CN108288554B - Fuse component for realizing interlocking - Google Patents
Fuse component for realizing interlocking Download PDFInfo
- Publication number
- CN108288554B CN108288554B CN201810065457.9A CN201810065457A CN108288554B CN 108288554 B CN108288554 B CN 108288554B CN 201810065457 A CN201810065457 A CN 201810065457A CN 108288554 B CN108288554 B CN 108288554B
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- CN
- China
- Prior art keywords
- fuse
- electromagnet
- controller
- interlocking
- protective cover
- Prior art date
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- 230000001681 protective effect Effects 0.000 claims abstract description 20
- 238000004891 communication Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
-
- 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
- H01H85/02—Details
- H01H85/20—Bases for supporting the fuse; Separate parts thereof
- H01H85/2045—Mounting means or insulating parts of the base, e.g. covers, casings
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fuses (AREA)
Abstract
The invention discloses a fuse assembly capable of realizing interlocking, and relates to the technical field of fuses, the structure of the fuse assembly comprises a controller and at least two fuses connected with the controller, each fuse comprises an electromagnetic lock, a fuse main body and a protective cover capable of rotating relative to the fuse main body, the electromagnetic lock comprises an electromagnet and a lock tongue connected with the electromagnet, when the electromagnet is electrified, the lock tongue stretches out/retracts, the protective cover of the fuse is limited to be opened when the lock tongue stretches out, the protective cover of the fuse can be opened when the lock tongue retracts, the fuse cores of one fuse main body are pulled out, the controller controls the electromagnetic locks of other fuses to lock the protective cover of the fuse assembly, and the fuse assembly capable of realizing interlocking is easy to expand and can realize multi-path power interlocking.
Description
Technical Field
The invention relates to the technical field of fuses, in particular to a fuse assembly for realizing interlocking.
Background
With the continuous development of communication technology, the requirements on the safety of a communication power supply system are higher and higher, and the fuse is widely applied to the technical field of communication power supplies as a common device.
In the prior art, in order to prevent the occurrence of systematic problems such as misoperation in the power supply switching process, devices such as a breaker, a disconnecting switch and the like with mechanical interlocking or electrical interlocking are generally used.
The load switch is used for switching the power supply, so that the load switch is expensive, and can only interlock and switch between two paths of power supplies, and cannot interlock a system with multiple paths (more than two paths) of power supplies.
Disclosure of Invention
The invention aims to avoid the defects in the prior art and provide a fuse assembly for realizing interlocking, which is easy to expand and can realize multi-path power interlocking.
The aim of the invention is achieved by the following technical scheme:
the utility model provides a realize fuse subassembly of interlocking, including the controller and with the at least two way fuses that the controller is connected, every way fuse includes electromagnetic lock, the fuse main part and can be for fuse main part pivoted protection casing, the electromagnetic lock includes the electro-magnet and the spring bolt of being connected with the electro-magnet, the electro-magnet is then the spring bolt stretches out/withdraws, the spring bolt stretches out then limits the fuse protection casing and opens, the spring bolt is withdrawn then the fuse protection casing can be opened, wherein the fuse core of fuse main part is pulled out all the way, then the electromagnetic lock of other fuses of controller control locks its self protection casing.
The fuse assembly for realizing the interlocking further comprises a travel switch, the fuse comprises at least one side wall, the travel switch is located on one side wall of the fuse, contacts on the travel switch are in close contact with the protective cover, and the travel switch is electrically connected with the controller.
The side walls comprise two, the protective cover is fixed between the two side walls through the rotating shaft, and the protective cover can rotate relative to the two side walls.
The spring is compressed, and the push rod is contracted to the outside of the fuse.
Specifically, when the electromagnet is electrified, the spring is compressed, and the push rod is contracted into the electromagnet.
Wherein, one of them lateral wall is equipped with the through-hole, and the push rod stretches out the back and inserts this through-hole and then be located the protecting cover top.
Wherein, controller and fuse all locate on the mounting panel.
Wherein, the electromagnetic lock is fixed in on the mounting panel through the installing support.
Each fuse further comprises a control switch, the control switch is connected between the power supply and the electromagnetic lock, and the control switch is controlled by the controller.
Wherein, the control switch is a ship-shaped switch.
The invention has the beneficial effects that: when one of the fuses is damaged and needs to be replaced, or the load rear end equipment corresponding to the one fuse needs to be maintained, and the output of the circuit needs to be disconnected, the electromagnet needs to be electrified, after the electromagnetic force of the electromagnet overcomes the acting force of the spring, the push rod of the electromagnet can shrink to the outside of the fuse, when the push rod can not limit the rotation of the protective cover, the protective cover can be unscrewed to pull out the fuse, at the moment, the controller can collect the on-off signal of the fuse, and the fuse can not be pulled out again after the fuse is disconnected, so that the interlocking state among all the fuses is achieved.
Drawings
The invention will be further described with reference to the accompanying drawings, in which embodiments do not constitute any limitation of the invention, and other drawings can be obtained by one of ordinary skill in the art without inventive effort from the following drawings.
