CN114325230A - Grounding resistance monitoring device for lightning protection detection and use method thereof - Google Patents
Grounding resistance monitoring device for lightning protection detection and use method thereof Download PDFInfo
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- CN114325230A CN114325230A CN202111617697.3A CN202111617697A CN114325230A CN 114325230 A CN114325230 A CN 114325230A CN 202111617697 A CN202111617697 A CN 202111617697A CN 114325230 A CN114325230 A CN 114325230A
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 24
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- 238000012544 monitoring process Methods 0.000 claims description 7
- 239000002689 soil Substances 0.000 claims description 5
- 230000001939 inductive effect Effects 0.000 claims description 3
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Abstract
The invention relates to the technical field of lightning protection detection equipment, and particularly discloses a grounding resistance monitoring device for lightning protection detection and a using method thereof. The wire can be received and installed by the aid of the structure, so that the wire is more convenient to receive and install and use, and the wire cannot be wound mutually.
Description
Technical Field
The invention relates to the technical field of lightning protection detection equipment, in particular to a grounding resistance monitoring device for lightning protection detection and a using method thereof.
Background
The ground wire of the existing lightning protection equipment is buried in the soil nearby, the ground resistance needs to be measured and can be used after the requirement is met, and meanwhile, the ground resistance needs to be retested at intervals, so that the ground resistance is in the range of the qualified standard.
However, the wires of the monitoring device are too long, which easily causes the wires to be intertwined, and leads to the collection and use of the wires being too cumbersome.
Disclosure of Invention
The invention aims to provide a grounding resistance monitoring device for lightning protection detection, and aims to solve the technical problems that the conducting wire is too long, the conducting wire is easy to be intertwined, and the collecting conducting wire and the using conducting wire are too complicated in the prior art.
In order to achieve the above object, the ground resistance monitoring device for lightning protection detection adopted by the invention comprises a monitor body and three wire-rewinding mechanisms, wherein the three wire-rewinding mechanisms are respectively fixedly connected with the monitor body and respectively located on the periphery of the monitor body, each wire-rewinding mechanism comprises a rotating shaft, a rotating drum, a limiting column, a first spring, a pressing plate, a second spring, a baffle plate and a clamping column, the rotating shaft is fixedly connected with the monitor body and located on one side of the monitor body, the rotating drum is rotatably connected with the rotating shaft and sleeved on the outer wall of the rotating shaft, the number of the limiting columns is two, the two limiting columns are respectively connected with the rotating drum in a sliding manner and located on the outer wall of the rotating drum, the pressing plate is fixedly connected with the two limiting columns and located above the two limiting columns, the number of the first springs is two, each first spring is respectively sleeved on the outer surface wall of the corresponding limiting column and is respectively positioned between the rotary drum and the pressing plate, the clamping column penetrates through the rotary drum, the baffle is fixedly connected with the clamping column and is sleeved on the outer surface wall of the clamping column, and the second spring is sleeved on the outer surface wall of the clamping column and is positioned between the baffle and the rotary drum.
The monitor body is used for monitoring ground resistance, the wire is wound and contained through the wire winding mechanism, one end of the wire is inserted below the pressing plate, the pressing plate is pressed downwards, the limiting column is pressed downwards into the rotary drum, the two first springs are pressed and held, the pressing plate is pressed downwards, the clamping column is extruded towards one side, when the pressing plate is positioned below the clamping column, the clamping column pushes the baffle to move through the elastic force of the second spring, the clamping column is pushed to move, the clamping column moves to the upper part of the pressing plate, the pressing plate is clamped, after one end of the wire is fixed, the rotary drum is rotated, the wire is wound on the outer wall of the rotary drum, when the wire needs to be taken out, the clamping column is pulled outwards, and the pressing plate can be ejected through the elastic force of the first springs, the rotary drum is supported by the rotary shaft, and the wires can be collected and contained by the arrangement of the structure, so that the wires are more convenient to collect, contain and use, and the wires cannot be wound mutually.
Each take-up mechanism further comprises a limiting plate, the limiting plate is fixedly connected with the clamping column and sleeved on the outer wall of the clamping column, and the limiting plate is located at one end, far away from the baffle, of the clamping column.
Through the setting of limiting plate, can prevent the card post breaks away from the rotary drum when popping out.
Each take-up mechanism further comprises a pull ring, wherein the pull ring is fixedly connected with the clamping column and is positioned at one end, far away from the baffle, of the clamping column.
