CN209929708U - Medium-voltage metering cabinet - Google Patents
Medium-voltage metering cabinet Download PDFInfo
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- CN209929708U CN209929708U CN201920781240.8U CN201920781240U CN209929708U CN 209929708 U CN209929708 U CN 209929708U CN 201920781240 U CN201920781240 U CN 201920781240U CN 209929708 U CN209929708 U CN 209929708U
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Abstract
The utility model discloses a medium-voltage metering cabinet, which comprises a metering cabinet shell and is characterized in that the metering cabinet shell adopts a sheet metal component and comprises a metering cabinet left side plate, a metering cabinet right side plate, a metering cabinet top plate, a metering cabinet bottom plate, a metering cabinet rear plate, a metering cabinet door plate, a vertical rail, a transverse rail, a long pressing strip and a short pressing strip; the metering cabinet top plate is provided with a bus hole for mounting a bus wall bushing, the lower part of the bus wall bushing is provided with a copper bar bus, and the upper surface of the metering cabinet top plate is provided with a bus cover for covering the bus wall bushing; and a low-pressure box is further arranged above the metering cabinet shell, and an observation window is arranged on the low-pressure box. The advantages are that: all accord with the standardized design, make the apparatus simplified, has shortened the production cycle; the strength of the cabinet is ensured, and the cabinet also plays a role of a mounting threaded hole of a door plate of the metering cabinet; the mutual inductors of various models of manufacturers are flexibly installed, and the power supply safety is ensured.
Description
Technical Field
The utility model relates to a middling pressure measurement cabinet belongs to 20KV middling pressure power supply system technical field.
Background
The 20KV medium-voltage all-insulated metering cabinet in the current market has the defects of complex structure, high cost and long delivery period, and cannot meet the development of the market.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art's defect, provide a middling pressure measurement cabinet.
In order to solve the technical problem, the utility model provides a medium-voltage metering cabinet, which comprises a metering cabinet shell and is characterized in that the metering cabinet shell adopts a metal plate component and comprises a metering cabinet left side plate, a metering cabinet right side plate, a metering cabinet top plate, a metering cabinet bottom plate, a metering cabinet rear plate, a metering cabinet door plate, a vertical rail, a transverse rail, a long pressing strip and a short pressing strip;
the front edges of the left side plate and the right side plate of the metering cabinet are provided with long pressing strips, the front edges of the top plate and the bottom plate of the metering cabinet are provided with short pressing strips, the left side plate, the right side plate, the top plate, the bottom plate and the back plate of the metering cabinet are organized and fixed through standard self-tapping screws, through holes are formed in the periphery of a door plate ring of the metering cabinet, nut holes for mounting a door plate are formed in the front edges of the left side plate, the right side plate, the top plate and the bottom plate of the metering cabinet, the door plate of the metering cabinet is mounted on a mounting threaded hole in the front edge of the whole cabinet through the through holes in the periphery of the door plate through standard outer hexagonal screws, and the front end of the upper side;
the left side plate and the right side plate of the metering cabinet are respectively provided with a group of track structures for connecting the mutual inductor, each group of track structures comprises a group of vertical rails and at least one group of transverse rails arranged on the group of vertical rails, and the number of each group of vertical rails and transverse rails is 2;
the metering cabinet top plate is provided with a bus hole for mounting a bus wall bushing, the lower part of the bus wall bushing is provided with a copper bar bus, and the upper surface of the metering cabinet top plate is provided with a bus cover for covering the bus wall bushing;
the metering cabinet is characterized in that a low-pressure box is further arranged above the metering cabinet shell, an observation window is arranged on the low-pressure box, and the low-pressure box is used for placing secondary components.
Further, every group erect the rail from last to establishing down at the both sides border of measurement cabinet left side board or measurement cabinet right side board, the cross rail is connected with perpendicular rail through violently erecting the rail connecting block, is equipped with the through-hole of a plurality of symmetries on every group erects the rail, and cross rail and violently erect the rail connecting block and also be equipped with the same through-hole, through with through-hole assorted fastener will erect rail, cross rail and violently erect the rail connecting block fixedly.
