Environment-friendly ring main unit gas tank with node switches

Abstract

The utility model provides an environment-friendly ring main unit gas tank with a node switch, comprising a gas tank, the upper side of the gas tank is provided with a wire inlet sleeve, the front side of the gas tank is provided with a PT unit operation mechanism, a node unit isolation mechanism and a node unit isolation switch mechanism, the gas tank is internally provided with an isolation switch, and the node unit isolation switch mechanism is connected with the isolation switch. One side of the disconnecting switch is connected with a PT lower branch copper bar, the lower end of the PT lower branch copper bar is connected with a PT unit outgoing line sleeve, the other side of the disconnecting switch is provided with a circuit breaker, the disconnecting switch is connected with the other side of the circuit breaker through a main bus copper bar, the lower portion of the circuit breaker is connected with a node lower branch copper bar, and the node lower branch copper bar is connected with a power supply. According to the utility model, the width size of the whole air box can be reduced, the occupied area is reduced, and meanwhile, because the node switch unit and the power taking socket are integrated, when a line is in emergency power failure, an external switch can be conveniently connected with the power taking unit through a cable and the power taking socket, and operations such as power taking and power transmission can be realized.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of environmental protection ring main unit gas tank, especially relates to an environmental protection ring main unit gas tank with node switch. BACKGROUND

[0002] The ring main unit is responsible for distributing and transmitting electric energy in the power system, ensures the stable operation of the power grid, and the environmental protection gas ring main unit can reduce the influence of greenhouse gases on the atmosphere, can reduce the pollution of waste solid epoxy resin to the environment, the ring main unit gas tank is used for carrying gaseous insulation medium, improves the safety and reliability of equipment, is specially used for carrying the container of gaseous insulation medium, and gaseous insulation medium can effectively isolate high-voltage electric field, prevent electrical breakdown and arc generation, thereby improving the safety and reliability of equipment, so that the ring main unit can operate under more severe environmental conditions, and stable performance can be maintained, but the existing environmental protection ring main unit gas tank is usually node switch-free scheme, when the line is powered off, there is no power taking socket, leading to difficult power taking and power transmission.

[0003] Therefore, in view of the above-mentioned scheme in actual production and implementation, the deficiencies are corrected, improved, and the spirit and concept of seeking good are followed, and the professional knowledge, experience, and multiple ideas and tests are used to create the utility model, provide an environmental protection ring main unit gas tank with node switch, to solve the problem. UTILITY MODEL CONTENT

[0004] The utility model provides an environmental protection ring main unit gas tank with node switch, solve the problem that the existing technology ring main unit gas tank is usually node switch-free scheme, when the line is powered off, there is no power taking socket, leading to difficult power taking and power transmission.

[0005] The technical scheme of the utility model is realized as follows: an environmental protection ring main unit gas tank with node switch, comprising: a gas tank, the upper side of the gas tank is provided with an incoming line sleeve, the front side of the gas tank is provided with a PT unit operating mechanism, a node unit isolation mechanism and a node unit disconnecting mechanism, the inside of the gas tank is provided with a disconnecting switch, one side of the disconnecting switch is connected with a PT lower branch copper bar, the lower end of the PT lower branch copper bar is connected with a PT unit outgoing line sleeve, the other side of the disconnecting switch is provided with a circuit breaker, the disconnecting switch is connected with the other side of the circuit breaker through a main bus copper bar, the lower part of the circuit breaker is connected with a node lower branch copper bar, the other end of the node lower branch copper bar is connected with a node unit outgoing line sleeve.

[0006] As a preferred embodiment, the lower end of the incoming line sleeve is connected with the disconnecting switch through the main bus copper bar, and the main bus copper bar is used to adjust the disconnecting switch.

[0007] As a preferred embodiment, the lower side of the node unit isolation mechanism is connected with the node unit disconnector mechanism through a locking plate, and the locking plate can control the closing and opening locking operation of the mechanism.