Fig. 1 is a schematic view of a structure in which a protective cover of a fuse is closed.
Fig. 2 is a schematic view of a structure in which a protective cover of the fuse is opened.
The figure comprises the following components:
the fuse body 1, the side wall 11, the through hole 111, the protective cover 2, the electromagnet 31, the push rod 32, the travel switch 4, the contact 41, the mounting plate 5, the mounting bracket 6 and the controller 7.
Detailed Description
The invention will be further described with reference to the following examples.
The fuse assembly for realizing interlocking in this embodiment, as shown in fig. 1 and 2, includes a controller 7 and two paths of fuses connected with the controller 7, each path of fuse includes an electromagnetic lock, a fuse main body 1 and a protection cover 2 capable of rotating relative to the fuse main body 1, the electromagnetic lock includes an electromagnet 31 and a lock tongue connected with the electromagnet 31, when the electromagnet 31 is powered on, the lock tongue is retracted, the lock tongue stretches out to limit the opening of the protection cover 2 of the fuse, when the lock tongue is retracted, the protection cover 2 of the fuse can be opened, the fuse core of one path of fuse main body is pulled out, the controller 7 detects a breaking signal of the fuse core, and then the electromagnetic lock of the other path of fuse is controlled to lock the protection cover 2 of the other path of fuse.
Wherein, the fuse subassembly that realizes the interlock still includes travel switch 4, the fuse includes two lateral walls 11, and travel switch 4 is located on one lateral wall 11 of fuse, and contact 41 and protection casing 2 in close contact on the travel switch 4, and travel switch 4 is connected with the controller 7 electricity, and after protection casing 2 opened, contact 41 on the travel switch 4 can't contact protection casing 2, makes the control can monitor the state of fuse (i.e. protection casing 2 is opened or is closed).
Wherein the shield 2 is fixed between the two side walls 11 by a rotation shaft, and the shield 2 can rotate relative to the two side walls 11.
The spring is connected with the electromagnet 31 and the push rod 32, the electromagnet 31 is electrified, the spring is compressed, and the push rod 32 is contracted outside the fuse. Specifically, when the electromagnet 31 is powered on, the spring is compressed, and the push rod 32 is retracted inside the electromagnet 31, so that the protection cover 2 can be opened.
Wherein, one of the side walls 11 is provided with a through hole 111, the push rod 32 is inserted into the through hole 111 after extending out, and extends into the area of the fuse and is positioned above the protection cover 2 to limit the protection cover 2, so that the protection cover 2 cannot be opened.
Wherein, controller 7 and fuse all locate on mounting panel 5.
Wherein, the electromagnetic lock is fixed on the mounting plate 5 through the mounting bracket 6.
The mounting plate 5 allows two fuses to form an assembly.
Each fuse further comprises a control switch, the control switch is connected between the power supply and the electromagnetic lock, the control switch is controlled by the controller 7, the controller 7 controls the control switch to be closed, the electromagnet 31 of the electromagnetic lock is powered on, the control switch is opened, the electromagnet 31 of the electromagnetic lock is powered off, and specifically, the control switch is a ship-shaped switch, and the ship-shaped switch can be controlled manually.
In this embodiment, the controller 7 is used to control the electromagnetic lock, so as to control the opening and closing of the fuse protection cover 2, when one of the fuses needs to be replaced due to damage, or when the load rear end equipment corresponding to one of the fuses needs to be maintained, and the output of the line needs to be disconnected, the electromagnet 31 needs to be electrified first, after the electromagnetic force of the electromagnet 31 overcomes the acting force of the spring, the push rod 32 of the electromagnet 31 can shrink to the outside of the fuse, when the push rod 32 can not limit the rotation of the protection cover 2, the protection cover 2 can be unscrewed to pull out the fuse, at this moment, the controller 7 can collect the on-off signal of the fuse, and the disconnection signal of the fuse can not enable the protection cover 2 to be opened again by the other fuses, so that the fuse cannot be pulled out, thereby achieving the interlocking state between the fuses.
The fuse assembly of the present embodiment that implements interlocking also has the following advantages:
1. the controller 7 can be designed to support any output path number such as 4 paths or 8 paths, and the like, and the number of corresponding devices and structural components can be arranged by interlocking the fuses, so that the device is simple and convenient to install, and has the advantages of no expensive devices and materials, low cost, small technical difficulty of realization and stronger applicability.
2. The technical scheme is simple and reliable, safer, the configuration is simple, the used devices and materials are few, the adopted devices are all technically mature, the performance is reliable, the interlocking of the fuses can be effectively realized, and the occurrence of manual misoperation is prevented.
3. An electromagnetic lock is added, so that the opening and closing of the protective cover 2 of the fuse can be controlled, and a travel switch 4 is added, so that the state of the fuse (whether the protective cover 2 is opened or closed) can be monitored.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention.