Through the setting of pull ring, can be so that pulling convenient and fast more when the card post.
Each take-up mechanism further comprises two clamping plates, and each clamping plate is fixedly connected with the corresponding limiting column and is located at one end, far away from the pressing plate, of the corresponding limiting column.
Through the setting of cardboard, can effectually prevent the clamp plate when popping out, make spacing post break away from the rotary drum.
Each take-up mechanism further comprises a rubber plate, and the rubber plate is fixedly connected with the pressing plate and is positioned below the pressing plate.
Through the setting of rubber slab can play the antiskid effect when holding the wire to the pressure for the wire is difficult to not hard up in the rolling, can protect the wire simultaneously, prevents to press to hold excessively, leads to the wire to take place to warp.
Each wire-rewinding mechanism further comprises a rotating block, and the rotating block is fixedly connected with the rotary drum and is positioned on one side, far away from the rotating shaft, of the rotary drum.
Through the setting of commentaries on classics piece, can make when rotating the rotary drum convenient and fast more.
The invention also provides a using method of the grounding resistance monitoring device for lightning protection detection, which comprises the following steps:
connecting and fixing the ground nail and the lead;
then, the ground nails are respectively and completely inserted into the wetter soil and are close to the ground net;
simultaneously connecting a third conducting wire with the ground screen;
and finally, monitoring the ground resistance by starting the monitor body, comparing monitoring data, wherein the direct lightning resistance is less than 10 ohms, and the inductive lightning resistance is less than 4 ohms, namely the lightning protection device is normal.
The ground resistance monitoring device for lightning protection detection and the use method thereof of the invention monitor ground resistance through the monitor body, receive and package wires through the take-up mechanism, insert one end of the wire below the pressing plate, further press the pressing plate downwards, press the limit post downwards to the inside of the rotary drum, and press and hold two first springs, so that the pressing plate presses downwards to extrude the clamping post to one side, when the pressing plate is positioned below the clamping post, the clamping post pushes the baffle to move through the elasticity of the second spring, and pushes the clamping post to move, the clamping post moves to the upper part of the pressing plate to clamp the pressing plate, and after one end of the wire is fixed, the rotary drum is rotated to wind the wire on the outer wall of the rotary drum, when the wires need to be taken out, the clamping column is pulled outwards, the pressing plate can pop up the pressing plate through the elastic force of the first spring and is located above the clamping column, the rotary drum is supported by the rotary shaft, and the wires can be collected and stored through the arrangement of the structure, so that the wires can be more conveniently collected and stored and used, and the wires cannot be wound mutually.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a ground resistance monitoring device for lightning protection detection according to the present invention.
Fig. 2 is a top view of a ground resistance monitoring device for lightning protection detection according to the present invention.
Fig. 3 is a cross-sectional view of the a-a line structure of fig. 2 of the present invention.
Fig. 4 is a cross-sectional view of the B-B line structure of fig. 2 of the present invention.
Fig. 5 is a cross-sectional view of the C-C line structure of fig. 2 of the present invention.
Fig. 6 is an enlarged view of a portion of the structure of fig. 3 according to the present invention.
Fig. 7 is a flowchart illustrating steps of a method for using the grounding resistance monitoring device for lightning protection detection according to the present invention.
1-monitor body, 2-take-up mechanism, 3-rotating shaft, 4-rotating drum, 5-limiting column, 6-first spring, 7-pressing plate, 8-second spring, 9-baffle, 10-clamping column, 11-limiting plate, 12-pull ring, 13-clamping plate, 14-rubber plate, 15-rotating block, 16-connecting column, 17-retaining ring, 18-holding rod, 19-sponge layer, 20-first wire, 21-second wire, 22-ground nail, 23-box body and 24-box cover.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. 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 "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 6, the invention provides a ground resistance monitoring device for lightning protection detection, including a monitor body 1 and three wire rewinding mechanisms 2, where the three wire rewinding mechanisms 2 are respectively fixedly connected to the monitor body 1 and respectively located on the periphery of the monitor body 1, each wire rewinding mechanism 2 includes a rotating shaft 3, a rotating drum 4, a limiting post 5, a first spring 6, a pressing plate 7, a second spring 8, a baffle 9 and a clamping post 10, the rotating shaft 3 is fixedly connected to the monitor body 1 and located on one side of the monitor body 1, the rotating drum 4 is rotatably connected to the rotating shaft 3 and sleeved on the outer surface wall of the rotating shaft 3, the number of the limiting posts 5 is two, the two limiting posts 5 are respectively connected to the rotating drum 4 in a sliding manner and located on the outer surface wall of the rotating drum 4, the pressing plate 7 is fixedly connected with the two limiting columns 5 and is located above the two limiting columns 5, the number of the first springs 6 is two, each first spring 6 is respectively sleeved on the outer surface wall of the corresponding limiting column 5 and is respectively located between the rotary drum 4 and the pressing plate 7, the clamping column 10 penetrates through the rotary drum 4, the baffle plate 9 is fixedly connected with the clamping column 10 and is sleeved on the outer surface wall of the clamping column 10, and the second spring 8 is sleeved on the outer surface wall of the clamping column 10 and is located between the baffle plate 9 and the rotary drum 4.
