CN213816748U - Top-mounted PT type ring main unit for electrified railway - Google Patents
Top-mounted PT type ring main unit for electrified railway Download PDFInfo
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- CN213816748U CN213816748U CN202022546254.7U CN202022546254U CN213816748U CN 213816748 U CN213816748 U CN 213816748U CN 202022546254 U CN202022546254 U CN 202022546254U CN 213816748 U CN213816748 U CN 213816748U
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Abstract
The utility model relates to a top-mounted PT type ring main unit for an electrified railway, which solves the problems of the prior art, the technical scheme is that the intelligent cabinet comprises a cabinet body and a PT module arranged at the top of the cabinet body, wherein a first load switch module, a second load switch module and a load switch fuse combined electrical module are arranged in the cabinet body, the first load switch module, the second load switch module, the load switch fuse combination electrical module and the PT module, the first load switch module, the second load switch module, the load switch fuse combined electrical module and the PT module are connected to the input bus in parallel, the first load switch module and the second load switch module are identical in structure, the first load switch module comprises a first capacitive voltage indicator and a first load switch, the first capacitive voltage indicator indicates that the sleeve is electrified, and the output end of the driving motor is linked with the load switch of the combined module.
Description
Technical Field
The utility model belongs to a regulator cubicle relates to an electric railway top mounted PT type ring network cabinet.
Background
The Ring Main Unit (Ring Main Unit) is a group of electric equipment (high-voltage switch equipment) which is arranged in a metal or nonmetal insulating cabinet body or is made into an assembled interval Ring Main power supply Unit, and the core part of the Ring Main Unit adopts a load switch and a fuse, so that the Ring Main Unit has the advantages of simple structure, small volume, low price, capability of improving power supply parameters and performance, power supply safety and the like. The transformer substation is widely applied to distribution stations and box-type substations of load centers of urban residential districts, high-rise buildings, large public buildings, factory enterprises and the like.
For example, chinese patent No. CN201721814449.7 discloses a dust-proof ring main unit, which includes a ring main unit main body, wherein a ring main unit main cover is fixedly disposed at the top end of the ring main unit main body by welding, a ring main unit side door is disposed on the surface of the ring main unit main body, filter protection net placement grooves are disposed at two ends of the filter protection net, and the filter protection net placement grooves are fixedly connected by a groove clamp; the utility model discloses the filtration protection network of well design can be at looped netowrk cabinet during operation, carries out effectual blockking with the dust in the air, prevents that it from getting into the inside in scattered wind gap, and here utility model discloses the fixed mounting panel of well design can pull out the connection when the required mounting area is great when the installation, and the great reduction of limitation, the rotation axis connection of this design place the recess when connecting for the rotation axis can not be outstanding on the surface of looped netowrk cabinet, and more pleasing to the eye is got up in the installation, and can not take place to become flexible when long-term the use. However, the technology has the problems of large design volume and difficult installation on railways.
SUMMERY OF THE UTILITY MODEL
The utility model provides a prior art exist the design volume great, install difficult problem on the railway, provide an electric railway top mounted PT type ring network cabinet.
The utility model provides a technical scheme that its technical problem adopted is: a top-mounted PT-type ring network cabinet for an electrified railway comprises a cabinet body and a PT module mounted at the top of the cabinet body, wherein a first load switch module, a second load switch module and a load switch fuse combination electrical module are mounted in the cabinet body, the first load switch module, the second load switch module, the load switch fuse combination electrical module and the PT module are connected to an input bus in parallel, the first load switch module and the second load switch module are identical in structure, the first load switch module comprises a first capacitive voltage indicator for indicating that a sleeve is electrified and a first load switch, the first load switch comprises a grounding end, a load end and an action end, and the load end of the first load switch is connected with the bus, the earthing terminal ground connection of first load switch, first load switch's action end is connected with the load, first capacitive voltage indicator is connected with the action end, and load switch fuse combination electrical module includes driving motor, fuse, composite module load switch, composite module earthing switch and composite module capacitive voltage indicator, the fuse is connected with composite module load switch's earthing terminal machinery, the fuse still links with composite module earthing switch machinery, composite module load switch's load end and bus connection, composite module load switch's action end is connected with the first end of fuse, and the second end and the load of fuse are connected, and composite module capacitive voltage indicator is connected with the second end of fuse, and driving motor's output and composite module load switch linkage. The utility model discloses the structure is clear, can the rational distribution with the PT module at the top of cabinet body air chamber, and area occupied is less, simultaneously, the utility model discloses inside electrical arrangement is reasonable.
