CN219458915U - Rectifier cabinet - Google Patents
Rectifier cabinet Download PDFInfo
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- CN219458915U CN219458915U CN202320176292.9U CN202320176292U CN219458915U CN 219458915 U CN219458915 U CN 219458915U CN 202320176292 U CN202320176292 U CN 202320176292U CN 219458915 U CN219458915 U CN 219458915U
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- rectifier
- mounting box
- cabinet
- alternating current
- top mounting
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Abstract
The utility model relates to a rectifier cabinet, relates to the technical field of rectifier equipment, and aims to solve the problem that the rectifier cabinet is not suitable for top incoming wires. The rectifier cabinet includes: a cabinet body; the top mounting box is arranged at the top of the cabinet body; and a rectifier installed in the cabinet body; the top mounting box is internally provided with an alternating current copper bar, the lower end of the alternating current copper bar is electrically connected with an alternating current inlet wire end of the rectifier, and the upper end of the alternating current copper bar is electrically connected with a top bus duct fixed on an indoor wall. The top mounting box is used for arranging the alternating current copper bars, so that the alternating current incoming line mode from the top end of the rectifier cabinet is realized.
Description
Technical Field
The utility model relates to the technical field of rectifier equipment, in particular to a rectifier cabinet.
Background
The construction progress of the subway in various places in China is accelerated, and more demands are put forward on the installation mode and protection of the subway rectifier due to different use environments and power supply modes of the various places.
At present, the output voltage DC1500V, DC V of a domestic conventional subway rectifier is of a load grade IV, the incoming line mode is bottom in and out, the rectifier cabinet body is an armored metal cabinet, the outer shell is composed of cold-rolled steel plates, and the novel subway rectifier is multipurpose in indoor installation. The inside electric elements that arranges of cabinet body, secondary room top separates with once, and the cooling method is natural forced air cooling, opens the louvre in cabinet body bottom, side and top, and the rectifier IP grade is IP20, can refer to chinese patent: CN213879656U.
However, the existing rectifier is installed in a bottom mode, cables are fed in and out from the bottom, the space above the ground is mainly occupied when a distribution box and a distribution room in a subway station and an outdoor building are designed and developed, a cable trench is opened below the ground, the cables are embedded in the ground, and meanwhile, the cables are overhauled in the ground. Existing rectifiers are not suitable for top in-out lines due to their own structural limitations.
That is, the prior art rectifier cabinet is not suitable for the top incoming line problem.
Disclosure of Invention
The utility model provides a rectifier cabinet which is used for solving the problem that the rectifier cabinet is not suitable for top incoming and outgoing lines.
The present utility model provides a rectifier cabinet comprising: a cabinet body; the top mounting box is arranged at the top of the cabinet body; and a rectifier installed in the cabinet body; the top mounting box is internally provided with an alternating current copper bar, the lower end of the alternating current copper bar is electrically connected with an alternating current inlet wire end of the rectifier, and the upper end of the alternating current copper bar is electrically connected with a top bus duct fixed on an indoor wall.
In one embodiment, a cable is threaded in the top mounting box along a first direction, the lower end of the cable is electrically connected with the straight outflow wire end of the rectifier, and the upper end of the cable is threaded out of the top mounting box.
In one embodiment, a square hole is formed in the top mounting box, one end of the top bus duct extends into the top mounting box from the square hole, an annular sealing piece is arranged between the top bus duct and the inner wall surface of the square hole, and the annular sealing piece is used for sealing a gap between the top bus duct and the inner wall surface of the square hole.
In one embodiment, the number of the top bus grooves is multiple, a plurality of groups of alternating current copper bars are arranged in the top mounting box, a plurality of square holes are formed in the top mounting box and are in one-to-one correspondence with the groups of alternating current copper bars, and the top bus grooves penetrate through the square holes and are in one-to-one correspondence with the groups of alternating current copper bars.
In one embodiment, the cable is provided with a cable waterproof joint at the upper end, and the cable waterproof joint is used for protecting and fixing the cable.