Furthermore, the connecting blocks of the transverse rail, the vertical rail and the transverse and vertical rails are provided with a plurality of linear array standard small holes for installing transformers of various models and factories.
Further, the mutual inductor is a current mutual inductor and a voltage mutual inductor.
Furthermore, the copper bar bus is connected with a current transformer through a copper bar, and the copper bar bus is sequentially connected with a fuse and a voltage transformer through the copper bar.
Furthermore, the measuring cabinet left side board, the measuring cabinet bottom board, the measuring cabinet right side board, the measuring cabinet rear board and the measuring cabinet top board adopt 2.5mm thick cold drawing, every 2.5mm thick cold drawing adopts hem technology processing, and the surface of every 2.5mm thick cold drawing adopts dampproofing antirust material to carry out the plastic-blasting.
Furthermore, the connecting blocks of the transverse rail, the vertical rail and the transverse and vertical rails adopt cold plates with the thickness of 2.5mm processed by a flanging process, and the surfaces of the cold plates adopt galvanizing heat treatment.
Furthermore, a bus indicating face film is attached to the door plate of the metering cabinet.
Furthermore, the shell of the low-pressure box adopts a sheet metal component.
Furthermore, the travel switch support is used for setting a travel switch, an auxiliary normally open and normally closed contact of the travel switch is connected into a secondary control loop through a secondary line, when the door plate of the metering cabinet is closed, the door plate of the metering cabinet extrudes the contact of the travel switch, the travel switch keeps closed, when the door plate of the metering cabinet is opened, the door plate of the metering cabinet does not contact the contact of the travel switch, and the travel switch keeps open.
The utility model discloses the beneficial effect who reaches:
1) all designed sheet metal parts are in accordance with the standardized design, so that the equipment is simplified, and the production period is shortened;
2) long pressing strips and short pressing strips with the thickness of 5.00mm are arranged on four parts of a left side plate, a right side plate, a top plate and a bottom plate of the metering cabinet, close to the front of the cabinet, so that the strength of the cabinet is ensured, and the effect of mounting threaded holes of a door plate of the metering cabinet is achieved;
3) the connecting blocks of the transverse rail, the vertical rail and the transverse and vertical rails are provided with a plurality of linear array standard small holes, so that the mutual inductors of various types of factories can be flexibly installed, the installation universality is high, and the structural strength is ensured.
4) The utility model discloses a travel switch and travel switch support have been installed to the measurement cabinet, insert the secondary control circuit to travel switch's supplementary normally open normally closed contact through the secondary line, realize that measurement cabinet door plant opens under the condition, the inlet wire circuit breaker cabinet tripping operation of place distribution station, the effect that can not close a floodgate has guaranteed power supply safety.
Drawings
Fig. 1 is a schematic front internal structure of the present invention;
fig. 2 is a schematic view of the inner structure of the left side surface of the present invention;
fig. 3 is a schematic view of the inner structure of the right side surface of the present invention;
fig. 4 is a schematic front view of the present invention.
In the figure, 1 is a left side plate of a metering cabinet, 2 is a right side plate of the metering cabinet, 3 is a top plate of the metering cabinet, 4 is a bottom plate of the metering cabinet, 5 is a rear plate of the metering cabinet, 6 is a door plate of the metering cabinet, 7 is a vertical rail, 8 is a transverse rail, 9 is a long pressing strip, 10 is a short pressing strip, 11 is a travel switch bracket, 12 is a copper bar bus, 13 is a bus wall bushing, 14 is a bus cover, 15 is a transverse and vertical rail connecting block, 16 is a current transformer, 17 is a voltage transformer, 18 is a copper bar, 19 is a fuse, 20 is a low-voltage box, 21 is an observation window, 22 is a bus indicating face film, and 23 is a door.