In the present embodiment, the ground resistance is monitored by the monitor body 1, the wire is wound by the wire winding mechanism 2, one end of the wire is inserted below the pressing plate 7, the pressing plate 7 is pressed downward, the limit post 5 is pressed down to the inside of the drum 4, and the two first springs 6 are pressed, so that the pressing plate 7 is pressed downward to press the clip post 10 to one side, when the pressing plate 7 is located below the clip post 10, the clip post 10 pushes the baffle 9 to move by the elastic force of the second spring 8, and pushes the clip post 10 to move, the clip post 10 moves above the pressing plate 7 to clip the pressing plate 7, and after one end of the wire is fixed, the drum 4 is rotated to wind the wire on the wall of the drum 4, when the wires need to be taken out, the clamping column 10 is pulled outwards, the pressing plate 7 can be ejected out through the elastic force of the first spring 6 and is located above the clamping column 10, the rotating shaft 3 supports the rotating drum 4, and due to the arrangement of the structure, the wires can be collected and stored, so that the wires can be more conveniently collected and stored and used, and the wires cannot be wound mutually.
Further, each take-up mechanism 2 still includes limiting plate 11, limiting plate 11 with card post 10 fixed connection to the cover is located the exterior wall of card post 10, just limiting plate 11 is located card post 10 is kept away from the one end of baffle 9.
In the present embodiment, the stopper plate 11 is provided to prevent the jamming column 10 from being disengaged from the drum 4 when ejected.
Further, each take-up mechanism 2 further comprises a pull ring 12, and the pull ring 12 is fixedly connected with the clamping column 10 and is located at one end of the clamping column 10 far away from the baffle 9.
In the present embodiment, the arrangement of the pull ring 12 can make the pulling of the latch 10 more convenient and faster.
Furthermore, each take-up mechanism 2 further comprises two clamping plates 13, the number of the clamping plates 13 is two, and each clamping plate 13 is fixedly connected with the corresponding limiting column 5 and is respectively located at one end, far away from the pressing plate 7, of the corresponding limiting column 5.
In this embodiment, the clamping plate 13 is arranged to effectively prevent the limiting column 5 from being separated from the drum 4 when the pressing plate 7 is ejected.
Further, each take-up mechanism 2 further comprises a rubber plate 14, and the rubber plate 14 is fixedly connected with the pressing plate 7 and is located below the pressing plate 7.
In this embodiment, through the setting of rubber slab 14, can play the antiskid to pressing when holding the wire for the wire is difficult not hard up in the rolling, can protect the wire simultaneously, prevents to press and hold excessively, leads to the wire to take place to warp.
Further, each take-up mechanism 2 further comprises a rotating block 15, and the rotating block 15 is fixedly connected with the rotating drum 4 and is located on one side of the rotating drum 4 far away from the rotating shaft 3.
In the present embodiment, the rotation of the drum 4 can be made more convenient and faster by the arrangement of the rotation block 15.
Further, ground resistance monitoring devices for lightning protection detection still includes spliced pole 16, retaining ring 17, holds pole 18 and sponge layer 19, the connecting rod with monitor body 1 threaded connection, and be located one side of monitor body 1, retaining ring 17 with spliced pole 16 fixed connection, and be located the one end of spliced pole 16, the both ends of holding pole 18 respectively with retaining ring 17 fixed connection, and be located the inside of retaining ring 17, sponge layer 19 with hold pole 18 fixed connection, and the cover is located the exterior wall of holding pole 18.
In this embodiment, through the spliced pole 16 with monitor body 1 is connected, is convenient for dismantle when not using, grips holding rod 18 can be convenient for right monitor body 1 operates, the setting of retaining ring 17 can be protected the hand, makes simultaneously to grip holding rod 18 is more stable when being time, the setting on sponge layer 19 can let the user palm more comfortable when gripping.
