CN111064173B - Lightning protection device for power distribution network - Google Patents
Lightning protection device for power distribution network Download PDFInfo
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- CN111064173B CN111064173B CN201911220006.9A CN201911220006A CN111064173B CN 111064173 B CN111064173 B CN 111064173B CN 201911220006 A CN201911220006 A CN 201911220006A CN 111064173 B CN111064173 B CN 111064173B
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- connecting plate
- drainage
- mounting
- wire
- distribution network
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/041—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage using a short-circuiting device
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Abstract
The invention relates to the technical field of lightning protection, in particular to a lightning protection device for a power distribution network, which comprises a first connecting plate and a second connecting plate, wherein a mounting bolt is arranged between the first connecting plate and the second connecting plate, the first connecting plate and the second connecting plate are fixedly connected through the mounting bolt, an insulator is fixedly arranged at the top of the first connecting plate, a first wire holder is fixedly arranged at the top end of the insulator, a lead is fixedly arranged in the first wire holder and penetrates through the first wire holder, a current-limiting element is fixedly arranged at the top of the second connecting plate, a drainage mechanism is arranged at the top end of the current-limiting element, and the drainage mechanism comprises a mounting plate, a hinge base, a drainage rod, a second drainage ball, an insulating spring, an iron block, an electromagnet and a piezoresistor. The method can accurately judge the lightning stroke position and has strong practicability.
Description
Technical Field
The invention relates to the technical field of lightning protection, in particular to a lightning protection device for a power distribution network.
Background
The distribution network line is in a region with much thunder and strong thunder, and the probability of lightning striking the line is higher. The traditional zinc oxide lightning arrester utilizes the good nonlinear volt-ampere characteristic of zinc oxide, so that the current flowing through the lightning arrester is extremely small when the lightning arrester normally works, and when the lightning arrester is in overvoltage, the resistance is sharply reduced, the energy of the overvoltage is discharged, and the protection effect is achieved; when the power distribution network is struck by lightning, only the lightning stroke of the line is known, the position of the struck lightning cannot be accurately known, and once the circuit is damaged, the circuit cannot be quickly maintained.
Disclosure of Invention
The invention aims to solve the problem that the position of lightning stroke cannot be accurately known in the prior art, and provides a lightning protection device for a power distribution network.
In order to achieve the purpose, the invention adopts the following technical scheme:
designing a lightning protection device for a power distribution network, which comprises a first connecting plate and a second connecting plate, wherein a mounting bolt is arranged between the first connecting plate and the second connecting plate, the first connecting plate and the second connecting plate are fixedly connected through the mounting bolt, an insulator is fixedly arranged at the top of the first connecting plate, a first wire holder is fixedly arranged at the top end of the insulator, the inner part of the first wire holder is fixedly connected with a wire, the wire penetrates through the first wire holder, a current-limiting element is fixedly arranged at the top of the second connecting plate, a drainage mechanism is arranged at the top end of the current-limiting element, and the drainage mechanism comprises a mounting plate, a hinge base, a drainage rod, a second drainage ball, an insulating spring, an iron block, an electromagnet and a pressure sensor; the one end fixed mounting of mounting panel is at current-limiting element's top, the other end and the articulated seat fixed connection of mounting panel, articulated seat is located the top of mounting panel, the top of articulated seat is rotated with the drainage pole through the round pin axle and is connected, the top and the second drainage ball fixed connection of drainage pole, insulating spring's top fixed mounting is at the middle part of drainage pole, insulating spring's bottom and iron plate fixed connection, electro-magnet fixed mounting is at the top of mounting panel, the iron plate is corresponding with the position of electro-magnet, the bottom and the pressure sensor fixed connection of electro-magnet, still be fixed with on the wire with second drainage ball complex drainage ware.
Preferably, the first connecting plate and the second connecting plate are both provided with mounting grooves matched with the mounting bolts.
Preferably, the flow diverter includes the second wire holder, fixed mounting has the second wire holder corresponding with first wire holder on the wire, the wire runs through the second wire holder.
Preferably, the bottom of the second wire holder is fixedly provided with a first drainage ball corresponding to the second drainage ball.
The lightning protection device for the power distribution network has the beneficial effects that: when the power distribution network is struck by lightning, current can be generated around the electromagnet, so that the electromagnet is magnetic, an iron block is adsorbed and acts on the insulating spring, the second drainage ball can be in contact with the first drainage ball of the drainage device to lead out the current, and meanwhile, the iron block can act on the pressure sensor to enable the pressure value of the iron block and the electromagnet to change suddenly; the pressure sensor is in signal connection with the remote detection equipment, and mainly transmits a pressure signal between the iron block and the electromagnet to the detection equipment, so that the position of pressure mutation can be judged, namely the lightning stroke position.