In one embodiment, the top mounting box is provided with heat dissipation holes for dissipating heat inside the top mounting box.
In one embodiment, a top mounting box includes: a plurality of steel side plates are enclosed to form an annular cavity; the steel top plate is covered on the plurality of steel side plates; wherein, the lower extreme setting of polylith steel curb plate is on the top of the cabinet body, and the louvre setting is on polylith steel curb plate, and the square hole setting is on the steel roof.
In one embodiment, the rectifier cabinet further includes a first electrical component and a second electrical component, the cabinet body including: a primary chamber; the secondary chamber is positioned below the primary chamber and is separated from the primary chamber; the primary chamber is used for placing a first electrical element, and the secondary chamber is used for placing a second electrical element.
In one embodiment, the first electrical component includes an instrument and a rectifier, and the second electrical component includes a PLC, an auxiliary power source, a circuit breaker, and a relay.
In one embodiment, the primary chamber is configured in a double door configuration and/or the secondary chamber is configured in a single door configuration.
Compared with the prior art, the utility model has the advantages that the top mounting box is used for arranging the alternating current copper bars, so that the alternating current incoming line mode from the top end of the rectifier cabinet is realized. Thereby overcome the rectifier cabinet among the prior art can't satisfy the problem of top inlet wire.
Drawings
The utility model will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a rectifier cabinet in an embodiment of the utility model;
FIG. 2 is a schematic view of another angle of the rectifier cabinet of FIG. 1;
FIG. 3 is a schematic view of another angle of the rectifier cabinet of FIG. 1;
FIG. 4 is a schematic view of an incoming line of the rectifier cabinet of FIG. 1;
fig. 5 is an outgoing line schematic diagram of the rectifier cabinet of fig. 1.
Reference numerals:
10. a cabinet body; 11. a primary chamber; 111. a primary chamber door; 12. a secondary chamber; 121. a secondary chamber door; 122. a door lock; 20. a top mounting box; 21. exchanging copper bars; 22. a cable; 23. a steel side plate; 24. a steel top plate; 30. a heat radiation hole; 200. a top bus duct.
Detailed Description
The utility model will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 5, the present utility model provides a rectifier cabinet including a cabinet body 10, a top mounting box 20, and a rectifier. Wherein, the top mounting box 20 is arranged at the top of the cabinet 10, and the rectifier is arranged in the cabinet 10. An ac copper bar 21 is disposed in the top mounting box 20, the lower end of the ac copper bar 21 is electrically connected with an ac inlet terminal of the rectifier, and the upper end of the ac copper bar 21 is electrically connected with a top bus duct 200 fixed on an indoor wall.
In the above arrangement, the top mounting box 20 is provided for arranging the ac copper bars 21, thus realizing the way of ac incoming lines from the top of the rectifier cabinet. Thereby overcome the rectifier cabinet among the prior art can't satisfy the problem of top inlet wire. In addition, since the top bus duct 200 is fixed to the indoor wall, the ac copper bar 21 can be suspended by the top bus duct 200 for load bearing. Thus avoiding the problem of the cabinet 10 bearing on the external lines connected to the ac inlet terminals of the rectifiers. Thus, the weighing capacity of the cabinet body 10 can be reduced, so that the wall thickness of the cabinet body 10 can be designed to be thinner, and the manufacturing cost of the rectifier cabinet is saved.
Specifically, as shown in fig. 1 to 5, in one embodiment, a cable 22 is threaded in a first direction (vertical direction) in the top mounting box 20, a lower end of the cable 22 is electrically connected to a straight outflow end of the rectifier, and an upper end of the cable 22 is threaded out of the top mounting box 20.
Specifically, as shown in fig. 1 to 5, in one embodiment, a square hole is formed in the top mounting box 20, one end of the top bus duct 200 extends into the top mounting box 20 from the square hole, and an annular seal is disposed between the top bus duct 200 and an inner wall surface of the square hole, and is used for sealing a gap between the top bus duct 200 and the inner wall surface of the square hole.