Claims (7)
1. A fuse assembly for achieving interlocking, characterized by: the fuse comprises a controller and at least two paths of fuses connected with the controller, wherein each path of fuse comprises an electromagnetic lock, a fuse main body and a protective cover capable of rotating relative to the fuse main body, each electromagnetic lock comprises an electromagnet and a lock tongue connected with the electromagnet, when the electromagnet is powered on, the lock tongue is retracted, when the electromagnet is powered off, the lock tongue stretches out, when the lock tongue stretches out, the protective cover of the fuse is limited to be opened, when the lock tongue is retracted, the protective cover of the fuse can be opened, wherein the fuse core of one path of fuse main body is pulled out, and then the controller controls the electromagnetic locks of other fuses to lock the protective covers of the fuse main body;
the fuse assembly for realizing the interlocking further comprises a travel switch, the fuse comprises at least one side wall, the travel switch is positioned on one side wall of the fuse, a contact on the travel switch is in close contact with a closed protective cover, and the travel switch is electrically connected with the controller;
the spring is connected with the electromagnet and the push rod, the electromagnet is electrified, the spring is compressed, and the push rod is contracted outside the fuse;
one of the side walls is provided with a through hole, and the push rod is positioned above the protective cover after being inserted into the through hole after being extended out.
2. A fuse assembly for achieving interlocking as recited in claim 1, wherein: the side walls comprise two, the protection cover is fixed between the two side walls through the rotating shaft, and the protection cover can rotate relative to the two side walls.
3. A fuse assembly for achieving interlocking as recited in claim 1, wherein: when the electromagnet is electrified, the spring is compressed, and the push rod is contracted into the electromagnet.
4. A fuse assembly for achieving interlocking as recited in claim 1, wherein: the controller and the fuse are both arranged on the mounting plate.
5. A fuse assembly for achieving interlocking as recited in claim 4, wherein: the electromagnetic lock is fixed on the mounting plate through the mounting bracket.
6. A fuse assembly for achieving interlocking as recited in claim 1, wherein: each path of fuse further comprises a control switch, the control switch is connected between the power supply and the electromagnetic lock, and the control switch is controlled by the controller.
7. A fuse assembly for achieving interlocking as recited in claim 6, further comprising: the control switch is a ship-shaped switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810065457.9A CN108288554B (en) | 2018-01-23 | 2018-01-23 | Fuse component for realizing interlocking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810065457.9A CN108288554B (en) | 2018-01-23 | 2018-01-23 | Fuse component for realizing interlocking |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108288554A CN108288554A (en) | 2018-07-17 |
| CN108288554B true CN108288554B (en) | 2023-11-24 |
Family
ID=62835886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810065457.9A Active CN108288554B (en) | 2018-01-23 | 2018-01-23 | Fuse component for realizing interlocking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108288554B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116631792B (en) * | 2023-06-16 | 2023-11-10 | 国网安徽省电力有限公司天长市供电公司 | Power transmission switching device of transformer substation |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5686708A (en) * | 1996-06-28 | 1997-11-11 | Appleton Electric Company | Protective fuse shield for disconnect switches |
| KR19990079811A (en) * | 1998-04-09 | 1999-11-05 | 이종수 | Fuse cover switchgear of load breaker |
| CN102881533A (en) * | 2011-07-15 | 2013-01-16 | 库柏技术公司 | Disconnect switch including fusible switching disconnect modules |
| CN102903583A (en) * | 2011-07-27 | 2013-01-30 | 菲尼克斯电气公司 | Fuse terminal |
| CN104252980A (en) * | 2013-06-27 | 2014-12-31 | 西门子公司 | Disconnector fuse set and safety interlocking device thereof |
| CN206673330U (en) * | 2017-03-31 | 2017-11-24 | 江苏华辰变压器股份有限公司 | Extracting apparatus is prevented under a kind of American Unit Substation pull-out fuse electriferous state |
| CN207663967U (en) * | 2018-01-23 | 2018-07-27 | 广东海悟科技有限公司 | It is a kind of to realize interlocking fuse assembly |
-
2018
- 2018-01-23 CN CN201810065457.9A patent/CN108288554B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5686708A (en) * | 1996-06-28 | 1997-11-11 | Appleton Electric Company | Protective fuse shield for disconnect switches |
| KR19990079811A (en) * | 1998-04-09 | 1999-11-05 | 이종수 | Fuse cover switchgear of load breaker |
| CN102881533A (en) * | 2011-07-15 | 2013-01-16 | 库柏技术公司 | Disconnect switch including fusible switching disconnect modules |
| CN102903583A (en) * | 2011-07-27 | 2013-01-30 | 菲尼克斯电气公司 | Fuse terminal |
| CN104252980A (en) * | 2013-06-27 | 2014-12-31 | 西门子公司 | Disconnector fuse set and safety interlocking device thereof |
| CN206673330U (en) * | 2017-03-31 | 2017-11-24 | 江苏华辰变压器股份有限公司 | Extracting apparatus is prevented under a kind of American Unit Substation pull-out fuse electriferous state |
| CN207663967U (en) * | 2018-01-23 | 2018-07-27 | 广东海悟科技有限公司 | It is a kind of to realize interlocking fuse assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108288554A (en) | 2018-07-17 |
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