[0008] As a preferred embodiment, the lower part of the node unit disconnector mechanism and the PT unit operating mechanism is installed with an operating locking rod to interlock with the cable chamber cabinet door, which can improve the safety of the node unit disconnector mechanism and the PT unit operating mechanism.

[0009] As a preferred embodiment, the disconnector is connected with the PT unit operating mechanism through a shaft seal, so as to connect the disconnector and the operating mechanism.

[0010] After the above technical scheme is adopted, the beneficial effects of the utility model are as follows: the PT unit operating mechanism and the node unit isolation mechanism can control the working state of the disconnector, the safety of the equipment can be ensured, the node unit circuit breaker can be adjusted and maintained through the main bus copper bar, the node switch unit and the PT unit are integrated in one air tank, the overall air tank width size can be reduced, the occupied area is reduced, and when the line is urgently powered off, the external switch can be connected with the power taking unit through the cable and the power taking socket, power taking and power transmission operations can be realized. BRIEF DESCRIPTION OF DRAWINGS

[0011] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creative labor.

[0012] Figure 1 It is a front view structural schematic diagram of the present application;

[0013] Figure 2 It is a left view structural schematic diagram of the present application;

[0014] Figure 3 It is a top view structural schematic diagram of the present application;

[0015] Figure 4 It is an A-A sectional view structural schematic diagram of the present application;

[0016] In the diagram, 1-Gas box; 2-Incoming bushing; 3-PT unit operating mechanism; 4-Node unit isolation mechanism; 5-Node unit disconnecting switch mechanism; 6-Main busbar copper busbar; 7-Node unit outgoing bushing; 8-PT unit outgoing bushing; 9-Node lower branch copper rod; 10-PT lower branch copper rod; 11-Circuit breaker; 12-Disconnecting switch. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] like Figures 1-4 As shown, an environmentally friendly ring main unit gas box with a node switch includes: a gas box 1, with an inlet bushing 2 on the upper side of the gas box 1, which provides insulation and protection for electrical equipment. A PT unit operating mechanism 3, a node unit isolation mechanism 4, and a node unit disconnect switch mechanism 5 are installed on the front side of the gas box 1. The PT unit operating mechanism 3 and the node unit isolation mechanism 4 control the working state of the disconnect switch 12, and the node unit disconnect switch mechanism 5 performs the closing and opening operations of the node circuit breaker. The disconnect switch 12 is located inside the gas box 1, which enables the closing and opening operations of the PT unit circuit. A PT lower branch copper rod 10 is connected to one side of the disconnect switch 12, facilitating the connection of electrical components. The components are connected, and the lower end of the PT lower branch copper rod 10 is connected to the PT unit outlet bushing 8. The PT unit outlet bushing 8 can be used to connect to the voltage transformer. The other side of the disconnect switch 12 is equipped with a circuit breaker 11. The circuit breaker 11 can be used to protect and control the electrical equipment, and at the same time ensure the reliable operation of the electrical equipment. The disconnect switch 12 is connected to the other side of the circuit breaker 11 through the main bus copper bus 6, which makes it easy to install the main bus copper bus 6 on the upper part of the disconnect switch 12 and the circuit breaker 11. The lower part of the circuit breaker 11 is connected to the node lower branch copper rod 9. The other end of the node lower branch copper rod 9 is connected to the node unit outlet bushing 7. The node unit outlet bushing 7 can be used to realize the strip conductor for current transmission, realizing the transmission and distribution of current.

[0019] Furthermore, the lower end of the incoming bushing 2 is connected to the disconnector 12 via the main busbar copper bus 6, which facilitates the adjustment of the disconnector 12.

[0020] Further, the lower side of the node unit isolation mechanism 4 is connected with the node unit disconnecting switch mechanism 5 through a locking plate, and the locking plate can control the closing and opening locking operation of the mechanism.

[0021] Further, the node unit disconnecting switch mechanism 5 and the lower part of the PT unit operating mechanism 3 are provided with an operating locking rod and a cable chamber door interlocking, which can improve the safety of the node unit disconnecting switch mechanism 5 and the PT unit operating mechanism 3.

