also separated, between auxiliary contact, produce electric arc, electric arc is elongated in flash absorber crack, flash absorber produces gas simultaneously, when electric current is zero, by arc extinction.
Above by reference to the accompanying drawings to invention has been exemplary description; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technical scheme is carried out; or design of the present invention and technical scheme directly applied to other occasion, all within protection scope of the present invention without to improve.The protection range that protection scope of the present invention should limit with claims is as the criterion.
Claims (9)
1. an automatic alarm fuse switch, is characterized in that: this fuse comprises mounting bracket (1), porcelain piece (2), cartridge fuse (4), insulating support (3) and is arranged on mounting bracket (1) for video monitoring apparatus (5) that the image being carried out by the image that the image collected and insulating support in backstage (3) and cartridge fuse (4) normally contact gathering insulating support (3) and cartridge fuse (4) contrasts.
2. automatic alarm fuse switch according to claim 1, it is characterized in that: described insulating support (3) two ends are respectively equipped with upper static contact and lower fixed contact, upper static contact and lower fixed contact are separately positioned on the two ends of porcelain piece (2), mounting bracket (1) is arranged on the middle part of porcelain piece (2), and cartridge fuse (4) is fastened between the upper static contact of insulating support (3) and lower fixed contact.
3. automatic alarm fuse switch according to claim 1, it is characterized in that: described cartridge fuse (4) two ends are respectively equipped with moving contact and lower moving contact, described cartridge fuse (4) comprises the expulsion tube of internal layer and outer field expoxy glass pipe, the bottom cover of described fuse has copper pipe, and fuse is also provided with the elasticity auxiliary contact and flash absorber that are arranged on insulating support upper bracket.
4. automatic alarm fuse switch according to claim 1, it is characterized in that: the middle part of described porcelain piece (2) has stretches out bar, porcelain piece (3) stretches out bar and mounting bracket (1) removably connects.
5. automatic alarm fuse switch according to claim 1, it is characterized in that: the upper end of described cartridge fuse (4) has guide hook, operating parts, described operating parts is snap ring structure.
6. automatic alarm fuse switch according to claim 1, is characterized in that: the outer surface of described cartridge fuse (4) is also provided with the wireless transmitter of the signal sent for receiver, video supervising device (5).
7. automatic alarm fuse switch according to claim 1, is characterized in that: (1) is also provided with network transmission module to described mounting bracket.
8. automatic alarm fuse switch according to claim 7, is characterized in that: described network transmission module is made up of wireless network, serial ports, Ethernet switch, fiber optic network.
9. the method for work of a fuse switch, it is characterized in that: step one, after the electric fuse in cartridge fuse (4) is bad, the upper lower moving contact of cartridge fuse (4) loses the fastening force of fuse, at cartridge fuse (4) self gravitation and upper, under the effect of lower fixed contact spring leaf, cartridge fuse (4) falls rapidly, circuit is disconnected, excision faulty section circuit or faulty equipment, step 2, video monitoring apparatus (5) finds that the cartridge fuse (4) of the fuse of fault is sagging, inconsistent with image in backstage, send abnormal signal, step 3, after wireless transmitter receives abnormal signal, abnormal signal is passed to the dispatcher in control room by wireless transmitter by network transmission module, step 4, the supervisory signal of directly checking video monitoring apparatus (5) after the signal of wireless transmitter by switching communication line that dispatcher confirms, judge fuse whether fault further, step 5, if confirmation fault, dispatcher sends dispatching command to maintenance personal, maintenance personal directly arrives fault fuse present position and keeps in repair, and provide and tentatively keep in repair suggestion, step 6, do not break down if confirm, dispatcher closes the abnormal signal of video monitoring apparatus (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510536065.2A CN105118754A (en) | 2015-08-26 | 2015-08-26 | Automatic alarm drop-out type fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510536065.2A CN105118754A (en) | 2015-08-26 | 2015-08-26 | Automatic alarm drop-out type fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105118754A true CN105118754A (en) | 2015-12-02 |
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ID=54666708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510536065.2A Pending CN105118754A (en) | 2015-08-26 | 2015-08-26 | Automatic alarm drop-out type fuse |
Country Status (1)
| Country | Link |
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| CN (1) | CN105118754A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106228761A (en) * | 2016-08-04 | 2016-12-14 | 常德威迪电气有限责任公司 | The automatic alarm system of device for fusing |
| CN108957220A (en) * | 2018-08-10 | 2018-12-07 | 国网江西省电力有限公司赣东北供电分公司 | A kind of transmission of fuse switch state and fail analysis device based on Internet of Things |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3524813C2 (en) * | 1985-07-11 | 1987-05-07 | Elektrotechnische Werke Fritz Driescher & Soehne Gmbh & Co, 8052 Moosburg, De | |
| CN1845283A (en) * | 2006-04-13 | 2006-10-11 | 温州市自豪特种机电有限公司 | Remote controlled drop-out fuse |
| CN201845734U (en) * | 2010-08-31 | 2011-05-25 | 李艳丛 | Novel dropping type fuse |
| CN102256156A (en) * | 2011-07-13 | 2011-11-23 | 广东长虹电子有限公司 | Method and system for controlling power-on and power-off test of television |
| CN203983216U (en) * | 2014-07-11 | 2014-12-03 | 浙江天虹电气金具有限公司 | Fuse |
-
2015
- 2015-08-26 CN CN201510536065.2A patent/CN105118754A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3524813C2 (en) * | 1985-07-11 | 1987-05-07 | Elektrotechnische Werke Fritz Driescher & Soehne Gmbh & Co, 8052 Moosburg, De | |
| CN1845283A (en) * | 2006-04-13 | 2006-10-11 | 温州市自豪特种机电有限公司 | Remote controlled drop-out fuse |
| CN201845734U (en) * | 2010-08-31 | 2011-05-25 | 李艳丛 | Novel dropping type fuse |
| CN102256156A (en) * | 2011-07-13 | 2011-11-23 | 广东长虹电子有限公司 | Method and system for controlling power-on and power-off test of television |
| CN203983216U (en) * | 2014-07-11 | 2014-12-03 | 浙江天虹电气金具有限公司 | Fuse |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106228761A (en) * | 2016-08-04 | 2016-12-14 | 常德威迪电气有限责任公司 | The automatic alarm system of device for fusing |
| CN108957220A (en) * | 2018-08-10 | 2018-12-07 | 国网江西省电力有限公司赣东北供电分公司 | A kind of transmission of fuse switch state and fail analysis device based on Internet of Things |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151202 |
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| RJ01 | Rejection of invention patent application after publication |