CN213989573U - Take PT looped netowrk cabinet of bypass quick interface - Google Patents

Abstract

The utility model relates to a PT looped netowrk cabinet with bypass quick interface, which comprises a cabinet body, an operating mechanism bin, a quick connection bin, a PT bin, a switch bin, a pressure relief bin and an operating panel, wherein the quick connection bin consists of a bypass quick plug-in connector, a protection outer panel and a protection inner panel; the bypass quick plug-pull joint is arranged at the front side of the cabinet body; 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 PT switch, a bypass branch bus and a PT loop branch bus; the PT switch passes through PT return circuit branch generating line and first european style connector electrical connection, and bypass branch switch passes through bypass branch generating line and bypass quick plug connects electrical connection. The utility model discloses when keeping the original function of PT cabinet, realize temporary power supply, bypass power supply's quick access function.

Description

Take PT looped netowrk cabinet of bypass quick interface

Technical Field

The utility model belongs to the technical field of the PT looped netowrk cabinet, concretely relates to take PT looped netowrk cabinet of quick interface of bypass.

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.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical problem who exists among the prior art, provide a take PT looped netowrk cabinet of bypass quick interface, solved and do not have reserve interval and looped netowrk cabinet or the switching land used nervous difficult problem.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

a PT ring main unit with a bypass 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 air pressure of the switch bin and an operating panel, wherein the PT ring main unit also comprises a quick connection bin; the quick connection bin consists of a bypass quick plug-pull connector, a protection outer panel and a protection inner panel; the bypass quick plug-pull joint is arranged on the front side of the cabinet body;

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 cabin consists of a busbar, a PT switch, a bypass branch bus and a PT loop branch bus; the extension connecting sleeve is electrically connected with the PT switch and the bypass branch switch through a busbar respectively; the PT switch passes through PT return circuit branch generating line and first european style connector electrical connection, and bypass branch switch passes through bypass branch generating line and bypass quick plug connects electrical connection.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, the PT switch is provided with a PT switch operating mechanism, and the bypass branch switch is provided with a bypass 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 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.

Furthermore, the operation panel is composed of a bypass branch line schematic diagram, a bypass branch line operation area, a PT loop schematic diagram and a PT switch operation area.

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 PT ring main unit can be in quick butt joint 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 bypass quick plug connects the front side that sets up at the cabinet body, and occupation space is little and do not influence the operation of cabinet combining, and the cabinet door in the storehouse is refuted to the quick connection has the interlocking function with switch operating device, satisfies "five prevent" requirement, and it is more convenient to operate, safer.

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, the operating device storehouse, 21, PT switch operating device, 22, bypass switch operating device, 3, the storehouse of plugging into fast, 31, the quick plug of bypass connects, 32, the protection outer panel, 33, the protection inner panel, 34, the bypass cable passes the hole, 35, interlocking protection device, 4, the PT storehouse, 41, voltage transformer, 42, first european style connector, 43, all-insulation connecting wire, 44, second european style connector, 5, the rings, 6, the extension adapter sleeve, 7, the switch storehouse, 71, female arranging, 72, the PT switch, 73, bypass branch switch, 74, bypass branch generating line, 75, PT return circuit branch generating line, 8, the pressure release storehouse, 81, the relief valve, 9, operating panel, 91, the bypass branch schematic diagram, 92, bypass branch operating region, 93, PT return circuit schematic diagram, 94, the PT switch operating region.

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 PT looped netowrk cabinet of quick interface of bypass, 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. 3, the actuator chamber 2 is composed of a PT switch actuator 21 and a bypass switch actuator 22.

As shown in fig. 1 and 4, the quick-connect bay 3 is comprised of a bypass quick-connect coupling 31, a protective outer panel 32 and a protective inner panel 33. 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 bypass quick plug connector 31 is arranged on the front side of the cabinet body 1, occupies a small space and does not influence the operation of cabinet combination. The protective inner panel 33 is provided with a bypass cable passing hole 34 and an interlock protection device 35. When the protection inner panel 33 is opened, the bypass switch operating mechanism 22 is locked and the closing operation is disabled. When the bypass branch switch 73 is 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 with the voltage transformer 41, and can supply power to the whole ring main unit system through the voltage transformer 41, and simultaneously perform voltage measurement monitoring.