In the above arrangement, the annular sealing member is used to seal the gap between the top bus duct 200 and the inner wall surface of the square hole, thereby ensuring that external rainwater or other impurities pass through the gap to perform the inside of the cabinet 10, resulting in short-circuit damage of electrical components inside the cabinet 10. Thereby ensuring that the rectifier cabinet can work stably and reliably.
Specifically, in one embodiment, the annular seal is a rubber seal.
Specifically, as shown in fig. 1 to 5, in one embodiment, the number of the top bus ducts 200 is plural, a plurality of groups of ac copper bars 21 are disposed in the top mounting box 20, a plurality of square holes are disposed on the top mounting box 20, the plurality of square holes are disposed in one-to-one correspondence with the plurality of groups of ac copper bars 21, and the plurality of top bus ducts 200 are connected in one-to-one correspondence with the plurality of groups of ac copper bars 21 through the plurality of square holes.
In the above arrangement, the same group of ac copper bars 21 is perforated by a square hole, so that a plurality of groups of ac copper bars 21 are arranged at intervals, and a plurality of top bus slots 200 are arranged at intervals. Thereby being capable of effectively preventing vortex generated by the alternating current. Thereby ensuring that the rectifier cabinet can work stably and reliably.
Specifically, as shown in fig. 1 to 5, in one embodiment, the number of the top bus grooves 200 is two, two groups of ac copper bars 21 are disposed in the top mounting box 20, two square holes are formed in the top mounting box 20, the two square holes are disposed in one-to-one correspondence with the two groups of ac copper bars 21, and the two top bus grooves 200 are connected in one-to-one correspondence with the two groups of ac copper bars 21 through the two square holes.
Of course, in alternative embodiments not shown in the drawings of the present application, three or more top bus ducts 200, three or more square holes, and three or more ac copper bars 21 may be provided, respectively.
Specifically, as shown in fig. 1 to 5, in one embodiment, the upper end of the cable 22 is provided with a cable waterproof joint for protecting and fixing the cable 22.
In particular, as shown in fig. 1-5, in one embodiment, the cable watertight connector employs a glan.
In the above arrangement, the glans head is used to protect the cable 22 to ensure that external rainwater or other impurities pass through the gap between the cable 22 and the top mounting box 20 to the inside of the cabinet 10, resulting in short-circuit damage of electrical components inside the cabinet 10. Thereby ensuring that the rectifier cabinet can work stably and reliably.
Specifically, as shown in fig. 1 to 5, in one embodiment, the top mounting box 20 is provided with heat dissipation holes 30, and the heat dissipation holes 30 are used to dissipate heat inside the top mounting box 20.
Specifically, as shown in fig. 1 to 5, in one embodiment, the number of the heat dissipation holes 30 is plural, and the plurality of heat dissipation holes 30 are provided at intervals on the outer peripheral wall of the top mounting case 20.
Specifically, as shown in fig. 1 to 5, in one embodiment, the heat dissipation holes 30 on the top mounting box 20 are elongated holes.
Specifically, as shown in fig. 1-5, in one embodiment, the top mounting box 20 includes a plurality of steel side panels 23 and a steel top panel 24. Wherein a plurality of steel side plates 23 enclose into an annular cavity, and a steel top plate 24 covers the bottom ends of the plurality of steel side plates 23. The lower extreme of polylith steel curb plate 23 sets up on the top of cabinet body 10, and louvre 30 sets up on polylith steel curb plate 23, and the square hole sets up on steel roof 24.
Specifically, as shown in fig. 1-5, in one embodiment, the top mounting box 20 includes four steel side panels 23 and a steel top panel 24. Wherein four steel curb plates 23 enclose to establish into square annular cavity, and steel roof 24 lid is established in the bottom of four steel curb plates 23.
Specifically, in one embodiment, the steel side plates 23 are stainless steel plates and the top mounting box 20 is welded from four stainless steel plates.