Drawings
Fig. 1 is a schematic structural diagram of a lightning protection device for a power distribution network according to the present invention;
fig. 2 is a schematic structural diagram of a lightning protection device for a power distribution network according to the present invention;
fig. 3 is a schematic structural diagram of a drainage mechanism of a lightning protection device for a power distribution network according to the present invention.
In the figure: the connecting device comprises a first connecting plate 1, a second connecting plate 2, a mounting bolt 3, a mounting groove 4, an insulator 5, a first wire holder 6, a wire 7, a current limiting element 8, a drainage mechanism 9, a second wire holder 10, a first drainage ball 11, a mounting plate 91, a hinge base 92, a drainage rod 94, a second drainage ball 95, an insulating spring 96, an iron block 97, an electromagnet 98 and a pressure sensor 99.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-3, a lightning protection device for a power distribution network comprises a first connecting plate 1 and a second connecting plate 2, wherein a mounting bolt 3 is mounted between the first connecting plate 1 and the second connecting plate 2, and mounting grooves 4 matched with the mounting bolt 3 are formed in the first connecting plate 1 and the second connecting plate 2; the mounting groove 4 is a strip-shaped groove, so that the mounting positions of the first connecting plate 1 and the second connecting plate 2 can be adjusted.
The first connecting plate 1 and the second connecting plate 2 are fixedly connected through a mounting bolt 3, an insulator 5 is fixedly mounted at the top of the first connecting plate 1, a first wire holder 6 is fixedly mounted at the top end of the insulator 5, a wire 7 is fixedly mounted inside the first wire holder 6, the wire 7 penetrates through the first wire holder 6, a current limiting element 8 is fixedly mounted at the top of the second connecting plate 2, a drainage mechanism 9 is mounted at the top end of the current limiting element 8, and the drainage mechanism 9 comprises a mounting plate 91, a hinge base 92, a drainage rod 94, a second drainage ball 95, an insulating spring 96, an iron block 97, an electromagnet 98 and a pressure sensor 99; one end of the mounting plate 91 is fixedly arranged on the top of the current limiting element 8, the other end of the mounting plate 91 is fixedly connected with the hinged seat 92, the hinged seat 92 is positioned on the top of the mounting plate 91, the top end of the hinged seat 92 is rotatably connected with the drainage rod 94 through a pin shaft, the top end of the drainage rod 94 is fixedly connected with the second drainage ball 95, the insulating spring 96 is fixedly arranged in the middle of the drainage rod 94, the bottom end of the insulating spring 96 is fixedly connected with the iron block 97, the electromagnet 98 is fixedly arranged on the top of the mounting plate 91, the iron block 97 corresponds to the electromagnet 98 in position, the bottom end of the electromagnet 98 is fixedly connected with the pressure sensor 99, the pressure sensor 99 is in signal connection with remote detection equipment, and mainly pressure signals between the iron block 97 and the electromagnet 98 are transmitted to the detection equipment, therefore, the position of pressure mutation, namely the lightning stroke position, can be judged, and a drainage device matched with the second drainage ball is further fixed on the lead.
The drainage device comprises a second wire holder 10 and a first drainage ball 11, the second wire holder 10 corresponding to the first wire holder 6 is fixedly mounted on the wire 7, the wire 7 penetrates through the second wire holder 10, and the first drainage ball 11 corresponding to the second drainage ball 95 is fixedly mounted at the bottom of the second wire holder 10. When the distribution network receives the thunderbolt, can produce electric current around the electro-magnet 98 to make electro-magnet 98 have magnetism, and then adsorb iron plate 97 and act on insulating spring 96, can make second drainage ball 95 and first drainage ball 11 contact derive the electric current like this, simultaneously, iron plate 97 can act on pressure sensor 99, makes iron plate 97 and electro-magnet 98 pressure value sudden change.
When the power distribution network is struck by lightning, current can be generated around the electromagnet, so that the electromagnet is magnetic, an iron block is adsorbed and acts on the insulating spring, the second drainage ball can be in contact with the first drainage ball of the drainage device to lead out the current, and meanwhile, the iron block can act on the pressure sensor to enable the pressure value of the iron block and the electromagnet to change suddenly; the pressure sensor is in signal connection with the remote detection equipment, and mainly transmits a pressure signal between the iron block and the electromagnet to the detection equipment, so that the position of pressure mutation can be judged, namely the lightning stroke position.
The above description is only an embodiment of the present invention, but the technical features of the present invention are not limited thereto, and any changes or modifications within the technical field of the present invention by those skilled in the art are covered by the claims of the present invention.