[0022] Further, the disconnecting switch 12 is connected with the PT unit operating mechanism 3 through a shaft seal, so that the disconnecting switch 12 and the operating mechanism are connected.

[0023] The utility model discloses a principle, utilize the air tank 1 can provide the insulation and protection of electrical equipment, can improve the safety of environmental protection looped network cabinet air tank in the use process, through the incoming line sleeve 2 can provide electrical insulation and resist environmental influence, utilize the PT unit operating mechanism 3 can control the working condition of disconnecting switch 12, utilize the lower part of node unit isolation mechanism 4 and node unit disconnecting switch mechanism 5 can control the working condition of circuit breaker 11, and guarantee the safety of equipment, and the lower part of node unit isolation mechanism 4 and node unit disconnecting switch mechanism 5 are connected, can improve the safety of node unit isolation mechanism 4 and node unit disconnecting switch mechanism 5, utilize node unit disconnecting switch mechanism 5 can realize node circuit breaker closing and opening operation, through main bus copper bar 6 is convenient for adjusting and maintaining node unit disconnecting switch mechanism 5, through operating connecting rod can control the state of node unit disconnecting switch mechanism 5 and PT unit operating mechanism 3, through PT lower branch copper bar 10 is convenient for making electrical components connect, utilize the connecting plate can fix the end of PT lower branch copper bar 10, utilize node unit incoming line sleeve 7 can realize transmission current, circuit breaker 11 is connected with PT unit incoming line sleeve 8 through node lower branch copper bar 9, utilize circuit breaker 11 can realize the closing and opening operation of node unit, guarantee the reliable operation of electrical equipment simultaneously, through PT unit incoming line sleeve 8 can realize and voltage transformer connection.

[0024] In the description of the utility model, need understanding is, the orientation or position relation that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and is not indicating or implying that the device or element referred to must have a particular orientation, is constructed and operated in a particular orientation, therefore can not be understood as a restriction on the utility model. In the description of the utility model, unless otherwise specified and limited, it is necessary to explain that the terms "mounting", "connection", "connection" should be understood broadly, for example, can be mechanical connection or electrical connection, can also be the communication of two elements inside, can be directly connected, can also be indirectly connected through intermediate medium, for the ordinary skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0025] The above is only the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An environmentally friendly ring main unit gas tank with node switches, comprising: The gas tank (1) is characterized in that the upper side of the gas tank (1) is provided with an incoming line sleeve (2), the front side of the gas tank (1) is provided with a PT unit operating mechanism (3), a node unit isolation mechanism (4) and a node unit isolation switch mechanism (5), the inside of the gas tank (1) is provided with an isolation switch (12), one side of the isolation switch (12) is connected with a PT lower branch copper bar (10), the lower end of the PT lower branch copper bar (10) is connected with a PT unit outgoing line sleeve (8), the other side of the isolation switch (12) is provided with a circuit breaker (11), the isolation switch (12) is connected with the other side of the circuit breaker (11) through a main bus copper bar (6), the lower part of the circuit breaker (11) is connected with a node lower branch copper bar (9), the other end of the node lower branch copper bar (9) is connected with a node unit outgoing line sleeve (7).

2. The environmentally-friendly ring main unit gas tank with node switches according to claim 1, characterized in that, The lower end of the incoming line sleeve (2) is connected with the isolation switch (12) through the main bus copper bar (6).

3. The environmentally-friendly ring main unit gas tank with node switches according to claim 1, characterized in that, The lower side of the node unit isolation mechanism (4) is connected with the node unit isolation switch mechanism (5) through a chain plate.

4. The environmentally-friendly ring main unit gas tank with node switches according to claim 1, characterized in that, The lower part of the node unit isolation switch mechanism (5) and the PT unit operating mechanism (3) is provided with an operating chain rod which is interlocked with a cable chamber cabinet door.

5. The environmentally-friendly ring main unit gas tank with node switches according to claim 2, characterized in that, The isolation switch (12) is connected with the PT unit operating mechanism (3) through a shaft seal.

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