CN213989574U - Take compound PT looped netowrk cabinet of quick interface - Google Patents
Take compound PT looped netowrk cabinet of quick interface Download PDFInfo
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- CN213989574U CN213989574U CN202021999908.5U CN202021999908U CN213989574U CN 213989574 U CN213989574 U CN 213989574U CN 202021999908 U CN202021999908 U CN 202021999908U CN 213989574 U CN213989574 U CN 213989574U
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Abstract
The utility model relates to a composite PT ring main unit with a quick interface, which comprises a cabinet body with an expansion connecting sleeve, an operating mechanism bin, a quick connecting bin, a PT bin, a switch bin, a pressure relief bin and an operating panel; the quick connection bin consists of a bypass quick plug connector, a protection outer panel, a protection inner panel and a special all-insulation plug for plugging the bypass quick plug connector; the PT bin consists of a voltage transformer, a first European connector and a second European connector; the first European connector is electrically connected with the second European connector through a fully insulated connecting wire; the second European-style connector is connected with the voltage transformer; the switch cabin consists of a busbar, a breaker, an isolating switch, a bypass branch bus and a PT branch bus; the circuit breaker is electrically connected with the isolating switch through a bus; the bypass branch bus is connected with the PT branch bus in parallel and is electrically connected with the isolating switch; the PT branch bus is connected with the first European connector; the bypass branch bus is electrically connected with the bypass quick plug connector.
Description
Technical Field
The utility model belongs to the technical field of the PT looped netowrk cabinet, concretely relates to take compound PT looped netowrk cabinet of quick interface.
Background
With the improvement of urbanization level and the development of economy, national economy and resident life put forward higher and higher requirements on power supply service, so how to keep power off or reduce power failure time in the process of maintaining and overhauling operation and equipment of a transformer substation becomes one of the key points of current work. The distribution network maintenance operation should obey the principle that the energy band is not stopped, and in order to further promote the distribution network operation technical level that does not stop, improve the security and the work efficiency of distribution network operation that do not stop, it becomes urgent to develop the research of novel bypass operation equipment technique.
In a traditional ring main unit or a switching station, a standby interval is generally reserved, and when a certain line breaks down and needs to be overhauled, the standby interval is used for supplying power to a load under the line. However, as the urban power load is rapidly increased, the power consumption is more and more tense, and the standby interval has the problems of space occupation and economy. In addition, in many cases, there is not spare interval in looped netowrk cabinet and the switching station, is unfavorable for live working's expansion, must have a power failure during the maintenance, has reduced user's power consumption quality. Increase the quick plug of system and connect, make things convenient for the bypass operation, remain the function of former looped netowrk cabinet and switching station simultaneously again, do not additionally occupy looped netowrk cabinet or switching station space, do not increase the input cost by a wide margin and improve the economic nature, be the utility model discloses the problem that will solve.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the technical problem who exists among the prior art, provide a take compound PT looped netowrk cabinet of quick interface, its quick plug of increase system connects, makes things convenient for the bypass operation, remains the function of former looped netowrk cabinet and switching station simultaneously again, and does not additionally occupy looped netowrk cabinet or switching station space, has improved the economic nature.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
a composite PT ring main unit with a quick interface comprises a main body with an expansion connecting sleeve, an operating mechanism bin, a PT bin, a switch bin, a pressure relief bin for controlling the air pressure of the switch bin, and an operating panel, wherein the composite PT ring main unit also comprises a quick connecting bin; the quick connection bin consists of a bypass quick plug connector, a protection outer panel, a protection inner panel and a special all-insulation plug for plugging the bypass quick plug connector;
the PT bin consists of a voltage transformer, a first European connector and a second European connector; the first European-type connector is electrically connected with the second European-type connector through a fully-insulated connecting wire; the second European-style connector is connected with a voltage transformer;
the switch bin consists of a busbar, a circuit breaker, an isolating switch, a bypass branch bus and a PT branch bus; the extension connecting sleeve is electrically connected with the circuit breaker through a busbar; the circuit breaker is electrically connected with the isolating switch through a busbar; the bypass branch bus is connected with the PT branch bus in parallel and is electrically connected with the isolating switch; the PT branch bus is connected with a first European connector; and the bypass branch bus is electrically connected with the bypass quick plug connector.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Further, the circuit breaker is provided with a circuit breaker operating mechanism, and the disconnecting switch is provided with a disconnecting switch operating mechanism.
