CN214204282U - PT centrally installed switchgear with bypass quick connector - Google Patents

Abstract

The utility model discloses a PT centrally installed cabinet with a bypass quick connector, which discloses a PT centrally installed cabinet with a bypass quick connector, the utility model is provided with a bus chamber, a PT chamber and a breaker chamber in the cabinet body, PT handcarts are respectively arranged in the PT chambers, necessary parts of the centrally-mounted cabinet are arranged in the cabinet body in a trolley mode, the basic function of the PT cabinet is ensured, meanwhile, the front vacant reserved cabinet is set as a breaker chamber and a cable chamber, a bypass branch bus is added, the breaker handcart is arranged in the short circuiter chamber, the quick socket is arranged in the cable chamber to provide a power socket for equipment for roadside operation, the quick socket can be quickly connected with a bypass cable terminal to realize quick electricity taking and current guiding with a power generation vehicle, a ring main unit, an overhead conductor and the like, the expansion of the convenient bypass operation has shortened the bypass operation time for put the cabinet space in obtaining abundant utilization.

Description

PT centrally installed switchgear with bypass quick connector

Technical Field

The utility model relates to an in put the cabinet field, concretely relates to put cabinet in PT of taking bypass quick connector.

Background

The centrally installed switchgear is common equipment in an electric power system, one of the functions of the centrally installed switchgear is that the power is not cut off or the power cut time is reduced in the process of maintaining and overhauling the operation and equipment of a transformer substation, the principle that the energy band is not cut off is advocated to follow in the distribution network overhauling operation at present, but in the prior art, all parts in the centrally installed switchgear are fixedly arranged, the operation is inconvenient in emergency repair, a spare cabinet is generally reserved in the switching station of the centrally installed switchgear in the prior art, and when a certain line breaks down and needs to be overhauled, the spare cabinet is used for supplying power to loads under the line; but reserve the reserve tank and can occupy certain space, the space resource in city is nervous day by day, and the reserve tank has occupation space and economic nature problem, puts the cabinet in a lot and does not reserve the stand-by cell in addition, even there is the stand-by cell, also is the traditional joint of configuration, can't realize the high-speed joint with medium voltage power generation car etc. and be unfavorable for going on of the operation that does not have a power failure of bypass.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to put among the prior art and put cabinet bypass and not have the power failure and overhaul the quick connection problem such as during the operation unable and medium voltage generator car, the utility model provides a take quick connector's of bypass PT to put cabinet in.

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

the utility model provides a put cabinet in PT of taking bypass quick connector, put cabinet including the cabinet body in the PT, the internal:

the bus chamber is internally provided with a main bus, the input end of the main bus is externally connected with a power supply, and the output end of the main bus is connected with a PT branch bus and a bypass branch bus;

the PT chamber is internally provided with a PT handcart which can be pushed out from one side of the cabinet body, the free end of the PT branch bus is connected with a first fixed contact, the PT handcart is provided with a first plug, and the PT handcart and the PT branch bus are electrically connected with the first plug through the first fixed contact;

the circuit breaker chamber is internally provided with a circuit breaker handcart which can be pushed out from one side of the cabinet body, one end of the bypass branch bus is provided with a second fixed contact, the circuit breaker handcart is provided with a second plug, and the circuit breaker handcart and the bypass branch bus are electrically connected with the second plug through the second fixed contact;

the cable chamber is positioned right below the bus chamber, a contact device is arranged in the cable chamber, the contact device is connected with the second fixed contact through a wire, and a quick plug-in port is also arranged in the cable chamber and is connected with the contact device through a wire;

the cabinet body is also internally provided with an instrument room, and one side of the cabinet body is provided with an operation panel.

Furthermore, a branch connection chamber is further arranged in the cable chamber, the quick plug is arranged in the branch connection chamber, the branch connection chamber is fixed on the inner wall of the cabinet body, an interlocking panel is arranged on one side of the branch connection chamber, and a cable penetrating hole is formed in the interlocking panel.

Furthermore, the number of the quick-plugging ports is three, and the cable penetrating holes are matched with the quick-plugging ports in position and quantity.

Furthermore, a current transformer is arranged between the quick-plugging interface and the contact device.

Further, the contact device is also connected with a lightning arrester.

Furthermore, the contact device is also connected with a knife switch.