Detailed Description
The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1-4, a medium-voltage metering cabinet comprises a metering cabinet shell, adopts a sheet metal component, and comprises a metering cabinet left side plate 1, a metering cabinet right side plate 2, a metering cabinet top plate 3, a metering cabinet bottom plate 4, a metering cabinet rear plate 5, a metering cabinet door plate 6, a vertical rail 7, a transverse rail 8, a long pressing strip 9 and a short pressing strip 10;
long depression bar 9 is installed to the forward position of measurement cabinet left side board 1 and measurement cabinet right side board 2, short depression bar 10 is installed to the forward position of measurement cabinet roof 3 and measurement cabinet bottom plate 4, will measure cabinet left side board 1 through standard self-tapping screw, measurement cabinet right side board 2, measurement cabinet roof 3, measurement cabinet bottom plate 4 and measurement cabinet back plate 5, long depression bar 9, frame has been assembled into to short depression bar 10, there is the through-hole around the measurement cabinet door plant 6 ring, measurement cabinet left side board 1, measurement cabinet right side board 2, measurement cabinet roof 3, there is the nut hole of installation door plant in the forward position of measurement cabinet bottom plate 4, install measurement cabinet door plant 6 on the installation screw hole in the forward position of whole cabinet through-hole all around the door plant with standard outer hexagonal screw. The upper front end of the left side plate 1 of the metering cabinet is provided with a travel switch bracket 11;
a group of track structures for connecting the mutual inductor are arranged on the left side plate 1 and the right side plate 2 of the metering cabinet, each group of track structures comprises a group of vertical rails 7 and at least one group of transverse rails 8 arranged on the group of vertical rails, and the number of each group of vertical rails 7 and transverse rails 8 is 2;
a bus hole is formed in the top plate 3 of the metering cabinet and used for installing a bus wall bushing 13, a copper bar bus 12 is installed at the lower part of the bus wall bushing 13, and a bus cover 14 is arranged on the upper surface of the top plate of the metering cabinet and used for covering the bus wall bushing 13;
the metering cabinet is characterized in that a low-pressure box 20 is further arranged above the metering cabinet shell, an observation window 21 is arranged on the low-pressure box 20, and the low-pressure box is provided with secondary components such as a guide rail, a wire groove, a terminal strip, a secondary wire, a metering box, a metering meter and a negative control device.
In this embodiment, every group erect rail 7 from last to establishing down at the both sides border of measurement cabinet left side board 1 or measurement cabinet right side board 2, cross rail 8 is connected with erecting rail 7 through violently erecting rail connecting block 15, is equipped with the through-hole of a plurality of symmetries on every group erects rail 7, and cross rail 8 also is equipped with the same through-hole with violently erecting rail connecting block 15, through with through-hole assorted bolt and nut will erect rail 7, cross rail 8 and violently erect rail connecting block 15 fixedly.
In this embodiment, the horizontal rail 8, the vertical rail 7 and the horizontal and vertical rail connecting block 15 are provided with a plurality of linear array standard small holes for installing transformers of various models and manufacturers.
In this embodiment, the transformer is a current transformer 16 or a voltage transformer 17.
In this embodiment, the copper bar bus 12 is connected to the current transformer through the copper bar 18, and the copper bar bus 12 is further connected to the fuse 19 and the voltage transformer 17 in sequence through the copper bar 18.
In this embodiment, measurement cabinet left side board 1, measurement cabinet right side board 2, measurement cabinet roof 3, measurement cabinet bottom plate 4, measurement cabinet back plate 5 adopt the thick cold drawing of 2.5mm, and every 2.5mm thick cold drawing adopts hem technology processing, has guaranteed the structural strength and the accurate overall dimension of whole box, and the surface of every 2.5mm thick cold drawing adopts dampproofing antirust material to spout plastics, has guaranteed the dampproofing rust-resistant of realization box.