Further, the protective inner panel is provided with a bypass cable pass-through hole and an interlock protection device.
Furthermore, the extension connecting sleeve is an extension connecting sleeve for ejecting out of the cabinet or laterally out of the cabinet or backwards out of the cabinet.
Further, the bypass quick plug connector is arranged on the front side of the cabinet body.
Further, compound PT looped netowrk cabinet still includes a plurality of and is used for the bearing rings of hoist and mount transport cabinet body.
Further, the pressure relief bin comprises a pressure relief valve for controlling the air pressure of the switch bin.
Further, the panel schematic diagram of the operation panel is composed of a main loop schematic diagram, a PT branch line schematic diagram and a bypass branch schematic diagram.
Further, a circuit breaker operation area and a disconnecting switch operation area are arranged on the operation panel.
The utility model has the advantages that: the utility model has the advantages that the number of the ring main units is not increased, the space of the ring main units or the switching station is not enlarged, the original function of the PT cabinet is kept, and the standby interval function is provided; the bypass quick plug-pull connector is arranged, so that the composite PT ring main unit can be quickly butted with a bypass quick access type cable to take electricity and conduct current, and the quick access function of a temporary power supply and a bypass power supply is realized; the cabinet door of the quick connection bin and the switch operating mechanism have an interlocking function, so that the requirement of five prevention is met, and the operation is more convenient and safer; the bypass branch is connected with the PT branch in parallel, so that the space of the cabinet body is saved, and the economy is improved; the main loop is provided with a breaker which can cut off short-circuit current and has a protection function.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the operation panel of the present invention;
fig. 3 is a schematic structural view of the operating mechanism chamber of the present invention;
fig. 4 is the structure schematic diagram of the quick connection bin of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. the cabinet body, 2, an operating mechanism cabin, 21, a circuit breaker operating mechanism, 22, a disconnecting switch operating mechanism, 3, a quick connection cabin, 31, a bypass quick plug connector, 32, a protection outer panel, 33, a protection inner panel, 34, a full-insulation special plug, 35, an interlocking protection device, 36, a bypass cable passing hole, 4, a PT cabin, 41, a voltage transformer, 42, a first European connector, 43, a full-insulation connecting wire, 44, a second European connector, 5, a bearing ring, 6, an extension connecting sleeve, 7, a switch cabin, 71, a busbar, 72, a circuit breaker, 73, a disconnecting switch, 74, a bypass branch bus, 75, a PT branch bus, 8, a pressure relief cabin, 81, a pressure relief valve, 9, an operating panel, 91, a main loop schematic diagram, 92, a branch line schematic diagram, 93, a bypass branch schematic diagram, 94, a circuit breaker operating area, 95, Isolating the switch operating area.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
It should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are intended to be construed broadly, as if they were connected either fixedly or removably, or as integrally formed structures. To those of ordinary skill in the art, the specific meaning of such terms in this patent may be understood as appropriate.
As shown in fig. 1-4, the utility model relates to a take compound PT looped netowrk cabinet of quick interface, including the cabinet body 1 of taking extension adapter sleeve 6, operating device storehouse 2, the storehouse of plugging into 3, PT storehouse 4, switch storehouse 7 fast, be used for controlling the pressure release storehouse 8 of the atmospheric pressure in switch storehouse 7 to and operating panel 9.
As shown in fig. 1 and 3, the operating mechanism compartment 2 is composed of a circuit breaker operating mechanism 21 and a disconnector operating mechanism 22.
As shown in fig. 1 and 4, the quick connection cabin 3 is composed of a bypass quick plug connector 31, a protective outer panel 32, a protective inner panel 33, and a fully-insulated special plug 34 for plugging the bypass quick plug connector 31. The bypass quick plugging and unplugging joint 31 is stably connected through a spring bolete clamping structure; the contact fingers are used as conductive media, and the sealed mechanical structure ensures the safety performance of power transmission. The protective inner panel 33 is provided with a bypass cable passing hole 36 and an interlock protection device 35. When the protection inner panel 33 is opened, the breaker operating mechanism 21 and the disconnector operating mechanism 22 are locked, and the closing operation is disabled. When the breaker 72 and the disconnector 73 are closed, the protection inner panel 33 is locked and cannot be opened.
