CN210536100U - Outdoor transformer lightning protection box - Google Patents
Outdoor transformer lightning protection box Download PDFInfo
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- CN210536100U CN210536100U CN201921400046.7U CN201921400046U CN210536100U CN 210536100 U CN210536100 U CN 210536100U CN 201921400046 U CN201921400046 U CN 201921400046U CN 210536100 U CN210536100 U CN 210536100U
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Abstract
The utility model discloses an outdoor transformer lightning protection box, all different to each producer production, there is not unified form, lead to the transportation, the installation, wiring and maintain all inconvenient problems, adopt to keep apart the middle upper portion that the suppression module was fixed inside the box and was located the box, the neutral line ground connection is arranged and is arranged the both sides of vertical parallel arrangement at the isolation suppression module with the lightning protection, be provided with the guide rail below the isolation suppression module, can dismantle fixed thunder and lightning counter, lightning protection SPD module and zero line binding post that is provided with on the guide rail. The bottom of the box body is provided with a wire outlet hole so as to facilitate the leading of wires. The interior structure of the box body is compact, devices which are not frequently disassembled and assembled for wiring, such as the isolation suppression module, are arranged above the box body, and the distance between the guide rail and the bottom of the box body is not less than 15cm so as to facilitate wiring. In addition, the lightning protection ground bar and the neutral line ground bar are arranged on two sides in the box body in parallel, so that the structure is more compact, the volume of the box body can be greatly compressed, and the box body is convenient to transport and install.
Description
Technical Field
The utility model relates to a transformer lightning protection technical field, in particular to outdoor transformer lightning protection case.
Background
With the continuous healthy and high-speed development of Chinese economy, the demand of electric power is continuously and rapidly increased. 1-8 months, and the total electricity consumption of the whole society in China is 38920 hundred million kilowatt hours, which is increased by 4.2 percent on a same scale. The leap month factor of 2 months is eliminated, and the daily average growth rate is 3.8%. According to the industry, the electricity consumption of the first industry is increased by 5.1% in 740 hundred million kilowatt hours, the electricity consumption of the second industry is increased by 2.0% in 27537 hundred million kilowatt hours, the electricity consumption of the third industry is increased by 11.0% in 5277 million kilowatt hours, and the electricity consumption of urban and rural residents in 5366 million kilowatt hours is increased by 9.7%.
A transformer is a device that changes an alternating voltage using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil, and an iron core (magnetic core). At present, most transformers are directly exposed outdoors, lightning strikes are easily caused particularly in thunderstorm weather, and once the transformers are damaged by the lightning strikes, the power failure of the whole residential area or industrial factory building and military industry can be caused, so that enterprise loss is caused, or life inconvenience is caused to residents, and national safety is affected. At present, the lightning protection devices for outdoor transformers are not multiple, the production of various manufacturers is different, and the devices are not in a uniform form, so that the transportation, the installation, the wiring and the maintenance are inconvenient.
Although the Chinese invention patent: CN102904213B, a lightning protection structure of transformer counterattack reposition of redundant personnel discloses lightning protection structure, does not specifically disclose the inner structure of lightning protection box, and even technical staff makes according to this open scheme, also can make the lightning protection box of a large number of different forms, still leads to finally still leading to because box structure, mounted position, wiring mode are different above-mentioned inconvenient problem of transportation, installation, maintenance.