Further, the ground resistance monitoring device for lightning protection detection further includes a first wire 20, a second wire 21 and ground nails 22, the first wire 20 is electrically connected to the monitor body 1, the number of the second wires 21 is two, the second wires 21 are respectively electrically connected to the monitor body 1, the number of the ground nails 22 is two, and each ground nail 22 is respectively in threaded connection with the corresponding second wire 21 and is located at one end of the corresponding second wire 21.
In this embodiment, the first wire 20 is used to connect and fix the ground net, and the second wire 21 is screwed with the ground nail 22, so that the ground nail 22 can be conveniently detached, and the ground nail 22 can be conveniently stored.
Further, the grounding resistance monitoring device for lightning protection detection further comprises a box body 23 and a box cover 24, wherein the box body 23 is fixedly connected with the monitor body 1 and is positioned on one side of the monitor body 1, and the box body 23 is covered by the box cover 24.
In this embodiment, the box 23 is convenient for storing the ground nail 22, and the box cover 24 covers the box 23 to prevent the ground nail 22 from falling out.
Referring to fig. 7, the present invention further provides a method for using the above ground resistance monitoring device for lightning protection detection, including the following steps:
s1: connecting and fixing the ground nail 22 with a lead;
s2: then, the ground nails 22 are respectively and completely inserted into the wetter soil and are close to the ground net;
s3: simultaneously connecting a third conducting wire with the ground screen;
s4: and finally, monitoring earth ground by starting the monitor body 1, comparing monitoring data, wherein the direct lightning resistance is less than 10 ohms, and the inductive lightning resistance is less than 4 ohms, namely the lightning protection device is normal.
The first lead 20 connected with the E port is connected with a ground grid, the second leads 21 connected with the P end and the C end are respectively connected with the corresponding ground nails 22, the two ground nails 22 are respectively inserted into relatively humid soil and are positioned near the ground grid to be detected, the monitor body 1 is started to monitor the ground resistance, the monitored data are compared, the direct lightning resistance is less than 10 ohms, and the induced lightning resistance is less than 4 ohms, namely, the lightning protection device is normal.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A grounding resistance monitoring device for lightning protection detection is characterized in that,
the wire rewinding device comprises a monitor body and three wire rewinding mechanisms, wherein the three wire rewinding mechanisms are respectively fixedly connected with the monitor body and are respectively positioned on the periphery of the monitor body, each wire rewinding mechanism comprises a rotating shaft, a rotating drum, two limiting columns, a first spring, a pressing plate, a second spring, a baffle and a clamping column, the rotating shaft is fixedly connected with the monitor body and is positioned on one side of the monitor body, the rotating drum is rotatably connected with the rotating shaft and is sleeved on the outer wall of the rotating shaft, the two limiting columns are respectively in sliding connection with the rotating drum and are positioned on the outer wall of the rotating drum, the pressing plate is fixedly connected with the two limiting columns and is positioned above the two limiting columns, the number of the first springs is two, and each first spring is respectively sleeved on the outer wall of the corresponding limiting column, the second spring is sleeved on the outer wall of the clamping column and positioned between the baffle and the rotary drum.
2. The grounding resistance monitoring device for lightning protection detection according to claim 1,
each take-up mechanism further comprises a limiting plate, the limiting plate is fixedly connected with the clamping column and sleeved on the outer wall of the clamping column, and the limiting plate is located at one end, far away from the baffle, of the clamping column.
3. The grounding resistance monitoring device for lightning protection detection according to claim 2,
each take-up mechanism further comprises a pull ring, wherein the pull ring is fixedly connected with the clamping column and is positioned at one end, far away from the baffle, of the clamping column.
4. The grounding resistance monitoring device for lightning protection detection according to claim 3,
each take-up mechanism further comprises two clamping plates, and each clamping plate is fixedly connected with the corresponding limiting column and is located at one end, far away from the pressing plate, of the corresponding limiting column.
5. The grounding resistance monitoring device for lightning protection detection according to claim 4,
each take-up mechanism further comprises a rubber plate, wherein the rubber plate is fixedly connected with the pressing plate and is positioned below the pressing plate.
6. The grounding resistance monitoring device for lightning protection detection according to claim 5,
each take-up mechanism further comprises a rotating block, and the rotating block is fixedly connected with the rotating drum and is positioned on one side, far away from the rotating shaft, of the rotating drum.
