CN221177523U - Fireproof partition structure of converter and converter - Google Patents
Fireproof partition structure of converter and converter Download PDFInfo
- Publication number
- CN221177523U CN221177523U CN202322751852.1U CN202322751852U CN221177523U CN 221177523 U CN221177523 U CN 221177523U CN 202322751852 U CN202322751852 U CN 202322751852U CN 221177523 U CN221177523 U CN 221177523U
- Authority
- CN
- China
- Prior art keywords
- fire
- converter
- wall penetrating
- resistant
- penetrating member
- 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.)
- Active
Links
- 238000005192 partition Methods 0.000 title claims abstract description 66
- 230000000149 penetrating effect Effects 0.000 claims description 58
- 230000009970 fire resistant effect Effects 0.000 claims description 28
- 239000002184 metal Substances 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 239000010445 mica Substances 0.000 claims description 16
- 229910052618 mica group Inorganic materials 0.000 claims description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 6
- 239000004593 Epoxy Substances 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 14
- 238000009421 internal insulation Methods 0.000 abstract description 3
- 238000002955 isolation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Installation Of Indoor Wiring (AREA)
Abstract
The utility model relates to a fireproof partition structure of a converter, which comprises a fireproof partition piece, wherein the fireproof partition piece is arranged in a direct current side area of the converter and is parallel to the bottom surface of the converter so as to partition the direct current side area into an upper part and a lower part. The fireproof partition structure of the converter greatly improves the internal insulation fireproof performance of the converter, particularly the construction wiring area of the converter for inputting external current such as a direct current side and the like, and can furthest control risks after the internal fireproof partition structure is arranged in the area, even if unexpected situations such as ash feeding, fire and the like occur in the construction area, the fireproof partition structure can timely seal and control fire, prevent the fire from spreading to the whole cabinet body, and reduce loss to the minimum. Meanwhile, the fireproof partition structure has the advantages of not affecting the appearance of the converter, being flexible to assemble, high in cost performance and the like.
Description
Technical Field
The utility model relates to the technical field of photovoltaic inverters and energy storage converters, in particular to a fireproof partition structure of a converter and the converter comprising the same.
Background
As an electrical device for converting electric power into electric power of different forms suitable for a power grid or a user, a converter has been widely used in various industries, such as a wind power converter, a photovoltaic inverter, an energy storage converter, etc. in a new energy industry, which are key core devices for realizing mutual conversion of alternating current and direct current.
The internal structure of the current transformer can be generally divided into a direct current side and an alternating current side, and a plurality of defects still exist in the current structure, such as the wiring construction area of the direct current side or the alternating current side in the current transformer is not completely isolated from other components in the current transformer; the direct current input from the exterior of the converter is lapped and fastened with the copper bar in the converter through the cable wiring terminal, if the construction is not fastened in place or the inferior terminal is used, short-time heat concentration, electric arc discharge and even fire can be caused, and the safety of other components and parts and the normal operation of the converter are seriously threatened.
Disclosure of utility model
In order to solve the technical problems, the utility model provides a fireproof partition structure of a converter and the converter comprising the fireproof partition structure, so that the internal insulation fireproof performance of the converter is greatly improved, and particularly, the construction wiring area of the external current input converter such as a direct current side is greatly improved.
According to a first aspect of the utility model, a fireproof partition structure of a converter is provided, and the fireproof partition structure comprises a fireproof partition piece, wherein the fireproof partition piece is arranged in a direct current side area of the converter and parallel to the bottom surface of the converter so as to partition the direct current side area into an upper part and a lower part.
In one embodiment, the fireproof partition piece is provided with a plurality of through holes for the wall penetrating piece to pass through, and studs are symmetrically arranged around each through hole.
In one embodiment, the fireproof partition structure further comprises a front cover plate fixedly connected with the fireproof partition piece, and the front cover plate is fixed on the surface, close to the converter cabinet door, of the fireproof partition structure.