As shown in fig. 1, the PT bin 4 is composed of a voltage transformer 41, a first european connector 42 and a second european connector 44; the first European connector 42 is electrically connected with the second European connector 44 through a fully insulated connecting wire 43; the second european connector 44 is connected to the voltage transformer 41.
As shown in fig. 1, the switch cabin 7 is composed of a busbar 71, a breaker 72, a disconnector 73, a bypass branch busbar 74 and a PT branch busbar 75. The circuit breaker 72 is provided with a circuit breaker operating mechanism 21, and the disconnector 73 is provided with a disconnector operating mechanism 22. The operating mechanism and the rapid connection cabin 3 are provided with interlocking devices, and the five-prevention function is achieved.
The circuit breaker 72 is electrically connected with a disconnecting switch 73 through a busbar 71. The bypass branch bus 74 is connected in parallel with the PT branch bus 75 and electrically connected to the disconnecting switch 73. The bypass branch bus 74 is connected in parallel with the PT branch bus 75, and the circuit breaker 72 and the disconnecting switch 73 sharing the main circuit are controlled and protected, so that the space is saved and the economy is improved.
The bypass branch bus 74 is electrically connected with the bypass quick-connect plug 31. The bypass quick plug connector 31 is connected with the PT branch bus 75 in parallel for a long time and is in a charged state, and is blocked by using a special full-insulation plug 34.
The inventor conducts research, and adopts a mode that the bypass branch bus 74 is connected with the PT branch bus 75 in parallel; the bypass quick plug connector 31 is connected with the PT branch bus 75 in parallel for a long time and is in a charged state, and the bypass quick plug connector needs to be plugged by a special full-insulation plug 34. The main circuit is provided with a breaker 72 and a disconnector 73, and the breaker 72 can break a breaking current and has a protection function. The quick connecting bin 3 is provided with a double-layer cover plate for protection, and a device interlocked with the operating mechanism is arranged, so that the requirement of five prevention is met.
The inventor designs and solves the problems of no standby interval and shortage of the area for the ring main unit or the opening and closing; the breaker 72 of the main loop can break the fault current, so that the cabinet body 1 has a protection function; the bypass quick plug-pull joint 31 is adopted, so that the expansion of bypass operation is facilitated, and the bypass operation time is shortened; the bypass branch is connected with the PT branch in parallel, and the main loop where the circuit breaker 72 and the isolating switch 73 are located is shared, so that the space of the cabinet body 1 is saved, the cost is saved, and the economic applicability of the cabinet body 1 is improved.
As shown in fig. 1, the bypass quick-connect/disconnect connector 31 is disposed at the front side of the cabinet 1. It should be noted that the bypass quick-connect/disconnect connector 31 is not limited to be disposed at the front side of the cabinet 1, and may be disposed at an appropriate position such as the rear side of the cabinet 1.
The extension joint sleeve 6 can be a top-out cabinet or a side-out cabinet or a back-out cabinet extension joint sleeve, and is not limited to a single fixing form. The compound PT ring main unit is connected with other ring main units in a combined mode or connected with a bus through the extension connecting sleeve 6. The extension connection sleeve 6 is electrically connected with a circuit breaker 72 through a busbar 71, and the circuit breaker 72 has a protection function of cutting off fault current.
As shown in fig. 1, the composite PT ring main unit further includes a plurality of load-bearing rings 5 for hoisting the carrying main unit 1.
As shown in fig. 1, the decompression chamber 8 includes a decompression valve 81 for controlling the air pressure of the switch chamber 7.
As shown in fig. 2, the panel schematic diagram of the operation panel 9 is composed of a main loop schematic diagram 91, a PT branch line schematic diagram 92, and a bypass branch schematic diagram 93. The operation panel 9 is provided with a breaker operation area 94 and a disconnector operation area 95.