As shown in fig. 1, the switch cabin 7 is composed of a busbar 71, a PT switch 72, a bypass branch switch 73, a bypass branch busbar 74 and a PT loop branch busbar 75; the PT switch 72 is provided with a PT switch operating mechanism 21, and the bypass branch switch 73 is provided with a bypass switch operating mechanism 22.

As shown in fig. 1, the extension connection sleeve 6 is electrically connected with a PT switch 72 and a bypass branch switch 73 through a busbar 71; the PT switch 72 is electrically connected to the first european connector 42 through a PT loop branch busbar 75, and the bypass branch switch 73 is electrically connected to the bypass quick plug connector 31 through a bypass branch busbar 74. Through bypass quick plug connector 31, make PT looped netowrk cabinet can get electricity, drainage with the quick butt joint of bypass quick access type cable, realizes temporary power supply, bypass power supply's quick access function.

On the basis of not changing the functions of the original PT cabinet, the inventor adds a branch control loop: the bypass quick plug connector consists of a bypass branch switch 73, a bypass quick plug connector 31 and other components. Among them, the installation position and the electrical design of the bypass quick plug connector 31 in the branch control loop are very important. If the bypass quick plug connector 31 is arranged on the rear side of the cabinet 1, the requirement on the space size of the rear side of the cabinet 1 is high, and if the bypass quick plug connector 31 is arranged on the side face of the cabinet 1, the cabinet combination operation can be influenced. The inventor is through the research, arranges bypass quick plug connector 31 in the front side of the cabinet body 1, and occupation space is little and do not influence the operation of cabinet combining to set up double-deck apron protection, the storehouse 3 of plugging into fast has set up the device with operating device interlocking, satisfies "five prevent" requirement. Therefore, the inventor designs and solves the problems of no standby interval and shortage of the area for the ring main unit or the switching station, and meanwhile, the bypass quick plug-pull joint 31 is adopted, so that the bypass operation is conveniently unfolded, and the bypass operation time is shortened.

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. And the PT ring main unit is connected with other ring main units in a cabinet combination manner or a bus through the expansion connecting sleeve 6.

As shown in fig. 1, the PT ring main unit further includes a plurality of load-bearing hoisting rings 5 for hoisting the carrying cabinet body 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 operation panel 9 is composed of a bypass line schematic 91, a bypass line operation area 92, a PT circuit schematic 93, and a PT switch operation area 94.

The mechanisms, assemblies and components of the present invention that are not described with respect to specific structures are conventional structures that exist in the prior art. 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 (7)

1. A PT ring main unit with a bypass 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 connection bin (3); the rapid connection bin (3) consists of a bypass rapid plug-in connector (31), a protective outer panel (32) and a protective inner panel (33); the bypass quick plug-pull joint (31) is arranged on the front side of the cabinet body (1);

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 PT switch (72), a bypass branch switch (73), a bypass branch busbar (74) and a PT loop branch busbar (75); the extension connecting sleeve (6) is respectively and electrically connected with the PT switch (72) and the bypass branch switch (73) through a busbar (71); the PT switch (72) is electrically connected with the first European connector (42) through a PT loop branch bus (75), and the bypass branch switch (73) is electrically connected with the bypass quick plug connector (31) through a bypass branch bus (74).

2. The PT ring main unit as claimed in claim 1, wherein the PT switch (72) is provided with a PT switch operating mechanism (21), and the bypass branch switch (73) is provided with a bypass switch operating mechanism (22).

3. The PT ring main unit as claimed in claim 2, wherein the protection inner panel (33) is provided with a bypass cable pass-through hole (34) and an interlock protection device (35).

4. The PT ring main unit as claimed in claim 1, wherein the extension connection sleeve (6) is an extension connection sleeve for ejecting cabinet or side-out cabinet or back-out cabinet.

5. The PT ring main unit according to claim 1, wherein the PT ring main unit further comprises a plurality of load-bearing lifting rings (5) for lifting the carrying main unit body (1).

6. The PT ring main unit as claimed in claim 1, wherein the pressure relief cabin (8) comprises a pressure relief valve (81) for controlling the air pressure of the switch cabin (7).

7. The PT ring main unit as claimed in claim 1, wherein the operation panel (9) is composed of a bypass branch line schematic diagram (91), a bypass branch line operation area (92), a PT loop schematic diagram (93) and a PT switch operation area (94).

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