In one embodiment, the fireproof partition member is an L-shaped sheet metal part, the first surface of the L-shaped sheet metal part is parallel to the bottom surface of the converter, and the second surface of the L-shaped sheet metal part is perpendicular to the first surface and is close to the converter and is far away from one surface of the cabinet door of the converter.
In one embodiment, a first fireproof insulating plate matched with the second surface is arranged on the surface, facing the converter cabinet door, of the second surface of the L-shaped sheet metal part.
In one embodiment, the fireproof isolation structure further comprises a second fireproof insulating plate arranged below the fireproof isolation piece, the second fireproof insulating plate is parallel to the first surface of the fireproof isolation piece, and threading holes corresponding to the through holes in the fireproof isolation piece are formed in the second fireproof insulating plate.
In one embodiment, the threading holes on the second fireproof insulating plate are plugged by the fireproof mud after the cables pass through.
In one embodiment, the first fire resistant insulating panel is a mica board.
In one embodiment, the second fire-resistant insulating panel is an epoxy panel.
In one embodiment, the wall penetrating member comprises a wall penetrating member main body, one end of the wall penetrating member main body is provided with a wall penetrating member welding nut, the other end of the wall penetrating member main body is formed into a copper bar, the copper bar is provided with a wall penetrating member press-riveting nut, the outer part of the wall penetrating member main body is provided with a wall penetrating member insulating layer, the wall penetrating member insulating layer is externally provided with a wall penetrating member fixing part surrounding the wall penetrating member main body, and the wall penetrating member fixing part is provided with a fastening hole for the stud to pass through.
A second aspect of the utility model provides a current transformer comprising a fire-blocking structure as described in any one or more of the preceding claims.
Compared with the prior art, the fireproof partition structure of the converter greatly improves the internal insulation fireproof performance of the converter, particularly the construction wiring area of the converter for inputting external current such as a direct current side and the like, and after the internal fireproof partition structure is arranged in the area, risks can be controlled to the greatest extent, even if unexpected situations such as ash feeding, fire and the like occur in the construction area, the fireproof partition structure can timely seal and control fire, prevent the fire from spreading to the whole cabinet body, and reduce losses to the minimum. Meanwhile, the fireproof partition structure is arranged inside the converter, the appearance of the converter is not affected, and the fireproof partition structure has the advantages of being simple in structure, flexible to assemble, high in cost performance and the like.
The above technical features can be combined in various technically feasible ways to create new embodiments as long as the object of the utility model is achieved.
Drawings
The utility model will be described in more detail hereinafter on the basis of an embodiment which is only non-limiting and with reference to the accompanying drawings. Wherein:
fig. 1 shows a schematic diagram of the overall structure of a current transformer according to the utility model;
fig. 2 shows a schematic structural view of a fire-proof partition structure of the current transformer shown in fig. 1;
FIG. 3 shows a schematic structural view of a fire-blocking member of the fire-blocking structure of FIG. 2;
Fig. 4 shows a schematic view of the construction of the wall penetrating member of the fire-blocking structure of fig. 2.
In the drawings, like components are denoted by like reference numerals. The figures are not drawn to scale.
Wherein, the reference numerals are as follows:
1. A fire-resistant partition; 2. a wall penetrating member; 3. mica plate; 4. a connection terminal; 5. an epoxy board; 6. a fire-retardant mud blocking position; 7. mica board fasteners; 8. a terminal fastener; 9. a cable; 10. a front cover plate; 11. a stud; 12. riveting a nut; 13. welding a nut; 14. a wall penetrating piece press riveting nut; 15. an insulating layer of the wall penetrating member; 16. wall penetrating piece fastening hole sites; 17. and a copper bar.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the specific examples. It should be noted that, as long as no conflict is formed, each embodiment of the present utility model and each feature of each embodiment may be combined with each other, and the formed technical solutions are all within the protection scope of the present utility model.
The parts not described in the utility model can be realized by adopting or referring to the prior art.