In the embodiment, the transverse rail 8, the vertical rail 7 and the transverse and vertical rail connecting block 15 are made of 2.5mm thick cold plates processed by the edge folding process, and the surfaces of the cold plates are subjected to galvanizing heat treatment, so that the structure is attractive and the corrosion prevention effect is good.
In this embodiment, a bus bar indicating surface film 22 is attached to the door panel 6 of the metering cabinet.
In this embodiment, the casing of low-pressure tank 20 adopts the panel beating subassembly, is equipped with the handle on low-pressure tank 20's the door 23.
In this embodiment, travel switch support 11 is used for setting up travel switch, travel switch's supplementary normally open normally closed contact inserts secondary control circuit through the secondary line in, when measurement cabinet door plant is closed, measurement cabinet door plant extrusion travel switch's contact, travel switch keeps closed, the inlet wire circuit breaker cabinet of distribution institute of place can close a floodgate, when measurement cabinet door plant is opened, measurement cabinet door plant contactless travel switch's contact, travel switch keeps opening, the inlet wire circuit breaker cabinet tripping operation of distribution institute of place, the effect that can not close a floodgate, power supply safety has been guaranteed.
The utility model discloses an installation:
1) the equipment of the panel beating of the measurement cabinet body is with standard tapping screw to measurement cabinet left side board, measurement cabinet right side board, measurement cabinet roof, measurement cabinet bottom plate, the measurement cabinet back plate, long layering, the frame has been assembled into to short layering, then install 4 perpendicular rails on the curb plate about the measurement cabinet with standard parts such as M10 bolt and nut, 2 perpendicular rails of measurement cabinet left side board installation, 2 perpendicular rails of measurement cabinet right side board installation, next install the horizontal rail connecting block at 4 cross rail two according to the drawing requirement, then install the horizontal rail of 2 installed connecting blocks on the vertical rail of left side board, 2 install the horizontal rail of connecting block on the vertical rail of right side board in addition. Mounting travel switches and travel switch supports on vertical rails
2) And installing a low-voltage box metal plate. After welding and spraying plastics on the left side plate, the right side plate, the bottom plate and the top plate of the low pressure tank, installing an observation window, a left door plate, a right door plate, a door plate hinge door handle and other related parts, and then installing the whole low pressure tank on the metering cabinet body by using a self-tapping screw
3) According to the drawing and the power distribution requirement; the mutual inductor has two kinds of mounting methods: 1) current transformer installs on the cross rail on the measurement cabinet left side board, and voltage transformer installs on the cross rail on the measurement cabinet right side board, 2) current transformer installs on the cross rail on the measurement cabinet right side board, and voltage transformer installs on the cross rail on the measurement cabinet left side board. Then the bus wall bushing is arranged on the top plate of the metering cabinet, and then a copper bar bus, a copper bar, a fuse and the like are arranged
4) After connecting all the metering cabinets with the secondary lines, installing a bus cover and a metering cabinet door, and finally pasting a bus indicating mask.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (10)
1. A medium-voltage metering cabinet comprises a metering cabinet shell, and is characterized in that the metering cabinet shell adopts a metal plate assembly and comprises a metering cabinet left side plate, a metering cabinet right side plate, a metering cabinet top plate, a metering cabinet bottom plate, a metering cabinet rear plate, a metering cabinet door plate, a vertical rail, a transverse rail, a long pressing strip and a short pressing strip;
the front edges of the left side plate and the right side plate of the metering cabinet are provided with long pressing strips, the front edges of the top plate and the bottom plate of the metering cabinet are provided with short pressing strips, the left side plate, the right side plate, the top plate, the bottom plate and the back plate of the metering cabinet are organized and fixed through standard self-tapping screws, through holes are formed in the periphery of a door plate ring of the metering cabinet, nut holes for mounting a door plate are formed in the front edges of the left side plate, the right side plate, the top plate and the bottom plate of the metering cabinet, the door plate of the metering cabinet is mounted on a mounting threaded hole in the front edge of the whole cabinet through the through holes in the periphery of the door plate through standard outer hexagonal screws, and the front end of the upper side;
the left side plate and the right side plate of the metering cabinet are respectively provided with a group of track structures for connecting the mutual inductor, each group of track structures comprises a group of vertical rails and at least one group of transverse rails arranged on the group of vertical rails, and the number of each group of vertical rails and transverse rails is 2;
the metering cabinet top plate is provided with a bus hole for mounting a bus wall bushing, the lower part of the bus wall bushing is provided with a copper bar bus, and the upper surface of the metering cabinet top plate is provided with a bus cover for covering the bus wall bushing;
the metering cabinet is characterized in that a low-pressure box is further arranged above the metering cabinet shell, an observation window is arranged on the low-pressure box, and the low-pressure box is used for placing secondary components.