Further, the operation panel includes an electric operation panel, a PT panel, and a bypass branch panel.

Has the advantages that: the utility model discloses a put cabinet in PT of taking bypass quick connector, the utility model discloses set up the bus-bar room in the cabinet body, the PT room, the circuit breaker room, set up the PT handcart in the PT room respectively, the necessary part setting that will put the cabinet in the form of shallow is internal at the cabinet, ensure the basic function of PT cabinet, reserve the cabinet with the front vacancy simultaneously and establish to circuit breaker room and cable chamber, increase a bypass branch generating line, set up the circuit breaker handcart in the short circuiter room, set up quick interface at the cable chamber, the equipment for the roadside operation provides the power interface, quick interface can with bypass cable termination quick connection, realize and the generator wagon, the looped netowrk cabinet, the drainage is got fast in realization such as air wire, in order to make things convenient for the expansion of bypass operation, bypass operating time has been shortened, make the cabinet space put and obtain abundant utilization.

Drawings

Fig. 1 is a schematic view of an internal structure of a PT centrally installed switchgear with a bypass quick connector according to the present invention;

fig. 2 is a schematic diagram of a control panel structure of a PT centrally installed switchgear with a bypass quick connector according to the present invention;

fig. 3 is a schematic structural diagram of a PT mid-cabinet interlocking panel with a bypass quick connector.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a cabinet body; 2. a bus chamber; 3. a main bus; 4. a PT branch bus; 5. a bypass branch bus; 6. a PT chamber; 7. PT handcart; 8. a first fixed contact; 9. a first plug; 10. a circuit breaker chamber; 11. a circuit breaker handcart; 12. a second fixed contact; 13. a second plug; 14. a cable chamber; 15. a contact arrangement; 16. a quick-connect interface; 17. an instrument room; 18. an operation panel; 19. A branch line connection chamber; 20. interlocking panels; 21. a cable penetration hole; 22. a lightning arrester; 23. a disconnecting link; 24. an electrical operation panel; 25. a PT panel; 26. a bypass branch panel; 27. a current transformer.

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.

Referring to fig. 1 and 3, the utility model relates to a put cabinet in PT of taking bypass quick connector, put the cabinet and include the cabinet body of metal in, be provided with bus-bar room 2, PT room 6, circuit breaker room 10 and cable chamber 14 in the cabinet body 1, be provided with main bus 3 in the bus-bar room 2, main bus 3 input end external power supply, main bus 3 output end is connected with PT branch generating line 4 and bypass branch generating line 5; a PT handcart 7 which can be pushed out from one side of the cabinet body 1 is arranged in the PT chamber 6, the free end of the PT branch bus 4 is connected with a first fixed contact 8, a first plug 9 is arranged on the PT handcart 7, the PT handcart 7 and the PT branch bus 4 are electrically connected with the first plug 9 through the first fixed contact 8, and the PT handcart is a slidable trolley and is provided with a voltage transformer for transforming the voltage on a circuit;

a circuit breaker handcart 11 which can be pushed out from one side of the cabinet body 1 is arranged in the circuit breaker chamber 10, and the circuit breaker handcart 11 is a movable circuit breaker serving as a switch for bearing and breaking current under the condition of an abnormal loop in a specified time; the device is not fixed inside the cabinet body 1, but is movably arranged in a trolley mode, so that the internal space of the cabinet body 1 can be quickly emptied for maintenance when a fault occurs, a second fixed contact 12 is arranged at one end of a bypass branch bus 5, a second plug 13 is arranged on a circuit breaker handcart 11, the circuit breaker handcart 11 and the bypass branch bus 5 are electrically connected with the second plug 13 through the second fixed contact 12, a cable chamber 14 is positioned right below a bus chamber 2, a contact device 15 is arranged in the cable chamber 14, the contact device 15 is connected with the second fixed contact 12 through a lead, a quick plug-in port 16 is further arranged in the cable chamber 14, and the quick plug-in port 16 is connected with the contact device 15 through a lead; the fast socket 16 is used for setting an external power socket, so that the highway operation equipment can provide electric energy when needing to use a power supply, and it needs to be explained that a current transformer 27 is also arranged between the fast socket 16 and the contact device, and current real-time operation data of the bypass branch bus 5 can be carried out through the current transformer 27; further, in order to increase the five-prevention effect of the centrally installed switchgear, the contact device 15 is further connected with a lightning arrester 22 and a disconnecting link 23;

referring to fig. 2, in the present embodiment, an instrument room 17 is further disposed in the cabinet body 1, a plurality of instruments are disposed in the instrument room 17 to monitor various data of the central cabinet, an operation panel 18 is disposed on one side of the cabinet body 1, and the operation panel 18 includes an electrical operation panel 24, a PT panel 25, and a bypass branch panel 26.