Preferably, the combined module load switch and the first load switch are load switches with an automatic release function.
The utility model discloses a substantive effect is: the utility model discloses the structure is clear, can the rational distribution with the PT module at the top of cabinet body air chamber, area occupied is less, the utility model discloses inside electrical arrangement is reasonable, simultaneously, the utility model discloses can make drive control's operation source more pluralism, can design and can only control near for general condition, and under the special circumstances, also can be by long-range controlling.
Drawings
Fig. 1 is an external view of the present invention;
fig. 2 is a schematic diagram of an internal circuit arrangement according to the present invention;
FIG. 3 is a schematic circuit diagram of the motion driving device of the present invention;
in the figure: 1. cabinet body, 2, PT module.
Detailed Description
The technical solution of the present invention is further specifically described below by way of specific examples.
Example 1:
a top-mounted PT-type ring main unit of an electrified railway (see attached figures 1 to 3) comprises a main body 1 and a PT module 2 installed at the top of the main body, wherein a first load switch module, a second load switch module and a load switch fuse combined electrical module are installed in the main body, the first load switch module, the second load switch module, the load switch fuse combined electrical module and the PT module are connected to an input bus in parallel, the first load switch module and the second load switch module are identical in structure, the first load switch module comprises a first capacitive voltage indicator for indicating that a sleeve is electrified and a first load switch, the first load switch comprises a grounding end, a load end and an action end, the load end of the first load switch is connected with the bus, the earthing terminal ground connection of first load switch, first load switch's action end is connected with the load, first capacitive voltage indicator is connected with the action end, and load switch fuse combination electrical module includes driving motor, fuse, composite module load switch, composite module earthing switch and composite module capacitive voltage indicator, the fuse is connected with composite module load switch's earthing terminal machinery, the fuse still links with composite module earthing switch machinery, composite module load switch's load end and bus connection, composite module load switch's action end is connected with the first end of fuse, and the second end and the load of fuse are connected, and composite module capacitive voltage indicator is connected with the second end of fuse, and driving motor's output and composite module load switch linkage. The combined module load switch and the first load switch are load switches with automatic release functions.
This embodiment structure is clear, can rationally distribute the PT module at the top of cabinet body air chamber, and area occupied is less, and the inside electrical arrangement of this embodiment is reasonable, and simultaneously, this embodiment can make drive control's operation source more diversified, can design to general condition can only control near ground, and under the special circumstances, also can be controlled by long-range.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the scope of the claims.
Claims (2)
1. The utility model provides an electric railway top mounted PT type ring network cabinet which characterized in that: the intelligent power distribution cabinet comprises a cabinet body and a PT module installed at the top of the cabinet body, wherein a first load switch module, a second load switch module and a load switch fuse combined electrical module are installed in the cabinet body, the first load switch module, the second load switch module, the load switch fuse combined electrical module and the PT module are connected to an input bus in a parallel mode, the first load switch module and the second load switch module are identical in structure, the first load switch module comprises a first capacitive voltage indicator for indicating that a sleeve is electrified and a first load switch, the first load switch comprises a grounding end, a load end and an action end, the load end of the first load switch is connected with the bus, and the grounding end of the first load switch is grounded, the action end of first load switch is connected with the load, first capacitive voltage indicator is connected with the action end, and load switch fuse combination electrical module includes driving motor, fuse, composite module load switch, composite module earthing switch and composite module capacitive voltage indicator, fuse and composite module load switch's earthing terminal mechanical linkage, the fuse still links with composite module earthing switch machinery, composite module load switch's load end and bus connection, composite module load switch's action end is connected with the first end of fuse, and the second end and the load of fuse are connected, and composite module capacitive voltage indicator is connected with the second end of fuse, and driving motor's output and composite module load switch linkage.
2. The electrified railway top-mounted PT type ring main unit of claim 1, wherein: the combined module load switch and the first load switch are load switches with automatic release functions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022546254.7U CN213816748U (en) | 2020-11-06 | 2020-11-06 | Top-mounted PT type ring main unit for electrified railway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022546254.7U CN213816748U (en) | 2020-11-06 | 2020-11-06 | Top-mounted PT type ring main unit for electrified railway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213816748U true CN213816748U (en) | 2021-07-27 |
Family
ID=76965540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022546254.7U Active CN213816748U (en) | 2020-11-06 | 2020-11-06 | Top-mounted PT type ring main unit for electrified railway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213816748U (en) |
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2020
- 2020-11-06 CN CN202022546254.7U patent/CN213816748U/en active Active
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