Disclosure of Invention
In order to solve the above problem, the utility model discloses a following technical scheme realizes:
an outdoor transformer lightning protection box comprises a box body, an isolation suppression module, an insulation support column, a lightning protection ground bar, a lightning counter, a lightning protection SPD module, a zero line connecting terminal and a neutral line grounding bar, wherein the isolation suppression module is fixed in the box body and is positioned above the middle of the box body;
the neutral line grounding bar is made of metal conductive materials, is fixed in the box body and is positioned on one side of the isolation suppression module;
the lightning protection ground row is made of metal conductive materials, is fixed in the box body and is positioned on the other side of the isolation suppression module;
a guide rail is fixedly arranged in the box body and is positioned below the isolation inhibition module;
the lightning counter, the lightning protection SPD module and the zero line wiring terminal are detachably and fixedly arranged on the guide rail;
the lightning protection SPD module is positioned in the middle of the guide rail, the lightning counter is positioned on one side of the lightning protection SPD module, and the zero line connecting terminal is positioned on the other side of the lightning protection SPD module;
the input end of the isolation suppression module is fixedly connected with the neutral line grounding bar through a connecting copper bar;
the output end of the isolation suppression module is fixedly connected with the lightning protection ground bar through a connecting copper bar;
the neutral wire grounding bar is fixedly connected with one end of a neutral wire cable, and the neutral wire cable is led out of the box body from the bottom of the box body;
the input end of the lightning protection SPD module is connected with one end of an input cable, and the input cable is led out of the box body from the bottom of the box body;
the zero line end of the lightning protection SPD module is fixedly connected with one end of the zero line connecting terminal through a lead, the other end of the zero line connecting terminal is fixedly connected with one end of a zero line cable, and the zero line cable is led out of the box body from the bottom of the box body;
the protection grounding end of the lightning protection SPD module is fixedly connected with the lightning protection ground bar through a wire;
an induction transformer of the lightning counter is sleeved on a lead connected with a protection grounding end of the lightning protection SPD module and a lightning protection ground bar and is used for detecting a lightning signal;
the lightning protection ground bar is fixedly connected with one end of the protection grounding cable, and the protection grounding is led out of the box body from the bottom of the box body.
Preferably, the isolation suppression module is fixedly connected with the box body by hanging, buckling or bolts.
Preferably, the lightning protection ground bar and the neutral line ground bar are made of copper materials and made into long strips, and the lightning protection ground bar and the neutral line ground bar are fixed in the box body through the independent insulating support columns and are parallel to the height direction of the box body.
Preferably, the isolation suppression module is a lightning current high-frequency suppressor.
Preferably, the lightning protection SPD module is an SPD surge protector.
Preferably, the input cables include L1 cable, L2 cable, L3 cable.
Preferably, the distance between the guide rail and the bottom of the box body is not less than 15 cm.
The utility model discloses beneficial effect includes: the interior structure of the box body is compact, devices which are not frequently disassembled and assembled for wiring, such as the isolation suppression module, are arranged above the box body, and the distance between the guide rail and the bottom of the box body is not less than 15cm so as to facilitate wiring. In addition, the lightning protection ground bar and the neutral line ground bar are arranged on two sides in the box body in parallel, so that the structure is more compact, the volume of the box body can be greatly compressed, and the box body is convenient to transport and install.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention;
fig. 2 is the field wiring schematic diagram of the utility model.
In the drawings, each reference numeral denotes: the lightning protection device comprises a box body 1, an isolation suppression module 2, an insulation support column 3, a lightning protection ground bar 4, a lightning counter 6, a lightning protection SPD module 7, a neutral cable 8, a zero line wiring terminal 9, a neutral line ground bar 10 and a connecting copper bar 11.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be described in detail and completely with reference to fig. 1 and 2 of the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application. Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.
As shown in fig. 1, the outdoor transformer lightning protection box comprises a box body 1, an isolation suppression module 2, an insulation support column 3, a lightning protection ground row 4, a lightning counter 6, a lightning protection SPD module 7, a zero line terminal 9 and a neutral line grounding row 10.
The box body 1 is a traditional iron-clad box, and the back surface of the box body is provided with a fixing structure, such as a hanging lug or a bolt hole, so as to be convenient for installation and fixation.
Keep apart and restrain module 2 and fix in box 1 inside and be located the well top of box 1, keep apart the top of restraining module 2 and the top of box 1 and be close as far as possible so that make full use of space. The isolation suppression module 2 adopts a commercial general lightning current high-frequency suppressor which can be fixedly connected with the box body 1 by hanging, buckling or bolts.