The original function of compound PT looped netowrk cabinet had both remain the PT cabinet, had increased the bypass branch road again, was equipped with bypass quick plug and pull joint 31, made compound PT looped netowrk cabinet can be with the quick butt joint of bypass quick access type cable get the electricity, the drainage, realize the quick access function of temporary power supply, bypass power supply. The bypass branch is connected with the PT branch in parallel, and the main loop is provided with a circuit breaker 72 and an isolating switch 73, so that the cabinet body 1 has a protection function, the space of the cabinet body 1 is saved, and the economy of the cabinet body 1 is improved.
The mechanisms, assemblies and components of the present invention that are not described with respect to a particular structure are existing structures that exist in the prior art, such as the fully insulated special plugs 34. Can be purchased directly from the market.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. A composite PT ring main unit with a quick interface comprises a main body (1) with an expansion connecting sleeve (6), an operating mechanism bin (2), a PT bin (4), a switch bin (7), a pressure relief bin (8) for controlling the air pressure of the switch bin (7), and an operating panel (9), and is characterized by further comprising a quick connecting bin (3); the rapid connection bin (3) consists of a bypass rapid plug connector (31), a protective outer panel (32), a protective inner panel (33) and a special all-insulation plug (34) for plugging the bypass rapid plug connector (31);
the PT bin (4) consists of a voltage transformer (41), a first European connector (42) and a second European connector (44); the first European connector (42) is electrically connected with the second European connector (44) through a fully insulated connecting wire (43); the second European-style connector (44) is connected with the voltage transformer (41);
the switch bin (7) consists of a busbar (71), a circuit breaker (72), an isolating switch (73), a bypass branch bus (74) and a PT branch bus (75); the extension connecting sleeve (6) is electrically connected with the breaker (72) through a busbar (71); the circuit breaker (72) is electrically connected with the isolating switch (73) through a busbar (71); the bypass branch bus (74) is connected with the PT branch bus (75) in parallel and is electrically connected with the isolating switch (73); the PT branch bus (75) is connected with a first European connector (42); the bypass branch bus (74) is electrically connected with the bypass quick plug connector (31).
2. A composite PT ring main unit as claimed in claim 1, wherein the circuit breaker (72) is provided with a circuit breaker operating mechanism (21), and the disconnector (73) is provided with a disconnector operating mechanism (22).
3. A composite PT ring main unit as claimed in claim 2, characterised in that the protective inner panel (33) is provided with a bypass cable pass-through hole (36) and an interlock protection device (35).
4. A composite PT ring main unit according to claim 1, wherein the extension joint sleeve (6) is an ejection cabinet or a side cabinet or a rear cabinet extension joint sleeve.
5. The composite PT ring main unit according to claim 1, characterized in that the bypass quick plug connector (31) is arranged at the front side of the main unit body (1).
6. The composite PT ring main unit according to claim 1, characterized in that the composite PT ring main unit further comprises a plurality of load-bearing hanging rings (5) for hoisting the carrying main unit body (1).
7. A composite PT ring main unit as claimed in claim 1, wherein the pressure relief cabin (8) includes a pressure relief valve (81) for controlling the air pressure of the switch cabin (7).
8. The composite PT ring main unit according to claim 1, characterized in that the panel schematic diagram of the operation panel (9) is composed of a main loop schematic diagram (91), a PT branch line schematic diagram (92) and a bypass branch schematic diagram (93).
9. A composite PT ring main unit as claimed in claim 1, wherein the operating panel (9) is provided with a circuit breaker operating area (94) and a disconnector operating area (95).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021999908.5U CN213989574U (en) | 2020-09-14 | 2020-09-14 | Take compound PT looped netowrk cabinet of quick interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021999908.5U CN213989574U (en) | 2020-09-14 | 2020-09-14 | Take compound PT looped netowrk cabinet of quick interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213989574U true CN213989574U (en) | 2021-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021999908.5U Active CN213989574U (en) | 2020-09-14 | 2020-09-14 | Take compound PT looped netowrk cabinet of quick interface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213989574U (en) |
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2020
- 2020-09-14 CN CN202021999908.5U patent/CN213989574U/en active Active
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