Specifically, as shown in fig. 1 to 5, in one embodiment, the rectifier cabinet further includes a first electrical component and a second electrical component, and the cabinet body 10 includes a primary chamber 11 and a secondary chamber 12. The secondary chamber 12 is located below the primary chamber 11, and the secondary chamber 12 is isolated from the primary chamber 11. The primary chamber 11 is used for placing a first electrical component and the secondary chamber 12 is used for placing a second electrical component.
In the above arrangement, the second electrical component is disposed in the secondary chamber 12, so that the second electrical component is more easily overhauled, thereby improving the convenience of overhauling the second electrical component.
Specifically, in one embodiment, the first electrical component includes a meter and a rectifier, and the second electrical component includes a PLC, an auxiliary power source, a circuit breaker, and a relay.
Specifically, as shown in fig. 1 to 5, in one embodiment, the primary chamber 11 is provided in a double door structure, specifically, a primary chamber door 111 is provided.
Specifically, as shown in fig. 1 to 5, in one embodiment, the secondary chamber 12 is provided in a single door structure.
A complete embodiment of the present application is described below in conjunction with fig. 1-5:
on the basis of the prior art, the utility model sets a cable fixing interface on the top by adjusting the mode of leading in and out the cables of the rectifier cabinet, adopts the gram head to protect the cables 22, plays a waterproof effect, adopts stainless steel plates as the top material (the steel top plate 24) for avoiding the vortex of alternating current, adopts copper bars for connection of alternating current inlet wires, and only opens one square hole in the same group of alternating current copper bars.
Specifically, the secondary chamber 12 is adjusted to the lower part of the cabinet body 10, and is provided with a chamber alone, and second electrical elements such as a PLC, an auxiliary power supply, a circuit breaker, a relay and the like are arranged to ensure isolation from the primary high-voltage part incoming line, and meanwhile, an independent switch door (secondary chamber door 121) is arranged to facilitate maintenance.
Specifically, the whole armoured metal cabinet that adopts of cabinet body 10 sets up secondary room 12 in the bottom, is furnished with secondary room door 121, and secondary room 12 inside arranges second electrical components such as PLC, auxiliary power source, circuit breaker, relay, and secondary room door 121 joins in marriage lock 122, separates with the inside of primary room, conveniently overhauls.
Specifically, the secondary chamber door 121, the top mounting box 20 and the side plates of the cabinet body 10 are provided with heat dissipation holes, the open holes are in the form of convex molds, meanwhile, gauze is welded inside, the diameter of the gauze hole is 2.5mm, and the protection grade of the cabinet body 10 can reach IP32.
Specifically, the steel top plate 24 adopts the corrosion resistant plate, the outgoing line of the cable 22 adopts the gram head to seal, the alternating current incoming line adopts the alternating current copper bar 21, and a square hole is formed on the same group of three-phase lines, so that vortex resistance is effectively achieved, and local overheating is avoided.
Specifically, the meter room left door (the left door of the primary room 11) and the meter room right door (the right door of the primary room 11) set the meter arrangement height 1700mm, and can visually observe the meter data.
The rectifier cabinet in this application has following characteristics:
1. the novel rectifier cabinet has the advantages that the novel rectifier cabinet is rearranged on the basis of the existing rectifier cabinet, the cable adopts a top inlet and outlet wire, the top adopts a novel design scheme, vortex generation is avoided, meanwhile, the gram head and the sealing ring are adopted, and the top is guaranteed to be waterproof;
2. the secondary chamber is arranged below, so that the overhaul is easier;
3. due to the annular sealing element and the gram head, the IP grade of the whole cabinet can reach IP32 without arranging a top flashing.