The neutral grounding bar 10 is made of a metal conductive material, preferably copper, and is made into a long strip structure, and the neutral grounding bar 10 is fixed inside the box body and is positioned on one side of the isolation suppression module 2. The length direction thereof should be parallel to the height direction of the case 1.
Similarly, the lightning protection ground row 4 is also made of copper material and is fixed inside the box 1 and located on the other side of the isolation and suppression module 2.
The lightning protection ground row 4 and the neutral line ground row 10 are respectively fixed in the box body through independent insulation support columns 3 and are parallel to the height direction of the box body.
The guide rail is fixedly arranged in the box body 1 and located below the isolation suppression module 2, and the distance between the guide rail and the bottom of the box body 1 is not less than 15cm, so that wiring can be conveniently installed.
The guide rail is detachably and fixedly provided with a thunder and lightning counter 6, a thunder and lightning protection SPD module 7 and a zero line wiring terminal 9. The lightning protection SPD module 7 adopts a mature SPD surge protector on the market. The lightning protection SPD module 7 is positioned in the middle of the guide rail, the lightning counter 6 is positioned on one side of the lightning protection SPD module 7, and the zero line wiring terminal 9 is positioned on the other side of the lightning protection SPD module 7.
The fixed mounting structure of each module and element is described as follows:
the input end of the isolation suppression module 2 is fixedly connected with the neutral line grounding bar 10 through a connecting copper bar, and the output end of the isolation suppression module 2 is fixedly connected with the lightning protection grounding bar 4 through a connecting copper bar. As shown in fig. 1, since the neutral ground bar 10 and the lightning protection ground bar 4 are located on both sides of the isolation and suppression module 2, the structure is compact, and the material for connection can be saved.
And the protective grounding end of the lightning protection SPD module 7 is fixedly connected with the lightning protection ground row 4 through a wire. An induction transformer of the lightning counter 6 is sleeved on a lead connected with the lightning protection ground bar 4 and a protection grounding end of the lightning protection SPD module 7 and is used for detecting lightning signals.
And the zero line end of the lightning protection SPD module 7 is fixedly connected with one end of a zero line wiring terminal 9 through a wire.
When the installation is carried out on site, please refer to fig. 1 and 2:
firstly, the box body is fixed on a wall surface or a tower, then the neutral line grounding bar 10 is fixedly connected with one end of the neutral line cable 8, and the neutral line cable 8 is led out of the box body 1 from the bottom of the box body 1 and is fixedly connected with the central line end of the transformer. Three input ends of the lightning protection SPD module 7 are respectively connected with one ends of 3 input cables such as an L1 cable, an L2 cable, an L3 cable and the like, and the input cables are led out of the box body 1 from the bottom of the box body 1 and are respectively connected with a secondary side phase line of the transformer.
The other end of the zero line connecting terminal 9 is fixedly connected with one end of a zero line cable, and the zero line cable is led out of the box body 1 from the bottom of the box body 1 and is connected with a zero line on the secondary side of the transformer. The lightning protection ground bar 4 is fixedly connected with one end of a protection grounding cable, and the protection grounding is led out of the box body 1 from the bottom of the box body 1 and is connected with a combined grounding network.
The utility model discloses a box inner structure is compact, will not be the device of dismouting wiring often, for example keep apart and restrain module 2 and install top in the box, the bottom distance of guide rail and box 1 is not less than 15cm so that the wiring. In addition, the lightning protection ground bar 4 and the neutral line ground bar 10 are arranged on two sides inside the box body 1 in parallel, so that the structure is more compact, the volume of the box body can be greatly compressed, and the box body is convenient to transport and install.