Claims (4)
1. The utility model provides a distribution network lightning protection device, includes first connecting plate (1) and second connecting plate (2), install between first connecting plate (1) and second connecting plate (2) construction bolt (3), first connecting plate (1) and second connecting plate (2) are through construction bolt (3) fixed connection, a serial communication port, the top fixed mounting of first connecting plate (1) has insulator (5), the top fixed mounting of insulator (5) has first connection terminal (6), first connection terminal (6) and wire (7) fixed connection, wire (7) run through first connection terminal (6), the top fixed mounting of second connecting plate (2) has current limiting element (8), drainage mechanism (9) are installed on the top of current limiting element (8), drainage mechanism (9) include mounting panel (91) The device comprises a hinged seat (92), a drainage rod (94), a second drainage ball (95), an insulating spring (96), an iron block (97), an electromagnet (98) and a pressure sensor (99); one end of the mounting plate (91) is fixedly arranged on the top of the current limiting element (8), the other end of the mounting plate (91) is fixedly connected with a hinged seat (92), the hinged seat (92) is positioned at the top of the mounting plate (91), the top end of the hinged seat (92) is rotationally connected with the drainage rod (94) through a pin shaft, the top end of the drainage rod (94) is fixedly connected with a second drainage ball (95), the top end of the insulation spring (96) is fixedly arranged in the middle of the drainage rod (94), the bottom end of the insulating spring (96) is fixedly connected with an iron block (97), the electromagnet (98) is fixedly arranged at the top of the mounting plate (91), the position of the iron block (97) corresponds to that of the electromagnet (98), the bottom end of the electromagnet (98) is fixedly connected with the pressure sensor (99), and a drainage device matched with the second drainage ball is further fixed on the lead.
2. The lightning protection device for the power distribution network according to claim 1, wherein the first connecting plate (1) and the second connecting plate (2) are provided with mounting grooves (4) matched with the mounting bolts (3).
3. The lightning protection device for the distribution network according to claim 1, wherein the flow diverter comprises a second wire holder, a second wire holder (10) corresponding to the first wire holder (6) is fixedly mounted on the wire (7), and the wire (7) passes through the second wire holder (10).
4. The lightning protection device for the distribution network according to claim 3, wherein the first drainage balls (11) corresponding to the second drainage balls (95) are fixedly installed at the bottom of the second wire holder (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911220006.9A CN111064173B (en) | 2019-12-03 | 2019-12-03 | Lightning protection device for power distribution network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911220006.9A CN111064173B (en) | 2019-12-03 | 2019-12-03 | Lightning protection device for power distribution network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111064173A CN111064173A (en) | 2020-04-24 |
| CN111064173B true CN111064173B (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911220006.9A Active CN111064173B (en) | 2019-12-03 | 2019-12-03 | Lightning protection device for power distribution network |
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| CN (1) | CN111064173B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6646850B1 (en) * | 1999-06-11 | 2003-11-11 | Siemens Aktiengesellschaft | High-voltage power breaker having an outlet flow channel |
| CN201549888U (en) * | 2009-11-16 | 2010-08-11 | 沈阳易讯科技股份有限公司 | Temperature double-protection DC supply lightning protector |
| CN206210505U (en) * | 2016-11-23 | 2017-05-31 | 上海翔登机电有限公司 | Arrester assembling device |
| CN206639661U (en) * | 2017-04-28 | 2017-11-14 | 国网湖北省电力公司荆门供电公司 | A kind of pulling force triggers prompting-type arrester |
| CN108023275A (en) * | 2017-12-28 | 2018-05-11 | 浙江多格电气有限公司 | A kind of outdoor arrester of adjustable clearance |
| CN208508522U (en) * | 2018-08-08 | 2019-02-15 | 安徽一原电气有限公司 | A kind of high-capacity intelligent type over-voltage protector |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100868758B1 (en) * | 2007-01-15 | 2008-11-13 | 삼성전기주식회사 | Rotational MEMS device having piezo-resistor sensor |
| US10135233B2 (en) * | 2012-11-14 | 2018-11-20 | Lightning Protection Systems, LLC | Low-profile, after-aligned, universal point mount |
-
2019
- 2019-12-03 CN CN201911220006.9A patent/CN111064173B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6646850B1 (en) * | 1999-06-11 | 2003-11-11 | Siemens Aktiengesellschaft | High-voltage power breaker having an outlet flow channel |
| CN201549888U (en) * | 2009-11-16 | 2010-08-11 | 沈阳易讯科技股份有限公司 | Temperature double-protection DC supply lightning protector |
| CN206210505U (en) * | 2016-11-23 | 2017-05-31 | 上海翔登机电有限公司 | Arrester assembling device |
| CN206639661U (en) * | 2017-04-28 | 2017-11-14 | 国网湖北省电力公司荆门供电公司 | A kind of pulling force triggers prompting-type arrester |
| CN108023275A (en) * | 2017-12-28 | 2018-05-11 | 浙江多格电气有限公司 | A kind of outdoor arrester of adjustable clearance |
| CN208508522U (en) * | 2018-08-08 | 2019-02-15 | 安徽一原电气有限公司 | A kind of high-capacity intelligent type over-voltage protector |
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| CN111064173A (en) | 2020-04-24 |
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