As shown in fig. 1 and 2, a first aspect of the present utility model provides a fire-blocking structure of a current transformer, the fire-blocking structure including a fire-blocking member 1, the fire-blocking member 1 being disposed in a dc side region of the current transformer and disposed parallel to a bottom surface of the current transformer to block the dc side region into upper and lower portions.
The construction wiring area inside the converter is input to external current such as converter direct current side, and this regional construction is usually responsible for by the third party, and the risk is difficult to manage and control, and this regional back that sets up inside fire prevention wall structure can furthest control the risk, even if unexpected circumstances such as construction area takes place into ash, fire prevention wall structure also can in time seal the conflagration accuse, prevents that it from spreading to whole cabinet body, reduces the loss to minimum.
In an alternative embodiment, as shown in fig. 2, the fire-barrier member 1 is provided with a plurality of through holes through which the wall penetrating members pass, and studs 11 are symmetrically provided around each through hole. The number of through holes is consistent with the number of wall penetrating members.
Preferably, 4 studs 11 are symmetrically arranged around each through hole. The wall penetrating member 2 is fixed on the stud 11 to partition the upper and lower portions of the dc side region. The specific manner in which the wall penetrating member 2 is secured will be described in detail below with respect to the construction of the wall penetrating member 2.
In a specific embodiment, the fireproof partition structure further comprises a front cover plate 10 which is fixedly connected with the fireproof partition member 1, and the front cover plate 10 is fixed on the surface of the fireproof partition structure 1, which is close to the cabinet door of the converter.
With continued reference to fig. 2, the front cover plate 10 is disposed on the surface of the fireproof partition structure 1 close to the converter cabinet door, that is, in front of the fireproof partition member 1, and the front cover plate 10 protrudes upwards from the plane on which the fireproof partition member 1 is disposed. Specifically, the front cover plate 10 may be fastened to the fire-blocking member by a clinch nut 12, thereby further blocking the direct current side region from the physical space into upper and lower portions.
In a specific embodiment, the fireproof partition 1 is an L-shaped sheet metal part, a first surface of the L-shaped sheet metal part is parallel to the bottom surface of the converter, and a second surface of the L-shaped sheet metal part is perpendicular to the first surface and is close to the converter and far away from the cabinet door of the converter.
In other alternative embodiments, the fire-blocking element 1 is not limited to an "L-shaped" sheet metal element, but may be any sheet metal element that acts as a blocking element for the cavity of the converter, wherein no fixing is required.
As shown in fig. 3, in a specific embodiment, the side of the second face of the L-shaped sheet metal part facing the converter cabinet door is provided with a first fireproof insulating plate matched with the second face, that is, the first fireproof insulating plate is arranged on the inner side of the fireproof partition member 1, so as to further strengthen the insulation fireproof performance. The first fire resistant insulating panel is preferably a mica board 3, the mica board 3 being mounted on the second face of the L-shaped sheet metal part by mica board fasteners 7.
The mica plate is formed by bonding mica paper with organic silica gel water, heating and pressing, wherein the mica content is about 90%, the organic silica gel water content is about 10%, and the mica plate has excellent high-temperature-resistant insulating property and electrical insulating property and high cost performance. Such as HP-8 hard mica plate, can resist the temperature of 850 ℃ under the continuous use condition and 1050 ℃ under the intermittent use condition. In the fireproof partition structure of the converter, the grade of the mica plate can be reasonably selected according to the actual conditions such as the voltage grade of the direct current side, or other materials with excellent insulating and fireproof performances can be replaced by the mica plate according to the actual application scene, and the mica plate is not limited to mica materials.
With continued reference to fig. 3, as shown in fig. 3, the fireproof partition structure further includes a second fireproof insulating board disposed below the fireproof partition member 1, the second fireproof insulating board is disposed parallel to the first surface of the fireproof partition member 1, and threading holes corresponding to the through holes on the fireproof partition member 1 are disposed on the second fireproof insulating board. The cable 9 passes through the second fireproof insulating plate through the threading hole to enter external direct current, and enters the lower half part of the direct current side area of the converter through the 9 cable and the 5 epoxy plate.