Further, in this embodiment, a branch connection chamber 19 is further disposed in the cable chamber 14, the fast plug 16 is disposed in the branch connection chamber 19, so that an independent space is provided for the fast plug 16, the branch connection chamber 19 is fixed on the inner wall of the cabinet body 1, an interlocking panel 20 is disposed on one side of the branch connection chamber 19, where the interlocking panel 20 is an openable cover plate of the branch connection chamber 19, and a cable insertion hole 21 is formed in the interlocking panel 20; three quick-plugging ports 16 are arranged, and the cable penetrating holes 21 are matched with the quick-plugging ports 16 in position and number and correspond to the quick-plugging ports 16 one by one.

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. The utility model provides a put cabinet in PT of taking bypass quick connector, put cabinet including the cabinet body in the PT, its characterized in that, be provided with in the cabinet body (1):

the bus-bar chamber (2), a main bus-bar (3) is arranged in the bus-bar chamber (2), the input end of the main bus-bar (3) is externally connected with a power supply, and the output end of the main bus-bar (3) is connected with a PT branch bus-bar (4) and a bypass branch bus-bar (5);

the PT cabinet comprises a PT chamber (6), a PT handcart (7) which can be pushed out from one side of the cabinet body (1) is arranged in the PT chamber (6), a first fixed contact (8) is connected with the free end of the PT branch bus (4), a first plug (9) is arranged on the PT handcart (7), and the PT handcart (7) and the PT branch bus (4) are electrically connected with the first plug (9) through the first fixed contact (8);

the circuit breaker comprises a circuit breaker chamber (10), wherein a circuit breaker handcart (11) capable of being pushed out from one side of the cabinet body (1) is arranged in the circuit breaker chamber (10), a second fixed contact (12) is arranged at one end of the bypass branch bus (5), a second plug (13) is arranged on the circuit breaker handcart (11), and the circuit breaker handcart (11) and the bypass branch bus (5) are electrically connected with the second plug (13) through the second fixed contact (12);

the cable chamber (14), the cable chamber (14) is located right below the bus chamber (2), a contact device (15) is arranged in the cable chamber (14), the contact device (15) is connected with the second fixed contact (12) through a lead, a quick plug interface (16) is further arranged in the cable chamber (14), and the quick plug interface (16) is connected with the contact device (15) through a lead;

the multifunctional cabinet is characterized in that an instrument room (17) is further arranged in the cabinet body (1), and an operation panel (18) is arranged on one side of the cabinet body (1).

2. The PT centrally installed switchgear with the bypass quick connection port according to claim 1, wherein a branch connection chamber (19) is further disposed in the cable chamber (14), the quick connection port (16) is disposed in the branch connection chamber (19), the branch connection chamber (19) is fixed to an inner wall of the cabinet body (1), an interlocking panel (20) is disposed on one side of the branch connection chamber (19), and a cable insertion hole (21) is formed in the interlocking panel (20).

3. The PT centrally installed switchgear with the bypass quick connection port according to claim 2, wherein there are three quick connection ports (16), and the cable insertion holes (21) are matched with the quick connection ports (16) in position and number.

4. The PT centrally installed switchgear with the bypass quick connection port according to claim 1, wherein a current transformer (27) is further disposed between the quick connection port (16) and the contact device.

5. The PT centrally installed switchgear with the bypass quick connection port according to claim 1, characterized in that a lightning arrester (22) is further connected to the contact device (15).

6. The PT centrally installed switchgear with the bypass quick connection port according to claim 1, wherein the contact device (15) is further connected with a disconnecting link (23).

7. The PT centrally installed switchgear with the bypass quick connection port according to claim 1, wherein the operation panel (18) includes an electrical operation panel (24), a PT panel (25) and a bypass branch panel (26).

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