2. The medium-pressure metering cabinet according to claim 1, wherein each group of vertical rails is arranged at two side edges of a left side plate or a right side plate of the metering cabinet from top to bottom, the transverse rail is connected with the vertical rails through transverse and vertical rail connecting blocks, each group of vertical rails is provided with a plurality of symmetrical through holes, the transverse rail and the transverse and vertical rail connecting blocks are also provided with the same through holes, and the vertical rails, the transverse rails and the transverse and vertical rail connecting blocks are fixed through fasteners matched with the through holes.
3. The medium voltage metering cabinet according to claim 2, wherein the transverse rail, the vertical rail and the connecting block of the transverse rail and the vertical rail are provided with a plurality of linear arrays of standard small holes for installing transformers of various models and manufacturers.
4. The medium voltage metering cabinet according to claim 1, wherein the transformers are current transformers and voltage transformers.
5. The medium voltage metering cabinet according to claim 4, wherein the copper bar bus is connected with a current transformer through a copper bar, and the copper bar bus is further connected with a fuse and a voltage transformer in sequence through the copper bar.
6. The medium-pressure metering cabinet according to claim 1, wherein the left side plate, the bottom plate, the right side plate, the rear plate and the top plate of the metering cabinet are 2.5mm thick cold plates, each 2.5mm thick cold plate is processed by adopting a flanging process, and the surface of each 2.5mm thick cold plate is sprayed with a moisture-proof and rust-proof material.
7. The medium-pressure metering cabinet as claimed in claim 2, wherein the transverse rail, the vertical rail and the connecting block of the transverse rail and the vertical rail are made of cold plates with the thickness of 2.5mm through edge folding processing, and the surfaces of the cold plates are subjected to galvanizing heat treatment.
8. The medium voltage metering cabinet according to claim 1, wherein a bus bar indicating face film is attached to the door panel of the metering cabinet.
9. The medium voltage metering cabinet according to claim 1, wherein the housing of the low voltage tank is a sheet metal component.
10. The medium voltage metering cabinet according to claim 1, wherein the travel switch bracket is used for setting a travel switch, an auxiliary normally open and normally closed contact of the travel switch is connected into a secondary control loop through a secondary line, when a door plate of the metering cabinet is closed, the door plate of the metering cabinet presses the contact of the travel switch, the travel switch is kept closed, when a door plate of the metering cabinet is opened, the door plate of the metering cabinet does not contact the contact of the travel switch, and the travel switch is kept opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920781240.8U CN209929708U (en) | 2019-05-28 | 2019-05-28 | Medium-voltage metering cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920781240.8U CN209929708U (en) | 2019-05-28 | 2019-05-28 | Medium-voltage metering cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN209929708U true CN209929708U (en) | 2020-01-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920781240.8U Active CN209929708U (en) | 2019-05-28 | 2019-05-28 | Medium-voltage metering cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209929708U (en) |
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2019
- 2019-05-28 CN CN201920781240.8U patent/CN209929708U/en active Active
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