The external direct current is overlapped with the copper bar 17 on the wall penetrating member 2 through the wiring terminal 4, and as shown in fig. 2, the wiring terminal fastener 8 is matched with the wall penetrating member welding nut 13, so that the wiring construction of an external cable is completed. In order to ensure the sealing performance of the direct current side of the converter, a constructor can use fireproof mud to seal the threading hole after the cable 9 passes through the second fireproof insulating plate.
Preferably, the second fireproof insulating plate is an epoxy resin plate, has the characteristics of high dielectric property, surface leakage resistance, arc resistance, high chemical stability and the like, and is arranged at the position where the external cable at the direct current side enters the converter in the converter structure, so that the integral insulating property of the direct current side can be improved compared with a common sheet metal part.
As shown in fig. 4, a schematic structural diagram of the wall penetrating member 2 in the embodiment is provided, as shown in fig. 2, the main body of the wall penetrating member 2 is cylindrical, two ends of the cylindrical form extend out of the connecting parts respectively, the connecting part at the upper end is provided with a wall penetrating member welding nut 13, the connecting part at the lower end is formed into a copper bar 17, the copper bar 17 is provided with a wall penetrating member press-riveting nut 14, wherein external direct current is overlapped with the copper bar 17 on the wall penetrating member 2 through the wiring terminal 4, and the wiring terminal fastener 8 is matched with the wall penetrating member welding nut 13, so that the wiring construction of an external cable is completed.
Wherein, the wall penetrating member insulating layer 15 is arranged outside the main body of the wall penetrating member 2, and the wall penetrating member insulating layer 15 is preferably made of a material with good high temperature resistant insulating performance.
A wall penetrating member fixing part surrounding the main body of the wall penetrating member 2 is arranged outside the wall penetrating member insulating layer 15, a wall penetrating member fastening hole site 16 for the stud 11 to pass through is arranged on the wall penetrating member fixing part, and the wall penetrating member 2 is fixed on the fireproof partition member 1 by passing the stud 11 on the fireproof partition member 1 through the wall penetrating member fastening hole site 16.
In other alternative embodiments, the shape of the wall penetrating member is not limited to the cylinder, and the rectangular parallelepiped, the prismatic insulating layer of the wall penetrating member can be used as the wall penetrating member, which can be specifically selected according to the actual situation.
A second aspect of the utility model provides a current transformer comprising a fire-blocking structure as described in any one or more of the preceding claims. Therefore, the beneficial effects of the fireproof partition structure can be achieved by the converter.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. In the description of the present utility model, the azimuth or positional relationship indicated by the terms "vertical", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and the relative positional relationship may be changed accordingly when the absolute position of the object to be described is changed, and thus the limitation of the present utility model cannot be construed.
By now it will be appreciated by those skilled in the art that while the utility model has been described with reference to preferred embodiments, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present utility model is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.
Claims (11)
1. The fireproof partition structure of the converter is characterized by comprising a fireproof partition piece, wherein the fireproof partition piece is arranged in a direct-current side area of the converter and parallel to the bottom surface of the converter, so that the direct-current side area is partitioned into an upper part and a lower part.
2. The fire-resistant partition structure according to claim 1, wherein the fire-resistant partition member is provided with a plurality of through holes for the wall penetrating members to pass through, and studs are symmetrically provided around each of the through holes to fix the wall penetrating members.
3. The fire resistant partition structure of claim 1 further comprising a front cover plate in secure connection with the fire resistant partition, the front cover plate being secured to a face of the fire resistant partition structure adjacent the converter cabinet door.
4. A fire-resistant partition structure according to any one of claims 1-3, wherein the fire-resistant partition is an L-shaped sheet metal part, a first surface of the L-shaped sheet metal part is parallel to the bottom surface of the converter, and a second surface of the L-shaped sheet metal part is perpendicular to the first surface and is arranged close to the converter and far away from the cabinet door of the converter.