As can be seen from the description of the above embodiments, the ac copper bar can be suspended and supported by the top bus duct because the top bus duct is fixed to the indoor wall. Thereby avoiding the problem of the cabinet body bearing the load on an external circuit connected with the alternating current inlet end of the rectifier. The weighing capacity of the cabinet body can be reduced, so that the wall thickness of the cabinet body can be designed to be thinner, and the manufacturing cost of the rectifier cabinet is saved. The same group of alternating current copper bars are penetrated by adopting a square hole, so that a plurality of groups of alternating current copper bars are arranged at intervals, and a plurality of top bus grooves are arranged at intervals. Thereby being capable of effectively preventing vortex generated by the alternating current. Thereby ensuring that the rectifier cabinet can work stably and reliably. Due to the annular sealing element and the gram head, the IP grade of the whole cabinet can reach IP32 without arranging a top flashing.
The above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the utility model without departing from the principles thereof are intended to be comprehended by those skilled in the art and are intended to be within the scope of the utility model.
While the utility model has been described with reference to a preferred embodiment, 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 (10)
1. A rectifier cabinet, comprising:
a cabinet body; and
the top mounting box is arranged at the top of the cabinet body; and
the rectifier is arranged in the cabinet body;
the top mounting box is internally provided with an alternating current copper bar, the lower end of the alternating current copper bar is electrically connected with an alternating current inlet wire end of the rectifier, and the upper end of the alternating current copper bar is electrically connected with a top bus duct fixed on an indoor wall.
2. The rectifier cabinet of claim 1, wherein a cable is threaded in the top mounting box in a first direction, a lower end of the cable is electrically connected to a straight outflow end of the rectifier, and an upper end of the cable is threaded out of the top mounting box.
3. The rectifier cabinet according to claim 2, wherein the top mounting box is provided with a square hole, one end of the top bus duct extends into the top mounting box from the square hole, and an annular sealing member is arranged between the top bus duct and the inner wall surface of the square hole and is used for sealing a gap between the top bus duct and the inner wall surface of the square hole.
4. The rectifier cabinet of claim 3, wherein the number of the top bus grooves is multiple, a plurality of groups of alternating current copper bars are arranged in the top mounting box, a plurality of square holes are formed in the top mounting box, the square holes are arranged in one-to-one correspondence with the alternating current copper bars, and the top bus grooves penetrate through the square holes and are connected with the alternating current copper bars in one-to-one correspondence.
5. The rectifier cabinet of claim 2, wherein the upper end of the cable is provided with a cable watertight connector for protecting and securing the cable.
6. A rectifier cabinet according to claim 3, wherein the top mounting box is provided with heat dissipation holes for dissipating heat from inside the top mounting box.
7. The rectifier cabinet of claim 6, wherein the top mounting box includes:
a plurality of steel side plates are enclosed to form an annular cavity; and
the steel top plate is covered on the plurality of steel side plates;
the lower ends of the plurality of steel side plates are arranged at the top end of the cabinet body, the radiating holes are formed in the plurality of steel side plates, and the square holes are formed in the steel top plate.
8. The rectifier cabinet of claim 1, further comprising a first electrical component and a second electrical component, the cabinet body comprising:
a primary chamber; and
the secondary chamber is positioned below the primary chamber and is separated from the primary chamber;
the primary chamber is used for placing the first electrical element, and the secondary chamber is used for placing the second electrical element.
9. The rectifier cabinet of claim 8, wherein the first electrical component includes an instrument and a rectifier and the second electrical component includes a PLC, an auxiliary power source, a circuit breaker, and a relay.
10. The rectifier cabinet of claim 8, wherein the primary chamber is provided in a double door configuration and/or the secondary chamber is provided in a single door configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320176292.9U CN219458915U (en) | 2023-02-07 | 2023-02-07 | Rectifier cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320176292.9U CN219458915U (en) | 2023-02-07 | 2023-02-07 | Rectifier cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219458915U true CN219458915U (en) | 2023-08-01 |
Family
ID=87420696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320176292.9U Active CN219458915U (en) | 2023-02-07 | 2023-02-07 | Rectifier cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219458915U (en) |
-
2023
- 2023-02-07 CN CN202320176292.9U patent/CN219458915U/en active Active
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