Claims (7)
1. The utility model provides an outdoor transformer lightning protection box, includes box (1), keeps apart suppression module (2), insulating support post (3), arranges (4), thunder and lightning counter (6), lightning protection SPD module (7), zero line binding post (9), neutral line ground connection row (10), its characterized in that:
the isolation suppression module (2) is fixed in the box body (1) and is positioned above the middle upper part of the box body (1);
the neutral line grounding bar (10) is made of metal conductive materials, is fixed in the box body and is positioned on one side of the isolation suppression module (2);
the lightning protection ground bar (4) is made of a metal conductive material, is fixed in the box body (1) and is positioned on the other side of the isolation suppression module (2);
a guide rail is fixedly arranged in the box body (1) and is positioned below the isolation inhibition module (2);
the lightning counter (6), the lightning protection SPD module (7) and the zero line wiring terminal (9) are detachably and fixedly arranged on the guide rail;
the lightning protection SPD module (7) is positioned in the middle of the guide rail, the lightning counter (6) is positioned on one side of the lightning protection SPD module (7), and the zero line connecting terminal (9) is positioned on the other side of the lightning protection SPD module (7);
the input end of the isolation suppression module (2) is fixedly connected with the neutral line grounding bar (10) through a connecting copper bar;
the output end of the isolation suppression module (2) is fixedly connected with the lightning protection ground bar (4) through a connecting copper bar;
the neutral line grounding bar (10) is fixedly connected with one end of a neutral line cable, and the neutral line cable is led out of the box body (1) from the bottom of the box body (1);
the input end of the lightning protection SPD module (7) is connected with one end of an input cable, and the input cable is led out of the box body (1) from the bottom of the box body (1);
the zero line end of the lightning protection SPD module (7) is fixedly connected with one end of the zero line connecting terminal (9) through a lead, the other end of the zero line connecting terminal (9) is fixedly connected with one end of a zero line cable, and the zero line cable is led out of the box body (1) from the bottom of the box body (1);
the protective grounding end of the lightning protection SPD module (7) is fixedly connected with the lightning protection ground bar (4) through a wire;
an induction transformer of the lightning counter (6) is sleeved on a lead connected with a protection grounding end of the lightning protection SPD module (7) and the lightning protection ground bar (4) and is used for detecting lightning signals;
the lightning protection ground bar (4) is fixedly connected with one end of the protective grounding cable, and the protective grounding is led out of the box body (1) from the bottom of the box body (1).
2. The outdoor transformer lightning protection box of claim 1, characterized in that:
the isolation suppression module (2) is fixedly connected with the box body (1) by hanging connection, buckles or bolts.
3. The outdoor transformer lightning protection box of claim 1, characterized in that:
the lightning protection ground bar (4) and the neutral line grounding bar (10) are made of copper materials and are made into long strips, and the lightning protection ground bar and the neutral line grounding bar are fixed in the box body through the independent insulating support columns (3) respectively and are parallel to the height direction of the box body.
4. The outdoor transformer lightning protection box of claim 1, characterized in that:
the isolation suppression module (2) is a lightning current high-frequency suppressor.
5. The outdoor transformer lightning protection box of claim 1, characterized in that:
the lightning protection SPD module (7) is an SPD surge protector.
6. The outdoor transformer lightning protection box of claim 1, characterized in that:
the input cables include an L1 cable, an L2 cable, and an L3 cable.
7. The outdoor transformer lightning protection box of claim 1, characterized in that:
the distance between the guide rail and the bottom of the box body (1) is not less than 15 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921400046.7U CN210536100U (en) | 2019-08-27 | 2019-08-27 | Outdoor transformer lightning protection box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921400046.7U CN210536100U (en) | 2019-08-27 | 2019-08-27 | Outdoor transformer lightning protection box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210536100U true CN210536100U (en) | 2020-05-15 |
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ID=70603574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921400046.7U Active CN210536100U (en) | 2019-08-27 | 2019-08-27 | Outdoor transformer lightning protection box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210536100U (en) |
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2019
- 2019-08-27 CN CN201921400046.7U patent/CN210536100U/en active Active
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