5. The fire-resistant partition structure according to claim 4, wherein a first fire-resistant insulating plate matched with the second surface is arranged on the surface, facing the converter cabinet door, of the second surface of the L-shaped sheet metal part.
6. The fire-resistant partition structure of claim 5, further comprising a second fire-resistant insulating plate disposed below the fire-resistant partition, the second fire-resistant insulating plate being disposed parallel to the first face of the fire-resistant partition, the second fire-resistant insulating plate being provided with a threading hole corresponding to the through hole in the fire-resistant partition.
7. The fire-resistant partition structure of claim 6, wherein the threading holes in the second fire-resistant insulating plate are plugged with fire-resistant mud after the cable is threaded.
8. The fire resistant partition structure of claim 5 wherein the first fire resistant insulating panel is a mica board.
9. The fire resistant partition structure of claim 6 wherein the second fire resistant insulating panel is an epoxy panel.
10. The fire-resistant partition structure according to claim 2, wherein the wall penetrating member comprises a wall penetrating member main body, one end of the wall penetrating member main body is provided with a wall penetrating member welding nut, the other end of the wall penetrating member main body is formed into a copper bar, the copper bar is provided with a wall penetrating member press-riveting nut, wherein the outside of the wall penetrating member main body is provided with a wall penetrating member insulating layer, the wall penetrating member insulating layer is externally provided with a wall penetrating member fixing part surrounding the wall penetrating member main body, and the wall penetrating member fixing part is provided with a fastening hole for the stud to pass through.
11. A current transformer comprising a fire blocking structure according to any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322751852.1U CN221177523U (en) | 2023-10-12 | 2023-10-12 | Fireproof partition structure of converter and converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322751852.1U CN221177523U (en) | 2023-10-12 | 2023-10-12 | Fireproof partition structure of converter and converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221177523U true CN221177523U (en) | 2024-06-18 |
Family
ID=91437514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322751852.1U Active CN221177523U (en) | 2023-10-12 | 2023-10-12 | Fireproof partition structure of converter and converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221177523U (en) |
-
2023
- 2023-10-12 CN CN202322751852.1U patent/CN221177523U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN221177523U (en) | Fireproof partition structure of converter and converter | |
| CN206759001U (en) | Radiate bus duct and bus duct system | |
| CN207426460U (en) | Wall-hanging power supply box | |
| JP5889256B2 (en) | switchboard | |
| CN204376000U (en) | A kind of terminal cap of controller and controller | |
| WO2016155408A1 (en) | Multipurpose lead connecting device | |
| CN205487760U (en) | Shunt capacitance ware | |
| CN203288967U (en) | Environment-friendly box-type transformer station | |
| CN203445433U (en) | American ring main unit with insulation protective cover | |
| CN201549808U (en) | 66kV fully-enclosed, all-insulated and fully-preassembled combined substation | |
| CN211183296U (en) | Waterproof and fireproof bus duct | |
| CN207459466U (en) | A kind of cubicle switch | |
| CN204793784U (en) | Box -type transformer substation | |
| CN216528356U (en) | High security power transformer core subassembly | |
| CN207234224U (en) | A kind of Miniature low-voltage comprehensive distribution box | |
| CN209767093U (en) | Novel fireproof bus duct | |
| CN216851205U (en) | Novel electrical junction box | |
| CN219592805U (en) | Network cabinet | |
| CN206041229U (en) | High tension switchgear with heat dissipation function | |
| CN204885966U (en) | Automatic protection box -type substation | |
| CN116163636A (en) | Self-locking fireproof door of transformer substation | |
| CN204242728U (en) | A kind of fire-proof insulation shell of isolating transformer | |
| CN213959677U (en) | Aluminum alloy bus duct capable of being connected side by side | |
| CN220985141U (en) | Power distribution cabinet assembling structure | |
| CN217157755U (en) | Monomer flexible bus and bus group |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |