CN213521009U - Positive pressure box type transformer substation - Google Patents
Positive pressure box type transformer substation Download PDFInfo
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- CN213521009U CN213521009U CN202022291971.XU CN202022291971U CN213521009U CN 213521009 U CN213521009 U CN 213521009U CN 202022291971 U CN202022291971 U CN 202022291971U CN 213521009 U CN213521009 U CN 213521009U
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Abstract
The utility model relates to a malleation box-type substation, include: the bottom plate is provided with a bottom plate cross beam, and the box body is fixed on the bottom plate cross beam of the bottom plate; upright posts are arranged on four sides of the box body, the upright posts are fixedly connected with the box body and the bottom plate cross beam, and the top plate is fixedly connected with the upper part of the box body; the middle of the inner space of the box body, the top plate and the bottom plate is provided with a partition wall so as to form a first partition chamber and a second partition chamber, the first partition chamber is a low-voltage and control chamber, and the second partition chamber is a high-voltage and transformer chamber; the high-voltage and transformer chamber is provided with a dry type transformer, the low-voltage and control chamber is internally provided with a low-voltage switch cabinet incoming cabinet, the dry type transformer and the low-voltage switch cabinet incoming cabinet are connected by adopting a low-voltage bus copper bar, and the joint of the low-voltage bus copper bar and the low-voltage switch cabinet incoming cabinet is provided with a protection device for protecting the low-voltage bus copper bar. The utility model provides a positive pressure box-type substation well electric current circuit transport distance far away, the technical problem that the circuit loss is high, and low cost, the batch production and the operation of being convenient for.
Description
Technical Field
The utility model belongs to the cubical switchboard field, concretely relates to malleation box-type substation.
Background
The traditional transformer has long line transmission distance to a medium-voltage switch cabinet and a low-voltage load switch cabinet, and in order to reduce line loss, a large amount of high-voltage and low-voltage cables are required, so that the construction cost is high, and the economic benefit is low; and the traditional box transformer can only be provided with a 1600kVA dry-type transformer to the maximum extent, is shorter and shorter, has a height of 1740-2000 mm generally, cannot be used for placing a KYN28A-12 switch cabinet (comprising a base with a height of 2400 mm), cannot be used for normally opening a discharge cover of the KYN28A-12 switch cabinet, and can be used for normally wiring a secondary small bus. Meanwhile, the transmission distance of electrical signals and data acquisition functions of the traditional transformer is long, cables are used more, the transportation is inconvenient, harmful gas easily flows in, and the safety of maintenance personnel in the box and the normal use of equipment cannot be guaranteed.
SUMMERY OF THE UTILITY MODEL
Therefore, in order to overcome the shortcomings of the prior art, the utility model provides a positive pressure box-type substation to reduce the transmission line loss.
In order to achieve the above object, there is provided a positive pressure box type substation including:
the box body is fixed on the bottom plate cross beam of the bottom plate;
upright posts are arranged on four sides of the box body, the upright posts are fixedly connected with the box body and the bottom plate cross beam, and the top plate is fixedly connected to the upper part of the box body to form an inner space of the box body;
the middle of the inner space of the box body, the top plate and the bottom plate is provided with a partition wall so as to form a first partition chamber and a second partition chamber, the first partition chamber is a low-voltage and control chamber, and the second partition chamber is a high-voltage and transformer chamber; the high-voltage and transformer chamber is provided with a dry type transformer, the low-voltage and control chamber is internally provided with a low-voltage switch cabinet incoming cabinet, the dry type transformer and the low-voltage switch cabinet incoming cabinet are connected by adopting a low-voltage bus copper bar, and the joint of the low-voltage bus copper bar and the low-voltage switch cabinet incoming cabinet is provided with a protection device for protecting the low-voltage bus copper bar.
Furthermore, a low-voltage switch cabinet incoming cabinet is arranged in the low-voltage and control room and used for supplying power to low-voltage equipment; and a first low-voltage switch cabinet outgoing line cabinet, a second low-voltage switch outgoing line cabinet and a third low-voltage switch outgoing line cabinet are arranged in the low-voltage and control room and used for distributing power for external equipment.
Furthermore, a PLC control cabinet and a direct current screen cabinet are also arranged in the low-voltage and control room.
Furthermore, a dry-type transformer is arranged in the high-voltage and transformer chamber, the dry-type transformer comprises a first side and a second side, the first side is a low-voltage side and is used for converting high-voltage electricity into low-voltage electricity for supplying power to most of equipment in the low-voltage and control chamber; the second side is a high voltage side for converting high voltage electricity into low voltage electricity for supplying power to most equipment in the low voltage and control room.
Furthermore, the second side of the dry-type transformer enters the high-voltage cable through a high-voltage wire inlet hole at the rear side of the box body to be connected with a high-voltage wire of the high-voltage switch cabinet, and the high-voltage wire extends out of a wire outlet hole of a bottom plate of the box below the high-voltage switch cabinet to enter the high-voltage wire inlet hole.
Further, the low pressure and control room includes a positive pressure device including upper, middle and lower three layers.
Furthermore, the upper layer of the positive pressure equipment is a positive pressure equipment primary filter layer, the middle layer is a positive pressure equipment secondary filter layer, and the lower layer is a positive pressure equipment fan and an air outlet.
Furthermore, a positive pressure equipment air inlet elbow connected with positive pressure equipment is arranged on the box body, and the positive pressure equipment air inlet elbow is connected with a positive pressure equipment air pipe of the positive pressure equipment.
Furthermore, the bottom plate is provided with equipment wire inlet and outlet holes, the wire inlet and outlet control wires are used for the wire outlet cabinet of the high-voltage switch cabinet and the second low-voltage switch cabinet, the wire outlet cabinet of the third low-voltage switch cabinet and the wire inlet and outlet of the control cabinet, and the control wires of the wire outlet cabinet of the second low-voltage switch cabinet and the wire outlet cabinet of the third low-voltage switch cabinet can enter the control cabinet through the control wire wiring groove.
Furthermore, the control cabinet is provided with a control module, can perform signal processing and data acquisition and can be connected to the master station through a communication interface.
Compared with the prior art, the middle dry type transformer and the low-voltage switch cabinet of the utility model are connected by copper bars; in practical application, the dry type transformer and the high-voltage switch cabinet only need to be connected by a cable at a short distance, so that the problem of long line transmission distance is solved, the line loss is reduced, a small amount of copper bars are used for replacing low-voltage cables and a small amount of high-voltage cables; the copper bar and the dry-type transformer are both provided with the protective shell, so that the life and property safety of operators and equipment is ensured, and the economic benefit is also obviously improved.
Drawings
Fig. 1 is a side schematic view of one embodiment of a pre-assembled box substation of the present invention.
Fig. 2 is a schematic top view of one embodiment of the pre-assembled box substation of the present invention with the top plate removed.
Fig. 3 is a schematic cross-sectional view in the direction C-C in fig. 1.
Fig. 4 is a schematic sectional view in the direction H-H in fig. 1.
Fig. 5 is a schematic sectional view in the direction F-F in fig. 1.
Fig. 6 is a schematic cross-sectional view in the direction D-D of fig. 2.
Fig. 7 is a schematic cross-sectional view taken along the line I-I in fig. 2.
Fig. 8 is a schematic sectional view in the direction of G-G in fig. 2.
Figure 9 is another side schematic view of an embodiment of the pre-assembled box substation of the present invention.
Figure 10 is a schematic cross-sectional view of one embodiment of the pre-assembled box substation of the present invention taken along the direction indicated by J-J in figure 8.
In the figures, the numerals indicate the following meanings:
1 Low pressure and control Chamber
2 pressure relief vent
3 high pressure chamber
4 KYN28A-12 high-voltage switch cabinet
5 bottom plate
6 partition wall
7 personnel access door
8 low pressure access door
9 personnel access door
10 transformer access door
11 personnel access door
12 personnel access door
13 rain-proof cap for access door of low-voltage access door
Rain hat for 14 people to get in and out door
15 Top plate
16 personnel business turn over rain hat
17 rain hat for people to get in and out door
18 high-voltage wire inlet hole
19 fixed point of air conditioner outdoor unit
20 air conditioner internal and external machine pipeline outlet hole
21 ground point
22 control wire trough
23 air inlet elbow of positive pressure equipment
24 positive pressure equipment air pipe
25 positive pressure apparatus
26 pressure difference and flow regulating valve
27 belt emergency fluorescent lamp
28 distribution box
29 4 corner pieces using standard container fixing mode
30 sense of smoking
31 Low-voltage switch cabinet (incoming line cabinet)
32 Low-voltage switch cabinet (outgoing line cabinet)
33 line outlet cabinet
34 pressure relief opening of access door of transformer
35 DC screen (high-voltage quadratic element power supply)
36 PLC control cabinet
37 dry type transformer
38 low-voltage bus copper bar
39 low voltage side of dry type transformer
High-voltage side of 40 dry type transformer
41 primary filtration of positive pressure equipment
42 positive pressure equipment secondary filtration
43 blower and air outlet of positive pressure equipment
44 low-voltage switch cabinet bus bridge box
45 bus duct of low-voltage switch cabinet
46 dry type transformer closed type casing
47 observation window
48 folding table
49 high-voltage cabinet access door
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings 1-10 in conjunction with the following embodiments.
The utility model discloses an embodiment provides a novel malleation box-type substation, and it includes bottom plate (5), box and roof (15), and the lower extreme welding of box is on the bottom plate crossbeam, and four sides are equipped with the stand, and the stand passes through welded connection with box, bottom end rail (50). The top plate is fixedly connected to the upper part of the box body to form an inner space of the box body; the middle of the inner space of the box body and the top plate and the bottom plate is provided with a partition wall to form a first partition chamber and a second partition chamber, the first partition chamber is a low-voltage and control chamber, and the second partition chamber is a high-voltage and transformer chamber
In one embodiment, a top plate (15) is welded on the upper part of a box body, a partition wall (6) is arranged between the interior of the box body and a bottom plate of the top plate to form a left compartment and a right compartment, a first compartment is a low-voltage and control compartment (1), a second compartment is a high-voltage and transformer compartment (3), a low-voltage switch cabinet incoming line cabinet (31) is arranged in the low-voltage and control compartment and used for supplying power to low-voltage equipment, a first low-voltage switch cabinet outgoing line cabinet (32), a second low-voltage switch cabinet outgoing line cabinet (33) and a third low-voltage switch cabinet outgoing line cabinet (34) are used for converting high-voltage power into low-voltage power and supplying power to most of equipment in the low-voltage and control compartment by a dry-type transformer (37) on the left side, the dry type transformer (37) is provided with a dry type transformer closed shell (46) for protecting the stable operation of the transformer and the production and property, the dry type transformer (37) is connected with a low-voltage switch cabinet incoming line cabinet (31) by adopting a low-voltage bus copper bar (38), and a closed low-voltage switch cabinet bus bar groove (45) and a low-voltage switch cabinet bus bar bridge box (44) are arranged at the joint of the low-voltage bus copper bar (38) and the low-voltage switch cabinet incoming line cabinet (31) to protect the low-voltage bus copper bar (38).
In one embodiment, a PLC control cabinet (36) and a DC screen cabinet (35) are provided. The PLC control cabinet (36) is used for signal acquisition and equipment control, and the direct current cabinet (35) is used for supplying power to secondary components of the KYN28A-12 high-voltage switch cabinet (4).
In one embodiment, the right side of the dry-type transformer (37) is a high-voltage side (40) of the dry-type transformer, the high-voltage side (40) of the transformer enters a high-voltage cable through a high-voltage wire inlet hole (18) in the rear side of the box body and is connected with a high-voltage wire of a KYN28A-12 high-voltage switch cabinet (4), the high-voltage wire exits from a wire outlet hole of a bottom plate below the KYN28A-12 high-voltage switch cabinet (4) and then enters the high-voltage wire inlet hole (18), the application of the high-capacity 2500kVA dry-type transformer in box transformer equipment is realized, the problem that an oil-immersed transformer is needed in the conventional high-capacity transformer is solved, the equipment line construction cost is remarkably reduced, and the KYN28A-12 high-voltage switch cabinet (4) can normally open a cable chamber pressure relief cover (401), a bus chamber pressure relief cover (402), a.
In one embodiment, a low-pressure access door (8) is arranged at the left front part of the box body and used for low-pressure equipment access.
In one embodiment, a low-pressure access door in-and-out door rain cap (13) is arranged above the low-pressure access door (8), a personnel in-and-out door (9) is arranged on the left side of the middle and the partition wall (6) and in front of the left side of the box body and is used when an operator needs to operate equipment, and a personnel in-and-out door rain cap (14) is arranged above the personnel in-and-out door (9).
In one embodiment, the right side of the cabinet is provided with a transformer access door (10) for a dry transformer (37).
In one embodiment, the transformer access door (10) is provided with 4 transformer access door pressure relief openings (34), and transformer access door rain caps are arranged above the 4 transformer access door pressure relief openings (34).
In one embodiment, the grounding point (21) is arranged at the lower right part of the box body, and the high-voltage cabinet access door (49) is arranged at the right side right in front of the box body.
In one embodiment, the left side of the back of the box body is provided with a personnel access door (11) which can access the high-voltage and transformer chamber (3), a personnel access rain hat (17) is arranged above the personnel access door (11), a personnel access door (12) is arranged on the right side of the back of the box body, a personnel access rain hat (16) is arranged above the personnel access door (12) arranged on the right side of the back of the box body,
in one embodiment, the top of the box body (3) is provided with a smoke sensor and a fluorescent lamp with an emergency function, so that the safety of an operator in the box-type substation equipment is ensured.
In order to ensure the stability, in one embodiment, the bottom of the box body (3) is provided with 4 standard container fixing mode corner pieces (29), the standard container fixing and transportation can be realized, and the external dimension of the box transformer equipment is 11800mm (L) 3800mm (D) 3200mm (H).
In one embodiment, a positive pressure equipment air inlet elbow (23) is arranged on the left side of the box body and used for air inlet of positive pressure equipment (25) through a positive pressure equipment air pipe (24), the positive pressure equipment (25) is divided into an upper layer, a middle layer and a lower layer, the first layer is a positive pressure equipment primary filter layer (41), the second layer is a positive pressure equipment secondary filter layer (42), the third layer is a positive pressure equipment fan and an air outlet (43), a pressure difference and flow regulating valve (26) is arranged above the positive pressure equipment fan and the air outlet (43), the positive pressure equipment (25) can regulate pressure to be within an acceptable range, harmful gas inflow can be avoided, and the safety of maintenance personnel and the normal use of equipment.
In one embodiment, the bottom plate (5) is provided with equipment wire inlet and outlet holes for inlet and outlet wires of a KYN28A-12 high-voltage switch cabinet (4), a second low-voltage switch cabinet wire outlet cabinet (32), a third low-voltage switch cabinet wire outlet cabinet (33) and a PLC control cabinet (36), control wires of the second low-voltage switch cabinet wire outlet cabinet (32) and the third low-voltage switch cabinet wire outlet cabinet (33) can enter the PLC control cabinet (36) through the control wire wiring groove (22), the PLC control cabinet (36) is provided with a control module, signal processing and data acquisition can be performed, the PLC control cabinet can be connected to a main station through a communication interface, and unattended operation can be achieved.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention. The above 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 regarded as the protection scope of the present invention.
Claims (10)
1. A positive pressure box-type substation, characterized by comprising:
the box body inner space is composed of a bottom plate, a box body and a top plate, a bottom plate cross beam is arranged on the bottom plate, and the box body is fixed on the bottom plate cross beam of the bottom plate;
upright posts are arranged on four sides of the box body, the upright posts are fixedly connected with the box body and the bottom plate cross beam, and the top plate is fixedly connected with the upper part of the box body;
the middle of the inner space of the box body, the top plate and the bottom plate is provided with a partition wall so as to form a first partition chamber and a second partition chamber, the first partition chamber is a low-voltage and control chamber, and the second partition chamber is a high-voltage and transformer chamber; the dry type transformer is arranged in the high-voltage and transformer chamber, the low-voltage and control chamber is internally provided with a low-voltage switch cabinet incoming line cabinet, the dry type transformer and the low-voltage switch cabinet incoming line cabinet are connected by adopting a low-voltage bus copper bar, and a protection device is arranged at the joint of the low-voltage bus copper bar and the low-voltage switch cabinet incoming line cabinet to protect the low-voltage bus copper bar.
2. The positive-pressure box-type substation of claim 1, wherein the protection device comprises a closed low-voltage switchgear bus duct and a low-voltage switchgear bus bridge box.
3. The positive-pressure box-type substation according to claim 2, wherein a PLC control cabinet and a DC screen cabinet are arranged in the low-voltage and control room.
4. The positive pressure box substation of claim 2, wherein the dry type transformer comprises a first side and a second side, the first side being a low voltage side for converting high voltage electricity to low voltage electricity for powering a majority of equipment in the low voltage and control room; the second side is a high voltage side for converting high voltage electricity into low voltage electricity for supplying power to most equipment in the low voltage and control room.
5. The positive pressure box type substation according to claim 4, wherein the high voltage cable is connected with the high voltage wire of the high voltage switch cabinet by entering the high voltage cable through the high voltage wire inlet hole at the rear side of the box body, and the high voltage wire extends out of the wire outlet hole of the bottom plate below the high voltage switch cabinet and enters the high voltage wire inlet hole.
6. The positive pressure box substation of claim 1, wherein the low voltage and control room comprises positive pressure equipment comprising an upper, middle and lower tier.
7. The positive-pressure box-type substation of claim 6, wherein the upper layer of the positive-pressure equipment is a positive-pressure equipment primary filter layer, the middle layer is a positive-pressure equipment secondary filter layer, and the lower layer is a positive-pressure equipment blower and an air outlet.
8. The positive-pressure box-type substation of claim 6, wherein the box body is provided with a positive-pressure equipment air inlet elbow connected with the positive-pressure equipment, and the positive-pressure equipment air inlet elbow is connected with a positive-pressure equipment air pipe of the positive-pressure equipment.
9. The positive-pressure box-type substation according to claim 3, wherein the bottom plate is provided with equipment wire inlet and outlet holes, the wire inlet and outlet control lines are used for the wire outlet cabinet of the high-voltage switch cabinet and the second low-voltage switch cabinet, the wire outlet cabinet of the third low-voltage switch cabinet and the wire inlet and outlet of the control cabinet, and the control wires of the wire outlet cabinet of the second low-voltage switch cabinet and the wire outlet cabinet of the third low-voltage switch cabinet can enter the control cabinet through the control wire wiring groove.
10. The positive-pressure box-type substation according to claim 9, wherein the control cabinet is provided with a control module which can perform signal processing and data acquisition and can be connected to the master station through a communication interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022291971.XU CN213521009U (en) | 2020-10-14 | 2020-10-14 | Positive pressure box type transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022291971.XU CN213521009U (en) | 2020-10-14 | 2020-10-14 | Positive pressure box type transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213521009U true CN213521009U (en) | 2021-06-22 |
Family
ID=76397593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022291971.XU Active CN213521009U (en) | 2020-10-14 | 2020-10-14 | Positive pressure box type transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213521009U (en) |
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2020
- 2020-10-14 CN CN202022291971.XU patent/CN213521009U/en active Active
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