7. The use method of the grounding resistance monitoring device for lightning protection detection according to claim 6 is characterized by comprising the following steps:
connecting and fixing the ground nail and the lead;
then, the ground nails are respectively and completely inserted into the wetter soil and are close to the ground net;
simultaneously connecting a third conducting wire with the ground screen;
and finally, monitoring the ground resistance by starting the monitor body, comparing monitoring data, wherein the direct lightning resistance is less than 10 ohms, and the inductive lightning resistance is less than 4 ohms, namely the lightning protection device is normal.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115290591A (en) * | 2022-06-13 | 2022-11-04 | 湖北西塞山发电有限公司 | Instrument and method for measuring concentration of carbon dioxide in flue gas |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2090172A (en) * | 1980-11-28 | 1982-07-07 | Toko Inc | Device for disposing of end portions of lead wires in automatic winding machines |
CN204789765U (en) * | 2015-07-14 | 2015-11-18 | 中山市新立防雷器材有限公司 | A wiring structure for ground resistance of lightning grounding earth mat monitors |
CN107792719A (en) * | 2017-11-22 | 2018-03-13 | 江门市新会区古井源丰资产管理有限公司 | A kind of adjusting means of drawing machine |
CN110127457A (en) * | 2019-05-13 | 2019-08-16 | 周旭东 | A kind of bobbin winder device and its application method winding cable |
CN210176200U (en) * | 2019-05-31 | 2020-03-24 | 江苏格莱特纺织印染有限公司 | Reel cord grip is used in cotton yarn production |
CN210480433U (en) * | 2019-06-04 | 2020-05-08 | 锦州北方精工焊材有限公司 | Cable winding mechanism |
CN212712243U (en) * | 2020-07-03 | 2021-03-16 | 江苏金陵安全技术有限公司 | Lightning protection detects automatic take-up |
CN212863542U (en) * | 2020-08-11 | 2021-04-02 | 北京多研硅谷科技发展有限公司 | Novel anticreep reason line ware |
CN213894789U (en) * | 2020-06-12 | 2021-08-06 | 浙江中弘检测技术有限公司 | Lightning protection detects automatic take-up |
CN214455935U (en) * | 2021-03-19 | 2021-10-22 | *** | Special cable recovery unit of ocean engineering |
CN215066960U (en) * | 2021-03-22 | 2021-12-07 | 襄阳三方缘建设工程质量检测有限公司 | Detection apparatus for building lightning protection engineering |
-
2021
- 2021-12-27 CN CN202111617697.3A patent/CN114325230A/en active Pending
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2090172A (en) * | 1980-11-28 | 1982-07-07 | Toko Inc | Device for disposing of end portions of lead wires in automatic winding machines |
CN204789765U (en) * | 2015-07-14 | 2015-11-18 | 中山市新立防雷器材有限公司 | A wiring structure for ground resistance of lightning grounding earth mat monitors |
CN107792719A (en) * | 2017-11-22 | 2018-03-13 | 江门市新会区古井源丰资产管理有限公司 | A kind of adjusting means of drawing machine |
CN110127457A (en) * | 2019-05-13 | 2019-08-16 | 周旭东 | A kind of bobbin winder device and its application method winding cable |
CN210176200U (en) * | 2019-05-31 | 2020-03-24 | 江苏格莱特纺织印染有限公司 | Reel cord grip is used in cotton yarn production |
CN210480433U (en) * | 2019-06-04 | 2020-05-08 | 锦州北方精工焊材有限公司 | Cable winding mechanism |
CN213894789U (en) * | 2020-06-12 | 2021-08-06 | 浙江中弘检测技术有限公司 | Lightning protection detects automatic take-up |
CN212712243U (en) * | 2020-07-03 | 2021-03-16 | 江苏金陵安全技术有限公司 | Lightning protection detects automatic take-up |
CN212863542U (en) * | 2020-08-11 | 2021-04-02 | 北京多研硅谷科技发展有限公司 | Novel anticreep reason line ware |
CN214455935U (en) * | 2021-03-19 | 2021-10-22 | *** | Special cable recovery unit of ocean engineering |
CN215066960U (en) * | 2021-03-22 | 2021-12-07 | 襄阳三方缘建设工程质量检测有限公司 | Detection apparatus for building lightning protection engineering |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115290591A (en) * | 2022-06-13 | 2022-11-04 | 湖北西塞山发电有限公司 | Instrument and method for measuring concentration of carbon dioxide in flue gas |
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